Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.hpp @ 18104:eaf39a954227
Merge with jdk8u25-b17
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Thu, 16 Oct 2014 11:57:39 +0200 |
| parents | 52b4284cb496 ca6d25be853b |
| children | f8147c931ce4 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_RUNTIME_GLOBALS_HPP |
| 26 #define SHARE_VM_RUNTIME_GLOBALS_HPP | |
| 27 | |
| 28 #include "utilities/debug.hpp" | |
| 4868 | 29 |
| 30 // use this for flags that are true per default in the tiered build | |
| 31 // but false in non-tiered builds, and vice versa | |
| 32 #ifdef TIERED | |
| 33 #define trueInTiered true | |
| 34 #define falseInTiered false | |
| 35 #else | |
| 36 #define trueInTiered false | |
| 37 #define falseInTiered true | |
| 38 #endif | |
| 39 | |
| 1972 | 40 #ifdef TARGET_ARCH_x86 |
| 41 # include "globals_x86.hpp" | |
| 42 #endif | |
| 43 #ifdef TARGET_ARCH_sparc | |
| 44 # include "globals_sparc.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_ARCH_zero | |
| 47 # include "globals_zero.hpp" | |
| 48 #endif | |
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49 #ifdef TARGET_ARCH_arm |
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50 # include "globals_arm.hpp" |
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51 #endif |
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52 #ifdef TARGET_ARCH_ppc |
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53 # include "globals_ppc.hpp" |
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54 #endif |
| 1972 | 55 #ifdef TARGET_OS_FAMILY_linux |
| 56 # include "globals_linux.hpp" | |
| 57 #endif | |
| 58 #ifdef TARGET_OS_FAMILY_solaris | |
| 59 # include "globals_solaris.hpp" | |
| 60 #endif | |
| 61 #ifdef TARGET_OS_FAMILY_windows | |
| 62 # include "globals_windows.hpp" | |
| 63 #endif | |
| 14411 | 64 #ifdef TARGET_OS_FAMILY_aix |
| 65 # include "globals_aix.hpp" | |
| 66 #endif | |
| 3960 | 67 #ifdef TARGET_OS_FAMILY_bsd |
| 68 # include "globals_bsd.hpp" | |
| 69 #endif | |
| 1972 | 70 #ifdef TARGET_OS_ARCH_linux_x86 |
| 71 # include "globals_linux_x86.hpp" | |
| 72 #endif | |
| 73 #ifdef TARGET_OS_ARCH_linux_sparc | |
| 74 # include "globals_linux_sparc.hpp" | |
| 75 #endif | |
| 76 #ifdef TARGET_OS_ARCH_linux_zero | |
| 77 # include "globals_linux_zero.hpp" | |
| 78 #endif | |
| 79 #ifdef TARGET_OS_ARCH_solaris_x86 | |
| 80 # include "globals_solaris_x86.hpp" | |
| 81 #endif | |
| 82 #ifdef TARGET_OS_ARCH_solaris_sparc | |
| 83 # include "globals_solaris_sparc.hpp" | |
| 84 #endif | |
| 85 #ifdef TARGET_OS_ARCH_windows_x86 | |
| 86 # include "globals_windows_x86.hpp" | |
| 87 #endif | |
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88 #ifdef TARGET_OS_ARCH_linux_arm |
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89 # include "globals_linux_arm.hpp" |
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90 #endif |
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91 #ifdef TARGET_OS_ARCH_linux_ppc |
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92 # include "globals_linux_ppc.hpp" |
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93 #endif |
| 14411 | 94 #ifdef TARGET_OS_ARCH_aix_ppc |
| 95 # include "globals_aix_ppc.hpp" | |
| 96 #endif | |
| 3960 | 97 #ifdef TARGET_OS_ARCH_bsd_x86 |
| 98 # include "globals_bsd_x86.hpp" | |
| 99 #endif | |
| 100 #ifdef TARGET_OS_ARCH_bsd_zero | |
| 101 # include "globals_bsd_zero.hpp" | |
| 102 #endif | |
| 1972 | 103 #ifdef COMPILER1 |
| 104 #ifdef TARGET_ARCH_x86 | |
| 105 # include "c1_globals_x86.hpp" | |
| 106 #endif | |
| 107 #ifdef TARGET_ARCH_sparc | |
| 108 # include "c1_globals_sparc.hpp" | |
| 109 #endif | |
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110 #ifdef TARGET_ARCH_arm |
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111 # include "c1_globals_arm.hpp" |
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112 #endif |
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113 #ifdef TARGET_ARCH_ppc |
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114 # include "c1_globals_ppc.hpp" |
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115 #endif |
| 1972 | 116 #ifdef TARGET_OS_FAMILY_linux |
| 117 # include "c1_globals_linux.hpp" | |
| 118 #endif | |
| 119 #ifdef TARGET_OS_FAMILY_solaris | |
| 120 # include "c1_globals_solaris.hpp" | |
| 121 #endif | |
| 122 #ifdef TARGET_OS_FAMILY_windows | |
| 123 # include "c1_globals_windows.hpp" | |
| 124 #endif | |
| 14411 | 125 #ifdef TARGET_OS_FAMILY_aix |
| 126 # include "c1_globals_aix.hpp" | |
| 127 #endif | |
| 3960 | 128 #ifdef TARGET_OS_FAMILY_bsd |
| 129 # include "c1_globals_bsd.hpp" | |
| 130 #endif | |
| 1972 | 131 #endif |
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132 #ifdef COMPILERGRAAL |
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133 #ifdef TARGET_ARCH_x86 |
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134 # include "graalGlobals_x86.hpp" |
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135 #endif |
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136 #ifdef TARGET_ARCH_sparc |
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137 # include "graalGlobals_sparc.hpp" |
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138 #endif |
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139 #ifdef TARGET_ARCH_arm |
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140 # include "graalGlobals_arm.hpp" |
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141 #endif |
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142 #ifdef TARGET_ARCH_ppc |
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143 # include "graalGlobals_ppc.hpp" |
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144 #endif |
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145 #endif // COMPILERGRAAL |
| 1972 | 146 #ifdef COMPILER2 |
| 147 #ifdef TARGET_ARCH_x86 | |
| 148 # include "c2_globals_x86.hpp" | |
| 149 #endif | |
| 150 #ifdef TARGET_ARCH_sparc | |
| 151 # include "c2_globals_sparc.hpp" | |
| 152 #endif | |
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153 #ifdef TARGET_ARCH_arm |
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154 # include "c2_globals_arm.hpp" |
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155 #endif |
| 14411 | 156 #ifdef TARGET_ARCH_ppc |
| 157 # include "c2_globals_ppc.hpp" | |
| 158 #endif | |
| 1972 | 159 #ifdef TARGET_OS_FAMILY_linux |
| 160 # include "c2_globals_linux.hpp" | |
| 161 #endif | |
| 162 #ifdef TARGET_OS_FAMILY_solaris | |
| 163 # include "c2_globals_solaris.hpp" | |
| 164 #endif | |
| 165 #ifdef TARGET_OS_FAMILY_windows | |
| 166 # include "c2_globals_windows.hpp" | |
| 167 #endif | |
| 14411 | 168 #ifdef TARGET_OS_FAMILY_aix |
| 169 # include "c2_globals_aix.hpp" | |
| 170 #endif | |
| 3960 | 171 #ifdef TARGET_OS_FAMILY_bsd |
| 172 # include "c2_globals_bsd.hpp" | |
| 173 #endif | |
| 1972 | 174 #endif |
| 175 #ifdef SHARK | |
| 176 #ifdef TARGET_ARCH_zero | |
| 177 # include "shark_globals_zero.hpp" | |
| 178 #endif | |
| 179 #endif | |
| 180 | |
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181 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) && !defined(COMPILERGRAAL) |
| 0 | 182 define_pd_global(bool, BackgroundCompilation, false); |
| 183 define_pd_global(bool, UseTLAB, false); | |
| 184 define_pd_global(bool, CICompileOSR, false); | |
| 185 define_pd_global(bool, UseTypeProfile, false); | |
| 186 define_pd_global(bool, UseOnStackReplacement, false); | |
| 187 define_pd_global(bool, InlineIntrinsics, false); | |
| 188 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
| 189 define_pd_global(bool, ProfileInterpreter, false); | |
| 190 define_pd_global(bool, ProfileTraps, false); | |
| 191 define_pd_global(bool, TieredCompilation, false); | |
| 192 | |
| 193 define_pd_global(intx, CompileThreshold, 0); | |
| 194 define_pd_global(intx, BackEdgeThreshold, 0); | |
| 195 | |
| 196 define_pd_global(intx, OnStackReplacePercentage, 0); | |
| 197 define_pd_global(bool, ResizeTLAB, false); | |
| 198 define_pd_global(intx, FreqInlineSize, 0); | |
| 199 define_pd_global(intx, NewSizeThreadIncrease, 4*K); | |
| 200 define_pd_global(intx, InlineClassNatives, true); | |
| 201 define_pd_global(intx, InlineUnsafeOps, true); | |
| 202 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
| 203 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
| 204 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
| 205 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
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206 define_pd_global(intx, CodeCacheMinimumUseSpace, 200*K); |
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207 define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(4*M)); |
| 0 | 208 define_pd_global(bool, NeverActAsServerClassMachine, true); |
| 1064 | 209 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
| 0 | 210 #define CI_COMPILER_COUNT 0 |
| 211 #else | |
| 212 | |
| 213 #ifdef COMPILER2 | |
| 214 #define CI_COMPILER_COUNT 2 | |
| 215 #else | |
| 216 #define CI_COMPILER_COUNT 1 | |
| 217 #endif // COMPILER2 | |
| 218 | |
| 219 #endif // no compilers | |
| 220 | |
| 221 // string type aliases used only in this file | |
| 222 typedef const char* ccstr; | |
| 223 typedef const char* ccstrlist; // represents string arguments which accumulate | |
| 224 | |
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225 struct Flag { |
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226 enum Flags { |
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227 // value origin |
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228 DEFAULT = 0, |
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229 COMMAND_LINE = 1, |
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230 ENVIRON_VAR = 2, |
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231 CONFIG_FILE = 3, |
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232 MANAGEMENT = 4, |
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233 ERGONOMIC = 5, |
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234 ATTACH_ON_DEMAND = 6, |
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235 INTERNAL = 7, |
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236 |
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237 LAST_VALUE_ORIGIN = INTERNAL, |
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238 VALUE_ORIGIN_BITS = 4, |
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239 VALUE_ORIGIN_MASK = right_n_bits(VALUE_ORIGIN_BITS), |
| 0 | 240 |
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241 // flag kind |
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242 KIND_PRODUCT = 1 << 4, |
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243 KIND_MANAGEABLE = 1 << 5, |
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244 KIND_DIAGNOSTIC = 1 << 6, |
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245 KIND_EXPERIMENTAL = 1 << 7, |
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246 KIND_NOT_PRODUCT = 1 << 8, |
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247 KIND_DEVELOP = 1 << 9, |
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248 KIND_PLATFORM_DEPENDENT = 1 << 10, |
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249 KIND_READ_WRITE = 1 << 11, |
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250 KIND_C1 = 1 << 12, |
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251 KIND_C2 = 1 << 13, |
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252 KIND_ARCH = 1 << 14, |
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253 KIND_SHARK = 1 << 15, |
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254 KIND_LP64_PRODUCT = 1 << 16, |
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255 KIND_COMMERCIAL = 1 << 17, |
| 12355 | 256 KIND_GRAAL = 1 << 18, |
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257 |
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258 KIND_MASK = ~VALUE_ORIGIN_MASK |
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259 }; |
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260 |
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261 const char* _type; |
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262 const char* _name; |
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263 void* _addr; |
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264 NOT_PRODUCT(const char* _doc;) |
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265 Flags _flags; |
| 0 | 266 |
| 267 // points to all Flags static array | |
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268 static Flag* flags; |
| 0 | 269 |
| 270 // number of flags | |
| 271 static size_t numFlags; | |
| 272 | |
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273 static Flag* find_flag(const char* name, size_t length, bool allow_locked = false, bool return_flag = false); |
| 11070 | 274 static Flag* fuzzy_match(const char* name, size_t length, bool allow_locked = false); |
| 0 | 275 |
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276 void check_writable(); |
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277 |
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278 bool is_bool() const; |
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279 bool get_bool() const; |
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280 void set_bool(bool value); |
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281 |
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282 bool is_intx() const; |
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283 intx get_intx() const; |
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284 void set_intx(intx value); |
| 0 | 285 |
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286 bool is_uintx() const; |
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287 uintx get_uintx() const; |
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288 void set_uintx(uintx value); |
| 0 | 289 |
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290 bool is_uint64_t() const; |
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291 uint64_t get_uint64_t() const; |
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292 void set_uint64_t(uint64_t value); |
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293 |
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294 bool is_double() const; |
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295 double get_double() const; |
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296 void set_double(double value); |
| 0 | 297 |
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298 bool is_ccstr() const; |
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299 bool ccstr_accumulates() const; |
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300 ccstr get_ccstr() const; |
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301 void set_ccstr(ccstr value); |
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302 |
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303 Flags get_origin(); |
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304 void set_origin(Flags origin); |
| 1064 | 305 |
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306 bool is_default(); |
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307 bool is_ergonomic(); |
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308 bool is_command_line(); |
| 0 | 309 |
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310 bool is_product() const; |
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311 bool is_manageable() const; |
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312 bool is_diagnostic() const; |
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313 bool is_experimental() const; |
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314 bool is_notproduct() const; |
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315 bool is_develop() const; |
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316 bool is_read_write() const; |
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317 bool is_commercial() const; |
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318 |
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319 bool is_constant_in_binary() const; |
| 0 | 320 |
| 321 bool is_unlocker() const; | |
| 322 bool is_unlocked() const; | |
| 323 bool is_writeable() const; | |
| 324 bool is_external() const; | |
| 325 | |
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326 bool is_unlocker_ext() const; |
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327 bool is_unlocked_ext() const; |
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328 bool is_writeable_ext() const; |
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329 bool is_external_ext() const; |
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330 |
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331 void get_locked_message(char*, int) const; |
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332 void get_locked_message_ext(char*, int) const; |
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333 |
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334 void print_on(outputStream* st, bool withComments = false ); |
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335 void print_kind(outputStream* st); |
| 0 | 336 void print_as_flag(outputStream* st); |
| 337 }; | |
| 338 | |
| 339 // debug flags control various aspects of the VM and are global accessible | |
| 340 | |
| 341 // use FlagSetting to temporarily change some debug flag | |
| 342 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
| 343 // restored to previous value upon leaving scope | |
| 344 class FlagSetting { | |
| 345 bool val; | |
| 346 bool* flag; | |
| 347 public: | |
| 348 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 349 ~FlagSetting() { *flag = val; } | |
| 350 }; | |
| 351 | |
| 352 | |
| 353 class CounterSetting { | |
| 354 intx* counter; | |
| 355 public: | |
| 356 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
| 357 ~CounterSetting() { (*counter)--; } | |
| 358 }; | |
| 359 | |
| 360 | |
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361 class UIntFlagSetting { |
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362 uintx val; |
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363 uintx* flag; |
| 0 | 364 public: |
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365 UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; } |
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366 ~UIntFlagSetting() { *flag = val; } |
| 0 | 367 }; |
| 368 | |
| 369 | |
| 370 class DoubleFlagSetting { | |
| 371 double val; | |
| 372 double* flag; | |
| 373 public: | |
| 374 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 375 ~DoubleFlagSetting() { *flag = val; } | |
| 376 }; | |
| 377 | |
| 378 | |
| 379 class CommandLineFlags { | |
| 380 public: | |
| 381 static bool boolAt(char* name, size_t len, bool* value); | |
| 382 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
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383 static bool boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin); |
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384 static bool boolAtPut(char* name, bool* value, Flag::Flags origin) { return boolAtPut(name, strlen(name), value, origin); } |
| 0 | 385 |
| 386 static bool intxAt(char* name, size_t len, intx* value); | |
| 387 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
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388 static bool intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin); |
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389 static bool intxAtPut(char* name, intx* value, Flag::Flags origin) { return intxAtPut(name, strlen(name), value, origin); } |
| 0 | 390 |
| 391 static bool uintxAt(char* name, size_t len, uintx* value); | |
| 392 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
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393 static bool uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin); |
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394 static bool uintxAtPut(char* name, uintx* value, Flag::Flags origin) { return uintxAtPut(name, strlen(name), value, origin); } |
| 0 | 395 |
| 1064 | 396 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
| 397 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
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398 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin); |
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399 static bool uint64_tAtPut(char* name, uint64_t* value, Flag::Flags origin) { return uint64_tAtPut(name, strlen(name), value, origin); } |
| 1064 | 400 |
| 0 | 401 static bool doubleAt(char* name, size_t len, double* value); |
| 402 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
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403 static bool doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin); |
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404 static bool doubleAtPut(char* name, double* value, Flag::Flags origin) { return doubleAtPut(name, strlen(name), value, origin); } |
| 0 | 405 |
| 406 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
| 407 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
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408 static bool ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin); |
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409 static bool ccstrAtPut(char* name, ccstr* value, Flag::Flags origin) { return ccstrAtPut(name, strlen(name), value, origin); } |
| 0 | 410 |
| 411 // Returns false if name is not a command line flag. | |
| 412 static bool wasSetOnCmdline(const char* name, bool* value); | |
| 4773 | 413 static void printSetFlags(outputStream* out); |
| 0 | 414 |
| 4773 | 415 static void printFlags(outputStream* out, bool withComments); |
| 0 | 416 |
| 417 static void verify() PRODUCT_RETURN; | |
| 418 }; | |
| 419 | |
| 420 // use this for flags that are true by default in the debug version but | |
| 421 // false in the optimized version, and vice versa | |
| 422 #ifdef ASSERT | |
| 423 #define trueInDebug true | |
| 424 #define falseInDebug false | |
| 425 #else | |
| 426 #define trueInDebug false | |
| 427 #define falseInDebug true | |
| 428 #endif | |
| 429 | |
| 430 // use this for flags that are true per default in the product build | |
| 431 // but false in development builds, and vice versa | |
| 432 #ifdef PRODUCT | |
| 433 #define trueInProduct true | |
| 434 #define falseInProduct false | |
| 435 #else | |
| 436 #define trueInProduct false | |
| 437 #define falseInProduct true | |
| 438 #endif | |
| 439 | |
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440 #ifdef JAVASE_EMBEDDED |
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441 #define falseInEmbedded false |
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442 #else |
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443 #define falseInEmbedded true |
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444 #endif |
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445 |
| 0 | 446 // develop flags are settable / visible only during development and are constant in the PRODUCT version |
| 447 // product flags are always settable / visible | |
| 448 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
| 449 | |
| 450 // A flag must be declared with one of the following types: | |
| 451 // bool, intx, uintx, ccstr. | |
| 452 // The type "ccstr" is an alias for "const char*" and is used | |
| 453 // only in this file, because the macrology requires single-token type names. | |
| 454 | |
| 455 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
| 456 // They are to be used for VM quality assurance or field diagnosis | |
| 457 // of VM bugs. They are hidden so that users will not be encouraged to | |
| 458 // try them as if they were VM ordinary execution options. However, they | |
| 459 // are available in the product version of the VM. Under instruction | |
| 460 // from support engineers, VM customers can turn them on to collect | |
| 461 // diagnostic information about VM problems. To use a VM diagnostic | |
| 462 // option, you must first specify +UnlockDiagnosticVMOptions. | |
| 463 // (This master switch also affects the behavior of -Xprintflags.) | |
|
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464 // |
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465 // experimental flags are in support of features that are not |
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466 // part of the officially supported product, but are available |
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467 // for experimenting with. They could, for example, be performance |
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468 // features that may not have undergone full or rigorous QA, but which may |
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469 // help performance in some cases and released for experimentation |
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470 // by the community of users and developers. This flag also allows one to |
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471 // be able to build a fully supported product that nonetheless also |
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472 // ships with some unsupported, lightly tested, experimental features. |
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473 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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474 // UnlockExperimentalVMOptions flag, which allows the control and |
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475 // modification of the experimental flags. |
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476 // |
|
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477 // Nota bene: neither diagnostic nor experimental options should be used casually, |
|
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478 // and they are not supported on production loads, except under explicit |
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479 // direction from support engineers. |
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480 // |
| 0 | 481 // manageable flags are writeable external product flags. |
| 482 // They are dynamically writeable through the JDK management interface | |
| 483 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
| 484 // These flags are external exported interface (see CCC). The list of | |
| 485 // manageable flags can be queried programmatically through the management | |
| 486 // interface. | |
| 487 // | |
| 488 // A flag can be made as "manageable" only if | |
| 489 // - the flag is defined in a CCC as an external exported interface. | |
| 490 // - the VM implementation supports dynamic setting of the flag. | |
| 491 // This implies that the VM must *always* query the flag variable | |
| 492 // and not reuse state related to the flag state at any given time. | |
| 493 // - you want the flag to be queried programmatically by the customers. | |
| 494 // | |
| 495 // product_rw flags are writeable internal product flags. | |
| 496 // They are like "manageable" flags but for internal/private use. | |
| 497 // The list of product_rw flags are internal/private flags which | |
| 498 // may be changed/removed in a future release. It can be set | |
| 499 // through the management interface to get/set value | |
| 500 // when the name of flag is supplied. | |
| 501 // | |
| 502 // A flag can be made as "product_rw" only if | |
| 503 // - the VM implementation supports dynamic setting of the flag. | |
| 504 // This implies that the VM must *always* query the flag variable | |
| 505 // and not reuse state related to the flag state at any given time. | |
| 506 // | |
| 507 // Note that when there is a need to support develop flags to be writeable, | |
| 508 // it can be done in the same way as product_rw. | |
| 509 | |
|
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510 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
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511 \ |
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512 lp64_product(bool, UseCompressedOops, false, \ |
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513 "Use 32-bit object references in 64-bit VM. " \ |
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514 "lp64_product means flag is always constant in 32 bit VM") \ |
|
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515 \ |
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516 lp64_product(bool, UseCompressedClassPointers, false, \ |
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517 "Use 32-bit class pointers in 64-bit VM. " \ |
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518 "lp64_product means flag is always constant in 32 bit VM") \ |
| 0 | 519 \ |
|
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520 notproduct(bool, CheckCompressedOops, true, \ |
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521 "Generate checks in encoding/decoding code in debug VM") \ |
|
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522 \ |
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523 product_pd(uintx, HeapBaseMinAddress, \ |
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524 "OS specific low limit for heap base address") \ |
|
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525 \ |
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526 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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527 "Print compressed oops base address and encoding mode") \ |
|
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528 \ |
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529 lp64_product(intx, ObjectAlignmentInBytes, 8, \ |
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530 "Default object alignment in bytes, 8 is minimum") \ |
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531 \ |
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532 product(bool, AssumeMP, false, \ |
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533 "Instruct the VM to assume multiple processors are available") \ |
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534 \ |
| 0 | 535 /* UseMembar is theoretically a temp flag used for memory barrier \ |
| 536 * removal testing. It was supposed to be removed before FCS but has \ | |
| 537 * been re-added (see 6401008) */ \ | |
|
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538 product_pd(bool, UseMembar, \ |
| 0 | 539 "(Unstable) Issues membars on thread state transitions") \ |
| 540 \ | |
|
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541 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ |
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542 "Clean the chunk pool asynchronously") \ |
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543 \ |
| 6818 | 544 /* Temporary: See 6948537 */ \ |
|
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545 experimental(bool, UseMemSetInBOT, true, \ |
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546 "(Unstable) uses memset in BOT updates in GC code") \ |
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547 \ |
| 0 | 548 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ |
|
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549 "Enable normal processing of flags relating to field diagnostics")\ |
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550 \ |
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551 experimental(bool, UnlockExperimentalVMOptions, false, \ |
|
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552 "Enable normal processing of flags relating to experimental " \ |
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553 "features") \ |
| 0 | 554 \ |
| 555 product(bool, JavaMonitorsInStackTrace, true, \ | |
|
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556 "Print information about Java monitor locks when the stacks are" \ |
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557 "dumped") \ |
| 0 | 558 \ |
| 559 product_pd(bool, UseLargePages, \ | |
| 560 "Use large page memory") \ | |
| 561 \ | |
|
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562 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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563 "Allocate large pages individually for better affinity") \ |
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564 \ |
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565 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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566 "Fail large pages individual allocation") \ |
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567 \ |
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568 product(bool, UseLargePagesInMetaspace, false, \ |
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569 "Use large page memory in metaspace. " \ |
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570 "Only used if UseLargePages is enabled.") \ |
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571 \ |
| 0 | 572 develop(bool, TracePageSizes, false, \ |
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573 "Trace page size selection and usage") \ |
| 0 | 574 \ |
| 575 product(bool, UseNUMA, false, \ | |
| 576 "Use NUMA if available") \ | |
| 577 \ | |
| 3885 | 578 product(bool, UseNUMAInterleaving, false, \ |
| 579 "Interleave memory across NUMA nodes if available") \ | |
| 580 \ | |
| 581 product(uintx, NUMAInterleaveGranularity, 2*M, \ | |
| 582 "Granularity to use for NUMA interleaving on Windows OS") \ | |
| 583 \ | |
|
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584 product(bool, ForceNUMA, false, \ |
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585 "Force NUMA optimizations on single-node/UMA systems") \ |
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586 \ |
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587 product(uintx, NUMAChunkResizeWeight, 20, \ |
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588 "Percentage (0-100) used to weigh the current sample when " \ |
| 0 | 589 "computing exponentially decaying average for " \ |
| 590 "AdaptiveNUMAChunkSizing") \ | |
| 591 \ | |
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592 product(uintx, NUMASpaceResizeRate, 1*G, \ |
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593 "Do not reallocate more than this amount per collection") \ |
| 0 | 594 \ |
| 595 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
| 596 "Enable adaptive chunk sizing for NUMA") \ | |
| 597 \ | |
| 598 product(bool, NUMAStats, false, \ | |
| 599 "Print NUMA stats in detailed heap information") \ | |
| 600 \ | |
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601 product(uintx, NUMAPageScanRate, 256, \ |
| 0 | 602 "Maximum number of pages to include in the page scan procedure") \ |
| 603 \ | |
| 604 product_pd(bool, NeedsDeoptSuspend, \ | |
| 605 "True for register window machines (sparc/ia64)") \ | |
| 606 \ | |
| 607 product(intx, UseSSE, 99, \ | |
| 608 "Highest supported SSE instructions set on x86/x64") \ | |
| 609 \ | |
|
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610 product(bool, UseAES, false, \ |
| 6894 | 611 "Control whether AES instructions can be used on x86/x64") \ |
| 612 \ | |
| 0 | 613 product(uintx, LargePageSizeInBytes, 0, \ |
|
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614 "Large page size (0 to let VM choose the page size)") \ |
| 0 | 615 \ |
| 616 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
|
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617 "Use large pages if maximum heap is at least this big") \ |
| 0 | 618 \ |
| 619 product(bool, ForceTimeHighResolution, false, \ | |
|
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620 "Using high time resolution (for Win32 only)") \ |
| 0 | 621 \ |
| 622 develop(bool, TraceItables, false, \ | |
| 623 "Trace initialization and use of itables") \ | |
| 624 \ | |
| 625 develop(bool, TracePcPatching, false, \ | |
| 626 "Trace usage of frame::patch_pc") \ | |
| 627 \ | |
| 628 develop(bool, TraceJumps, false, \ | |
| 629 "Trace assembly jumps in thread ring buffer") \ | |
| 630 \ | |
| 631 develop(bool, TraceRelocator, false, \ | |
| 632 "Trace the bytecode relocator") \ | |
| 633 \ | |
| 634 develop(bool, TraceLongCompiles, false, \ | |
| 635 "Print out every time compilation is longer than " \ | |
|
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636 "a given threshold") \ |
| 0 | 637 \ |
| 638 develop(bool, SafepointALot, false, \ | |
|
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639 "Generate a lot of safepoints. This works with " \ |
| 0 | 640 "GuaranteedSafepointInterval") \ |
| 641 \ | |
| 642 product_pd(bool, BackgroundCompilation, \ | |
| 643 "A thread requesting compilation is not blocked during " \ | |
| 644 "compilation") \ | |
| 645 \ | |
| 646 product(bool, PrintVMQWaitTime, false, \ | |
|
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647 "Print out the waiting time in VM operation queue") \ |
| 0 | 648 \ |
| 649 develop(bool, NoYieldsInMicrolock, false, \ | |
| 650 "Disable yields in microlock") \ | |
| 651 \ | |
| 652 develop(bool, TraceOopMapGeneration, false, \ | |
|
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653 "Show OopMapGeneration") \ |
| 0 | 654 \ |
| 655 product(bool, MethodFlushing, true, \ | |
| 656 "Reclamation of zombie and not-entrant methods") \ | |
| 657 \ | |
| 658 develop(bool, VerifyStack, false, \ | |
| 659 "Verify stack of each thread when it is entering a runtime call") \ | |
| 660 \ | |
|
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661 diagnostic(bool, ForceUnreachable, false, \ |
|
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662 "Make all non code cache addresses to be unreachable by " \ |
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663 "forcing use of 64bit literal fixups") \ |
| 0 | 664 \ |
| 665 notproduct(bool, StressDerivedPointers, false, \ | |
|
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666 "Force scavenge when a derived pointer is detected on stack " \ |
| 0 | 667 "after rtm call") \ |
| 668 \ | |
| 669 develop(bool, TraceDerivedPointers, false, \ | |
| 670 "Trace traversal of derived pointers on stack") \ | |
| 671 \ | |
| 672 notproduct(bool, TraceCodeBlobStacks, false, \ | |
| 673 "Trace stack-walk of codeblobs") \ | |
| 674 \ | |
| 675 product(bool, PrintJNIResolving, false, \ | |
| 676 "Used to implement -v:jni") \ | |
| 677 \ | |
| 678 notproduct(bool, PrintRewrites, false, \ | |
| 679 "Print methods that are being rewritten") \ | |
| 680 \ | |
| 681 product(bool, UseInlineCaches, true, \ | |
| 682 "Use Inline Caches for virtual calls ") \ | |
| 683 \ | |
| 684 develop(bool, InlineArrayCopy, true, \ | |
|
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685 "Inline arraycopy native that is known to be part of " \ |
| 0 | 686 "base library DLL") \ |
| 687 \ | |
| 688 develop(bool, InlineObjectHash, true, \ | |
|
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689 "Inline Object::hashCode() native that is known to be part " \ |
| 0 | 690 "of base library DLL") \ |
| 691 \ | |
| 692 develop(bool, InlineNatives, true, \ | |
|
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693 "Inline natives that are known to be part of base library DLL") \ |
| 0 | 694 \ |
| 695 develop(bool, InlineMathNatives, true, \ | |
|
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696 "Inline SinD, CosD, etc.") \ |
| 0 | 697 \ |
| 698 develop(bool, InlineClassNatives, true, \ | |
|
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699 "Inline Class.isInstance, etc") \ |
| 0 | 700 \ |
| 701 develop(bool, InlineThreadNatives, true, \ | |
|
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702 "Inline Thread.currentThread, etc") \ |
| 0 | 703 \ |
| 704 develop(bool, InlineUnsafeOps, true, \ | |
|
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705 "Inline memory ops (native methods) from sun.misc.Unsafe") \ |
| 0 | 706 \ |
|
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707 product(bool, CriticalJNINatives, true, \ |
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708 "Check for critical JNI entry points") \ |
|
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709 \ |
|
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710 notproduct(bool, StressCriticalJNINatives, false, \ |
|
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711 "Exercise register saving code in critical natives") \ |
|
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712 \ |
| 681 | 713 product(bool, UseSSE42Intrinsics, false, \ |
| 714 "SSE4.2 versions of intrinsics") \ | |
| 715 \ | |
| 6894 | 716 product(bool, UseAESIntrinsics, false, \ |
|
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717 "Use intrinsics for AES versions of crypto") \ |
| 6894 | 718 \ |
|
11080
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|
719 product(bool, UseCRC32Intrinsics, false, \ |
|
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|
720 "use intrinsics for java.util.zip.CRC32") \ |
|
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721 \ |
| 0 | 722 develop(bool, TraceCallFixup, false, \ |
|
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723 "Trace all call fixups") \ |
| 0 | 724 \ |
| 725 develop(bool, DeoptimizeALot, false, \ | |
|
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726 "Deoptimize at every exit from the runtime system") \ |
| 0 | 727 \ |
| 434 | 728 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
|
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729 "A comma separated list of bcis to deoptimize at") \ |
| 0 | 730 \ |
| 731 product(bool, DeoptimizeRandom, false, \ | |
|
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732 "Deoptimize random frames on random exit from the runtime system")\ |
| 0 | 733 \ |
| 734 notproduct(bool, ZombieALot, false, \ | |
|
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735 "Create zombies (non-entrant) at exit from the runtime system") \ |
| 0 | 736 \ |
|
2177
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|
737 product(bool, UnlinkSymbolsALot, false, \ |
|
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738 "Unlink unreferenced symbols from the symbol table at safepoints")\ |
|
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739 \ |
| 0 | 740 notproduct(bool, WalkStackALot, false, \ |
|
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741 "Trace stack (no print) at every exit from the runtime system") \ |
| 0 | 742 \ |
| 4006 | 743 product(bool, Debugging, false, \ |
|
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744 "Set when executing debug methods in debug.cpp " \ |
| 0 | 745 "(to prevent triggering assertions)") \ |
| 746 \ | |
| 747 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
| 748 "Enable strict checks that safepoints cannot happen for threads " \ | |
|
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749 "that use No_Safepoint_Verifier") \ |
| 0 | 750 \ |
| 751 notproduct(bool, VerifyLastFrame, false, \ | |
| 752 "Verify oops on last frame on entry to VM") \ | |
| 753 \ | |
| 754 develop(bool, TraceHandleAllocation, false, \ | |
|
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755 "Print out warnings when suspiciously many handles are allocated")\ |
| 0 | 756 \ |
| 757 product(bool, UseCompilerSafepoints, true, \ | |
| 758 "Stop at safepoints in compiled code") \ | |
| 759 \ | |
| 760 product(bool, FailOverToOldVerifier, true, \ | |
|
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761 "Fail over to old verifier when split verifier fails") \ |
| 0 | 762 \ |
| 763 develop(bool, ShowSafepointMsgs, false, \ | |
|
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764 "Show message about safepoint synchronization") \ |
| 0 | 765 \ |
| 766 product(bool, SafepointTimeout, false, \ | |
| 767 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
| 768 "milliseconds if failed to reach safepoint") \ | |
| 769 \ | |
| 770 develop(bool, DieOnSafepointTimeout, false, \ | |
| 771 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
| 772 \ | |
| 773 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
| 774 /* typically, at most a few retries are needed */ \ | |
| 775 product(intx, SuspendRetryCount, 50, \ | |
| 776 "Maximum retry count for an external suspend request") \ | |
| 777 \ | |
| 778 product(intx, SuspendRetryDelay, 5, \ | |
| 779 "Milliseconds to delay per retry (* current_retry_count)") \ | |
| 780 \ | |
| 781 product(bool, AssertOnSuspendWaitFailure, false, \ | |
| 782 "Assert/Guarantee on external suspend wait failure") \ | |
| 783 \ | |
| 784 product(bool, TraceSuspendWaitFailures, false, \ | |
| 785 "Trace external suspend wait failures") \ | |
| 786 \ | |
| 787 product(bool, MaxFDLimit, true, \ | |
|
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788 "Bump the number of file descriptors to maximum in Solaris") \ |
| 0 | 789 \ |
|
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790 diagnostic(bool, LogEvents, true, \ |
|
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791 "Enable the various ring buffer event logs") \ |
|
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|
792 \ |
|
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|
793 diagnostic(uintx, LogEventsBufferEntries, 10, \ |
|
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794 "Number of ring buffer event logs") \ |
| 0 | 795 \ |
| 796 product(bool, BytecodeVerificationRemote, true, \ | |
|
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|
797 "Enable the Java bytecode verifier for remote classes") \ |
| 0 | 798 \ |
| 799 product(bool, BytecodeVerificationLocal, false, \ | |
|
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800 "Enable the Java bytecode verifier for local classes") \ |
| 0 | 801 \ |
| 802 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
| 803 "Force exceptions on FP stack under/overflow") \ | |
| 804 \ | |
| 805 develop(bool, VerifyStackAtCalls, false, \ | |
| 806 "Verify that the stack pointer is unchanged after calls") \ | |
| 807 \ | |
| 808 develop(bool, TraceJavaAssertions, false, \ | |
| 809 "Trace java language assertions") \ | |
| 810 \ | |
| 811 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
|
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812 "Temporary - see javaClasses.cpp") \ |
| 0 | 813 \ |
| 814 notproduct(bool, PrintMallocFree, false, \ | |
| 815 "Trace calls to C heap malloc/free allocation") \ | |
| 816 \ | |
|
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|
817 product(bool, PrintOopAddress, false, \ |
| 0 | 818 "Always print the location of the oop") \ |
| 819 \ | |
| 820 notproduct(bool, VerifyCodeCacheOften, false, \ | |
| 821 "Verify compiled-code cache often") \ | |
| 822 \ | |
| 823 develop(bool, ZapDeadCompiledLocals, false, \ | |
| 824 "Zap dead locals in compiler frames") \ | |
| 825 \ | |
| 826 notproduct(bool, ZapDeadLocalsOld, false, \ | |
| 827 "Zap dead locals (old version, zaps all frames when " \ | |
| 828 "entering the VM") \ | |
| 829 \ | |
| 830 notproduct(bool, CheckOopishValues, false, \ | |
|
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831 "Warn if value contains oop (requires ZapDeadLocals)") \ |
| 0 | 832 \ |
| 833 develop(bool, UseMallocOnly, false, \ | |
|
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834 "Use only malloc/free for allocation (no resource area/arena)") \ |
| 0 | 835 \ |
| 836 develop(bool, PrintMalloc, false, \ | |
|
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837 "Print all malloc/free calls") \ |
| 0 | 838 \ |
| 2250 | 839 develop(bool, PrintMallocStatistics, false, \ |
|
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840 "Print malloc/free statistics") \ |
| 2250 | 841 \ |
| 0 | 842 develop(bool, ZapResourceArea, trueInDebug, \ |
| 843 "Zap freed resource/arena space with 0xABABABAB") \ | |
| 844 \ | |
| 845 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
| 846 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
| 847 \ | |
| 848 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
| 849 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
| 850 \ | |
|
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851 notproduct(bool, ZapStackSegments, trueInDebug, \ |
|
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852 "Zap allocated/freed stack segments with 0xFADFADED") \ |
|
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853 \ |
|
263
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|
854 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
| 0 | 855 "Zap unused heap space with 0xBAADBABE") \ |
| 856 \ | |
|
263
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|
857 develop(bool, TraceZapUnusedHeapArea, false, \ |
|
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|
858 "Trace zapping of unused heap space") \ |
|
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|
859 \ |
|
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|
860 develop(bool, CheckZapUnusedHeapArea, false, \ |
|
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861 "Check zapping of unused heap space") \ |
|
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|
862 \ |
|
481
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|
863 develop(bool, ZapFillerObjects, trueInDebug, \ |
|
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|
864 "Zap filler objects with 0xDEAFBABE") \ |
|
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|
865 \ |
| 0 | 866 develop(bool, PrintVMMessages, true, \ |
|
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|
867 "Print VM messages on console") \ |
| 0 | 868 \ |
| 869 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
| 870 "Print the time the application has been running") \ | |
| 871 \ | |
| 872 product(bool, PrintGCApplicationStoppedTime, false, \ | |
| 873 "Print the time the application has been stopped") \ | |
| 874 \ | |
| 6605 | 875 diagnostic(bool, VerboseVerification, false, \ |
|
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876 "Display detailed verification details") \ |
| 6605 | 877 \ |
|
1490
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|
878 notproduct(uintx, ErrorHandlerTest, 0, \ |
|
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|
879 "If > 0, provokes an error after VM initialization; the value " \ |
|
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880 "determines which error to provoke. See test_error_handler() " \ |
|
1490
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|
881 "in debug.cpp.") \ |
|
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|
882 \ |
| 0 | 883 develop(bool, Verbose, false, \ |
|
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884 "Print additional debugging information from other modes") \ |
| 0 | 885 \ |
| 886 develop(bool, PrintMiscellaneous, false, \ | |
|
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|
887 "Print uncategorized debugging information (requires +Verbose)") \ |
| 0 | 888 \ |
| 889 develop(bool, WizardMode, false, \ | |
|
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|
890 "Print much more debugging information") \ |
| 0 | 891 \ |
| 892 product(bool, ShowMessageBoxOnError, false, \ | |
| 893 "Keep process alive on VM fatal error") \ | |
| 894 \ | |
|
2204
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|
895 product(bool, CreateMinidumpOnCrash, false, \ |
|
63d374c54045
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|
896 "Create minidump on VM fatal error") \ |
|
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|
897 \ |
| 0 | 898 product_pd(bool, UseOSErrorReporting, \ |
| 899 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
| 900 \ | |
| 901 product(bool, SuppressFatalErrorMessage, false, \ | |
|
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|
902 "Report NO fatal error message (avoid deadlock)") \ |
| 0 | 903 \ |
| 904 product(ccstrlist, OnError, "", \ | |
| 905 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
| 906 "for examples") \ | |
| 907 \ | |
| 908 product(ccstrlist, OnOutOfMemoryError, "", \ | |
| 909 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
| 910 \ | |
|
615
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changeset
|
911 manageable(bool, HeapDumpBeforeFullGC, false, \ |
|
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912 "Dump heap to file before any major stop-the-world GC") \ |
|
615
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changeset
|
913 \ |
|
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|
914 manageable(bool, HeapDumpAfterFullGC, false, \ |
|
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915 "Dump heap to file after any major stop-the-world GC") \ |
|
615
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|
916 \ |
| 0 | 917 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
| 918 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
| 919 \ | |
| 920 manageable(ccstr, HeapDumpPath, NULL, \ | |
|
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921 "When HeapDumpOnOutOfMemoryError is on, the path (filename or " \ |
|
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922 "directory) of the dump file (defaults to java_pid<pid>.hprof " \ |
| 0 | 923 "in the working directory)") \ |
| 924 \ | |
| 925 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
| 926 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
| 927 "when the heap usage is larger than this") \ | |
| 928 \ | |
| 929 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
| 930 "Approximate segment size when generating a segmented heap dump") \ | |
| 931 \ | |
| 932 develop(bool, BreakAtWarning, false, \ | |
| 933 "Execute breakpoint upon encountering VM warning") \ | |
| 934 \ | |
| 935 develop(bool, TraceVMOperation, false, \ | |
|
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936 "Trace VM operations") \ |
| 0 | 937 \ |
| 938 develop(bool, UseFakeTimers, false, \ | |
|
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939 "Tell whether the VM should use system time or a fake timer") \ |
| 0 | 940 \ |
| 6197 | 941 product(ccstr, NativeMemoryTracking, "off", \ |
| 942 "Native memory tracking options") \ | |
| 943 \ | |
|
6770
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944 diagnostic(bool, PrintNMTStatistics, false, \ |
|
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945 "Print native memory tracking summary data if it is on") \ |
|
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946 \ |
|
8810
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|
947 diagnostic(bool, AutoShutdownNMT, true, \ |
|
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|
948 "Automatically shutdown native memory tracking under stress " \ |
|
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949 "situations. When set to false, native memory tracking tries to " \ |
|
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|
950 "stay alive at the expense of JVM performance") \ |
|
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|
951 \ |
| 0 | 952 diagnostic(bool, LogCompilation, false, \ |
|
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|
953 "Log compilation activity in detail to LogFile") \ |
| 0 | 954 \ |
| 955 product(bool, PrintCompilation, false, \ | |
| 956 "Print compilations") \ | |
| 957 \ | |
| 958 diagnostic(bool, TraceNMethodInstalls, false, \ | |
|
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959 "Trace nmethod installation") \ |
| 0 | 960 \ |
|
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|
961 diagnostic(intx, ScavengeRootsInCode, 2, \ |
|
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962 "0: do not allow scavengable oops in the code cache; " \ |
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963 "1: allow scavenging from the code cache; " \ |
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964 "2: emit as many constants as the compiler can see") \ |
|
989
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|
965 \ |
| 0 | 966 product(bool, AlwaysRestoreFPU, false, \ |
| 967 "Restore the FPU control word after every JNI call (expensive)") \ | |
| 968 \ | |
|
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|
969 diagnostic(bool, PrintCompilation2, false, \ |
| 0 | 970 "Print additional statistics per compilation") \ |
| 971 \ | |
|
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972 diagnostic(bool, PrintAdapterHandlers, false, \ |
| 0 | 973 "Print code generated for i2c/c2i adapters") \ |
| 974 \ | |
|
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|
975 diagnostic(bool, VerifyAdapterCalls, trueInDebug, \ |
|
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976 "Verify that i2c/c2i adapters are called properly") \ |
|
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|
977 \ |
|
1207
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978 develop(bool, VerifyAdapterSharing, false, \ |
|
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979 "Verify that the code for shared adapters is the equivalent") \ |
|
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|
980 \ |
|
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981 diagnostic(bool, PrintAssembly, false, \ |
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982 "Print assembly code (using external disassembler.so)") \ |
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983 \ |
|
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984 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
|
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985 "Print options string passed to disassembler.so") \ |
|
100
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986 \ |
|
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|
987 product(bool, PrintNMethodStatistics, false, \ |
|
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988 "Print a summary statistic for the generated nmethods") \ |
|
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989 \ |
|
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|
990 product(bool, ShareDebugInfo, IS_GRAAL_DEFINED, \ |
|
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|
991 "Always tries to share similar debug info inside a nmethod") \ |
|
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|
992 \ |
|
100
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993 diagnostic(bool, PrintNMethods, false, \ |
| 0 | 994 "Print assembly code for nmethods when generated") \ |
| 995 \ | |
|
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996 diagnostic(bool, PrintNativeNMethods, false, \ |
| 0 | 997 "Print assembly code for native nmethods when generated") \ |
| 998 \ | |
| 999 develop(bool, PrintDebugInfo, false, \ | |
| 1000 "Print debug information for all nmethods when generated") \ | |
| 1001 \ | |
| 1002 develop(bool, PrintRelocations, false, \ | |
| 1003 "Print relocation information for all nmethods when generated") \ | |
| 1004 \ | |
| 1005 develop(bool, PrintDependencies, false, \ | |
| 1006 "Print dependency information for all nmethods when generated") \ | |
| 1007 \ | |
| 1008 develop(bool, PrintExceptionHandlers, false, \ | |
| 1009 "Print exception handler tables for all nmethods when generated") \ | |
| 1010 \ | |
|
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|
1011 develop(bool, StressCompiledExceptionHandlers, false, \ |
|
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1012 "Exercise compiled exception handlers") \ |
|
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1013 \ |
| 0 | 1014 develop(bool, InterceptOSException, false, \ |
|
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1015 "Start debugger when an implicit OS (e.g. NULL) " \ |
| 0 | 1016 "exception happens") \ |
| 1017 \ | |
|
7595
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|
1018 product(bool, PrintCodeCache, false, \ |
|
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1019 "Print the code cache memory usage when exiting") \ |
| 0 | 1020 \ |
| 1021 develop(bool, PrintCodeCache2, false, \ | |
|
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1022 "Print detailed usage information on the code cache when exiting")\ |
|
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1023 \ |
|
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1024 product(bool, PrintCodeCacheOnCompilation, false, \ |
|
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1025 "Print the code cache memory usage each time a method is " \ |
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1026 "compiled") \ |
| 0 | 1027 \ |
|
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1028 diagnostic(bool, PrintStubCode, false, \ |
| 0 | 1029 "Print generated stub code") \ |
| 1030 \ | |
| 1031 product(bool, StackTraceInThrowable, true, \ | |
| 1032 "Collect backtrace in throwable when exception happens") \ | |
| 1033 \ | |
| 1034 product(bool, OmitStackTraceInFastThrow, true, \ | |
| 1035 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
| 1036 \ | |
| 1037 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
|
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1038 "Print bytecode statistics when dumping profiler output") \ |
| 0 | 1039 \ |
| 1040 product(bool, ProfilerRecordPC, false, \ | |
|
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1041 "Collect ticks for each 16 byte interval of compiled code") \ |
| 0 | 1042 \ |
| 1064 | 1043 product(bool, ProfileVM, false, \ |
|
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|
1044 "Profile ticks that fall within VM (either in the VM Thread " \ |
| 0 | 1045 "or VM code called through stubs)") \ |
| 1046 \ | |
| 1047 product(bool, ProfileIntervals, false, \ | |
|
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1048 "Print profiles for each interval (see ProfileIntervalsTicks)") \ |
| 0 | 1049 \ |
| 1050 notproduct(bool, ProfilerCheckIntervals, false, \ | |
|
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1051 "Collect and print information on spacing of profiler ticks") \ |
| 0 | 1052 \ |
| 1053 develop(bool, PrintJVMWarnings, false, \ | |
|
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1054 "Print warnings for unimplemented JVM functions") \ |
| 0 | 1055 \ |
|
1870
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|
1056 product(bool, PrintWarnings, true, \ |
|
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1057 "Print JVM warnings to output stream") \ |
|
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1058 \ |
| 0 | 1059 notproduct(uintx, WarnOnStalledSpinLock, 0, \ |
|
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1060 "Print warnings for stalled SpinLocks") \ |
| 0 | 1061 \ |
| 1062 product(bool, RegisterFinalizersAtInit, true, \ | |
| 1063 "Register finalizable objects at end of Object.<init> or " \ | |
| 1064 | 1064 "after allocation") \ |
| 0 | 1065 \ |
| 1066 develop(bool, RegisterReferences, true, \ | |
|
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1067 "Tell whether the VM should register soft/weak/final/phantom " \ |
| 0 | 1068 "references") \ |
| 1069 \ | |
| 1070 develop(bool, IgnoreRewrites, false, \ | |
|
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1071 "Suppress rewrites of bytecodes in the oopmap generator. " \ |
| 0 | 1072 "This is unsafe!") \ |
| 1073 \ | |
| 1074 develop(bool, PrintCodeCacheExtension, false, \ | |
| 1075 "Print extension of code cache") \ | |
| 1076 \ | |
| 1077 develop(bool, UsePrivilegedStack, true, \ | |
| 1078 "Enable the security JVM functions") \ | |
| 1079 \ | |
| 1080 develop(bool, ProtectionDomainVerification, true, \ | |
|
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1081 "Verify protection domain before resolution in system dictionary")\ |
| 0 | 1082 \ |
| 1083 product(bool, ClassUnloading, true, \ | |
| 1084 "Do unloading of classes") \ | |
| 1085 \ | |
| 1086 develop(bool, DisableStartThread, false, \ | |
| 1087 "Disable starting of additional Java threads " \ | |
| 1088 "(for debugging only)") \ | |
| 1089 \ | |
| 1090 develop(bool, MemProfiling, false, \ | |
| 1091 "Write memory usage profiling to log file") \ | |
| 1092 \ | |
| 1093 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
|
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1094 "Print the system dictionary at exit") \ |
| 0 | 1095 \ |
|
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1096 experimental(intx, PredictedLoadedClassCount, 0, \ |
|
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1097 "Experimental: Tune loaded class cache starting size") \ |
|
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|
1098 \ |
| 0 | 1099 diagnostic(bool, UnsyncloadClass, false, \ |
| 514 | 1100 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
|
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1101 "class loader must call VM synchronized for findClass " \ |
| 514 | 1102 "and defineClass.") \ |
| 1103 \ | |
| 1104 product(bool, AlwaysLockClassLoader, false, \ | |
| 1105 "Require the VM to acquire the class loader lock before calling " \ | |
| 1106 "loadClass() even for class loaders registering " \ | |
| 1064 | 1107 "as parallel capable") \ |
| 514 | 1108 \ |
| 1109 product(bool, AllowParallelDefineClass, false, \ | |
| 1110 "Allow parallel defineClass requests for class loaders " \ | |
| 1064 | 1111 "registering as parallel capable") \ |
| 514 | 1112 \ |
| 1113 product(bool, MustCallLoadClassInternal, false, \ | |
| 1064 | 1114 "Call loadClassInternal() rather than loadClass()") \ |
| 0 | 1115 \ |
| 1116 product_pd(bool, DontYieldALot, \ | |
|
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1117 "Throw away obvious excess yield calls (for Solaris only)") \ |
| 0 | 1118 \ |
| 1119 product_pd(bool, ConvertSleepToYield, \ | |
|
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1120 "Convert sleep(0) to thread yield " \ |
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1121 "(may be off for Solaris to improve GUI)") \ |
| 0 | 1122 \ |
| 1123 product(bool, ConvertYieldToSleep, false, \ | |
|
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1124 "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \ |
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1125 "behavior (Solaris only)") \ |
| 0 | 1126 \ |
| 1127 product(bool, UseBoundThreads, true, \ | |
|
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1128 "Bind user level threads to kernel threads (for Solaris only)") \ |
| 0 | 1129 \ |
| 1130 develop(bool, UseDetachedThreads, true, \ | |
| 1131 "Use detached threads that are recycled upon termination " \ | |
|
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1132 "(for Solaris only)") \ |
| 0 | 1133 \ |
| 1134 product(bool, UseLWPSynchronization, true, \ | |
| 1135 "Use LWP-based instead of libthread-based synchronization " \ | |
| 1136 "(SPARC only)") \ | |
| 1137 \ | |
|
370
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1138 product(ccstr, SyncKnobs, NULL, \ |
| 0 | 1139 "(Unstable) Various monitor synchronization tunables") \ |
| 1140 \ | |
| 1141 product(intx, EmitSync, 0, \ | |
|
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1142 "(Unsafe, Unstable) " \ |
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1143 "Control emission of inline sync fast-path code") \ |
| 0 | 1144 \ |
| 1587 | 1145 product(intx, MonitorBound, 0, "Bound Monitor population") \ |
| 1146 \ | |
| 1147 product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ | |
| 1148 \ | |
|
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1149 product(intx, SyncFlags, 0, "(Unsafe, Unstable) Experimental Sync flags") \ |
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1150 \ |
|
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1151 product(intx, SyncVerbose, 0, "(Unstable)") \ |
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1152 \ |
|
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1153 product(intx, ClearFPUAtPark, 0, "(Unsafe, Unstable)") \ |
| 0 | 1154 \ |
| 7587 | 1155 product(intx, hashCode, 5, \ |
|
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1156 "(Unstable) select hashCode generation algorithm") \ |
| 0 | 1157 \ |
| 1158 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
|
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|
1159 "(Unstable, Linux-specific) " \ |
|
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1160 "avoid NPTL-FUTEX hang pthread_cond_timedwait") \ |
| 0 | 1161 \ |
| 1064 | 1162 product(bool, FilterSpuriousWakeups, true, \ |
| 1163 "Prevent spurious or premature wakeups from object.wait " \ | |
| 1164 "(Solaris only)") \ | |
| 0 | 1165 \ |
| 18077 | 1166 experimental(intx, NativeMonitorTimeout, -1, "(Unstable)") \ |
| 1167 \ | |
| 1168 experimental(intx, NativeMonitorFlags, 0, "(Unstable)") \ | |
| 1169 \ | |
| 1170 experimental(intx, NativeMonitorSpinLimit, 20, "(Unstable)") \ | |
| 0 | 1171 \ |
| 1172 develop(bool, UsePthreads, false, \ | |
| 1173 "Use pthread-based instead of libthread-based synchronization " \ | |
| 1174 "(SPARC only)") \ | |
| 1175 \ | |
| 1176 product(bool, AdjustConcurrency, false, \ | |
|
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1177 "Call thr_setconcurrency at thread creation time to avoid " \ |
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1178 "LWP starvation on MP systems (for Solaris Only)") \ |
| 0 | 1179 \ |
| 1180 product(bool, ReduceSignalUsage, false, \ | |
| 1181 "Reduce the use of OS signals in Java and/or the VM") \ | |
| 1182 \ | |
| 1183 develop_pd(bool, ShareVtableStubs, \ | |
| 1184 "Share vtable stubs (smaller code but worse branch prediction") \ | |
| 1185 \ | |
| 1186 develop(bool, LoadLineNumberTables, true, \ | |
|
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1187 "Tell whether the class file parser loads line number tables") \ |
| 0 | 1188 \ |
| 1189 develop(bool, LoadLocalVariableTables, true, \ | |
|
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1190 "Tell whether the class file parser loads local variable tables") \ |
| 0 | 1191 \ |
| 1192 develop(bool, LoadLocalVariableTypeTables, true, \ | |
|
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1193 "Tell whether the class file parser loads local variable type" \ |
|
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1194 "tables") \ |
| 0 | 1195 \ |
| 1196 product(bool, AllowUserSignalHandlers, false, \ | |
| 1197 "Do not complain if the application installs signal handlers " \ | |
| 1198 "(Solaris & Linux only)") \ | |
| 1199 \ | |
| 1200 product(bool, UseSignalChaining, true, \ | |
| 1201 "Use signal-chaining to invoke signal handlers installed " \ | |
| 1202 "by the application (Solaris & Linux only)") \ | |
| 1203 \ | |
| 1204 product(bool, UseAltSigs, false, \ | |
| 1205 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
| 1064 | 1206 "internal signals (Solaris only)") \ |
| 0 | 1207 \ |
| 1208 product(bool, AllowJNIEnvProxy, false, \ | |
| 1209 "Allow JNIEnv proxies for jdbx") \ | |
| 1210 \ | |
| 1211 product(bool, JNIDetachReleasesMonitors, true, \ | |
| 1212 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
| 1213 \ | |
| 1214 product(bool, RestoreMXCSROnJNICalls, false, \ | |
| 1215 "Restore MXCSR when returning from JNI calls") \ | |
| 1216 \ | |
| 1217 product(bool, CheckJNICalls, false, \ | |
| 1218 "Verify all arguments to JNI calls") \ | |
| 1219 \ | |
| 1220 product(bool, UseFastJNIAccessors, true, \ | |
| 1221 "Use optimized versions of Get<Primitive>Field") \ | |
| 1222 \ | |
| 1223 product(bool, EagerXrunInit, false, \ | |
| 1224 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
|
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1225 "but not all -Xrun libraries may support the state of the VM " \ |
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1226 "at this time") \ |
| 0 | 1227 \ |
| 1228 product(bool, PreserveAllAnnotations, false, \ | |
|
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1229 "Preserve RuntimeInvisibleAnnotations as well " \ |
|
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1230 "as RuntimeVisibleAnnotations") \ |
| 0 | 1231 \ |
| 1232 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
| 1233 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
| 1234 \ | |
| 1235 product(bool, LazyBootClassLoader, true, \ | |
| 1236 "Enable/disable lazy opening of boot class path entries") \ | |
| 1237 \ | |
| 405 | 1238 product(bool, UseXMMForArrayCopy, false, \ |
| 1239 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
| 1240 \ | |
| 0 | 1241 product(intx, FieldsAllocationStyle, 1, \ |
|
1366
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1242 "0 - type based with oops first, 1 - with oops last, " \ |
|
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1243 "2 - oops in super and sub classes are together") \ |
| 0 | 1244 \ |
| 1245 product(bool, CompactFields, true, \ | |
| 1246 "Allocate nonstatic fields in gaps between previous fields") \ | |
| 1247 \ | |
| 7587 | 1248 notproduct(bool, PrintFieldLayout, false, \ |
| 1249 "Print field layout for each class") \ | |
| 1250 \ | |
| 1251 product(intx, ContendedPaddingWidth, 128, \ | |
| 1252 "How many bytes to pad the fields/classes marked @Contended with")\ | |
| 1253 \ | |
| 1254 product(bool, EnableContended, true, \ | |
| 1255 "Enable @Contended annotation support") \ | |
| 1256 \ | |
| 1257 product(bool, RestrictContended, true, \ | |
| 1258 "Restrict @Contended to trusted classes") \ | |
| 1259 \ | |
| 0 | 1260 product(bool, UseBiasedLocking, true, \ |
| 1261 "Enable biased locking in JVM") \ | |
| 1262 \ | |
| 1263 product(intx, BiasedLockingStartupDelay, 4000, \ | |
| 1264 "Number of milliseconds to wait before enabling biased locking") \ | |
| 1265 \ | |
| 1266 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
| 1267 "Print statistics of biased locking in JVM") \ | |
| 1268 \ | |
| 1269 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
| 1270 "Threshold of number of revocations per type to try to " \ | |
| 1271 "rebias all objects in the heap of that type") \ | |
| 1272 \ | |
| 1273 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
| 1274 "Threshold of number of revocations per type to permanently " \ | |
| 1275 "revoke biases of all objects in the heap of that type") \ | |
| 1276 \ | |
| 1277 product(intx, BiasedLockingDecayTime, 25000, \ | |
| 1278 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
| 1279 "type after previous bulk rebias") \ | |
| 1280 \ | |
| 1281 /* tracing */ \ | |
| 1282 \ | |
| 1283 notproduct(bool, TraceRuntimeCalls, false, \ | |
| 1284 "Trace run-time calls") \ | |
| 1285 \ | |
| 1286 develop(bool, TraceJNICalls, false, \ | |
| 1287 "Trace JNI calls") \ | |
| 1288 \ | |
|
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1289 develop(bool, StressRewriter, false, \ |
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1290 "Stress linktime bytecode rewriting") \ |
|
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1291 \ |
| 0 | 1292 notproduct(bool, TraceJVMCalls, false, \ |
| 1293 "Trace JVM calls") \ | |
| 1294 \ | |
|
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1295 product(ccstr, TraceJVMTI, NULL, \ |
| 0 | 1296 "Trace flags for JVMTI functions and events") \ |
| 1297 \ | |
| 1298 /* This option can change an EMCP method into an obsolete method. */ \ | |
| 1299 /* This can affect tests that except specific methods to be EMCP. */ \ | |
| 1300 /* This option should be used with caution. */ \ | |
| 1301 product(bool, StressLdcRewrite, false, \ | |
| 1302 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
| 1303 \ | |
| 1304 product(intx, TraceRedefineClasses, 0, \ | |
| 1305 "Trace level for JVMTI RedefineClasses") \ | |
| 1306 \ | |
| 1574 | 1307 develop(bool, StressMethodComparator, false, \ |
|
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1308 "Run the MethodComparator on all loaded methods") \ |
| 1574 | 1309 \ |
| 0 | 1310 /* change to false by default sometime after Mustang */ \ |
| 1311 product(bool, VerifyMergedCPBytecodes, true, \ | |
| 1312 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
| 1313 \ | |
| 1314 develop(bool, TraceJNIHandleAllocation, false, \ | |
| 1315 "Trace allocation/deallocation of JNI handle blocks") \ | |
| 1316 \ | |
| 1317 develop(bool, TraceThreadEvents, false, \ | |
| 1318 "Trace all thread events") \ | |
| 1319 \ | |
| 1320 develop(bool, TraceBytecodes, false, \ | |
| 1321 "Trace bytecode execution") \ | |
| 1322 \ | |
| 1323 develop(bool, TraceClassInitialization, false, \ | |
| 1324 "Trace class initialization") \ | |
| 1325 \ | |
| 1326 develop(bool, TraceExceptions, false, \ | |
| 1327 "Trace exceptions") \ | |
| 1328 \ | |
| 1329 develop(bool, TraceICs, false, \ | |
| 1330 "Trace inline cache changes") \ | |
| 1331 \ | |
| 1332 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
| 1333 "Trace method invocation counter overflow") \ | |
| 1334 \ | |
| 1335 develop(bool, TraceInlineCacheClearing, false, \ | |
| 1336 "Trace clearing of inline caches in nmethods") \ | |
| 1337 \ | |
| 1338 develop(bool, TraceDependencies, false, \ | |
| 1339 "Trace dependencies") \ | |
| 1340 \ | |
| 1341 develop(bool, VerifyDependencies, trueInDebug, \ | |
|
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1342 "Exercise and verify the compilation dependency mechanism") \ |
| 0 | 1343 \ |
| 1344 develop(bool, TraceNewOopMapGeneration, false, \ | |
| 1345 "Trace OopMapGeneration") \ | |
| 1346 \ | |
| 1347 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
| 1348 "Trace OopMapGeneration: print detailed cell states") \ | |
| 1349 \ | |
| 1350 develop(bool, TimeOopMap, false, \ | |
| 1351 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
| 1352 \ | |
| 1353 develop(bool, TimeOopMap2, false, \ | |
| 1354 "Time calls to GenerateOopMap::compute_map() individually") \ | |
| 1355 \ | |
| 1356 develop(bool, TraceMonitorMismatch, false, \ | |
| 1357 "Trace monitor matching failures during OopMapGeneration") \ | |
| 1358 \ | |
| 1359 develop(bool, TraceOopMapRewrites, false, \ | |
|
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1360 "Trace rewriting of method oops during oop map generation") \ |
| 0 | 1361 \ |
| 1362 develop(bool, TraceSafepoint, false, \ | |
| 1363 "Trace safepoint operations") \ | |
| 1364 \ | |
| 1365 develop(bool, TraceICBuffer, false, \ | |
| 1366 "Trace usage of IC buffer") \ | |
| 1367 \ | |
| 1368 develop(bool, TraceCompiledIC, false, \ | |
| 1369 "Trace changes of compiled IC") \ | |
| 1370 \ | |
| 1371 notproduct(bool, TraceZapDeadLocals, false, \ | |
| 1372 "Trace zapping dead locals") \ | |
| 1373 \ | |
| 1374 develop(bool, TraceStartupTime, false, \ | |
| 1375 "Trace setup time") \ | |
| 1376 \ | |
| 1377 develop(bool, TraceProtectionDomainVerification, false, \ | |
|
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1378 "Trace protection domain verification") \ |
| 0 | 1379 \ |
| 1380 develop(bool, TraceClearedExceptions, false, \ | |
|
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1381 "Print when an exception is forcibly cleared") \ |
| 0 | 1382 \ |
| 1383 product(bool, TraceClassResolution, false, \ | |
| 1384 "Trace all constant pool resolutions (for debugging)") \ | |
| 1385 \ | |
| 1386 product(bool, TraceBiasedLocking, false, \ | |
| 1387 "Trace biased locking in JVM") \ | |
| 1388 \ | |
| 1389 product(bool, TraceMonitorInflation, false, \ | |
| 1390 "Trace monitor inflation in JVM") \ | |
| 1391 \ | |
| 1392 /* gc */ \ | |
| 1393 \ | |
| 1394 product(bool, UseSerialGC, false, \ | |
|
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1395 "Use the Serial garbage collector") \ |
|
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1396 \ |
|
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1397 product(bool, UseG1GC, false, \ |
|
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1398 "Use the Garbage-First garbage collector") \ |
| 0 | 1399 \ |
| 1400 product(bool, UseParallelGC, false, \ | |
| 1401 "Use the Parallel Scavenge garbage collector") \ | |
| 1402 \ | |
| 1403 product(bool, UseParallelOldGC, false, \ | |
| 1404 "Use the Parallel Old garbage collector") \ | |
| 1405 \ | |
| 1406 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
| 1407 "How often should we maximally compact the heap (not allowing " \ | |
| 1408 "any dead space)") \ | |
| 1409 \ | |
| 1410 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
| 1411 "The collection count for the first maximum compaction") \ | |
| 1412 \ | |
| 1413 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
|
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1414 "Use maximum compaction in the Parallel Old garbage collector " \ |
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1415 "for a system GC") \ |
| 0 | 1416 \ |
| 1417 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
|
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1418 "The mean used by the parallel compact dead wood " \ |
|
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1419 "limiter (a number between 0-100)") \ |
| 0 | 1420 \ |
| 1421 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
|
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1422 "The standard deviation used by the parallel compact dead wood " \ |
|
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1423 "limiter (a number between 0-100)") \ |
| 0 | 1424 \ |
| 1425 product(uintx, ParallelGCThreads, 0, \ | |
| 1426 "Number of parallel threads parallel gc will use") \ | |
| 1427 \ | |
|
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1428 product(bool, UseDynamicNumberOfGCThreads, false, \ |
|
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1429 "Dynamically choose the number of parallel threads " \ |
|
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1430 "parallel gc will use") \ |
|
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1431 \ |
|
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1432 diagnostic(bool, ForceDynamicNumberOfGCThreads, false, \ |
|
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1433 "Force dynamic selection of the number of " \ |
|
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1434 "parallel threads parallel gc will use to aid debugging") \ |
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1435 \ |
|
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1436 product(uintx, HeapSizePerGCThread, ScaleForWordSize(64*M), \ |
|
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1437 "Size of heap (bytes) per GC thread used in calculating the " \ |
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1438 "number of GC threads") \ |
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1439 \ |
|
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1440 product(bool, TraceDynamicGCThreads, false, \ |
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1441 "Trace the dynamic GC thread usage") \ |
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1442 \ |
|
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1443 develop(bool, ParallelOldGCSplitALot, false, \ |
|
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1444 "Provoke splitting (copying data from a young gen space to " \ |
|
483
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1445 "multiple destination spaces)") \ |
|
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1446 \ |
|
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1447 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
|
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1448 "How often to provoke splitting a young gen space") \ |
| 0 | 1449 \ |
| 1284 | 1450 product(uintx, ConcGCThreads, 0, \ |
| 1451 "Number of threads concurrent gc will use") \ | |
|
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1452 \ |
| 0 | 1453 product(uintx, YoungPLABSize, 4096, \ |
|
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1454 "Size of young gen promotion LAB's (in HeapWords)") \ |
| 0 | 1455 \ |
| 1456 product(uintx, OldPLABSize, 1024, \ | |
|
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1457 "Size of old gen promotion LAB's (in HeapWords)") \ |
| 0 | 1458 \ |
| 1459 product(uintx, GCTaskTimeStampEntries, 200, \ | |
| 1460 "Number of time stamp entries per gc worker thread") \ | |
| 1461 \ | |
| 1462 product(bool, AlwaysTenure, false, \ | |
|
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1463 "Always tenure objects in eden (ParallelGC only)") \ |
| 0 | 1464 \ |
| 1465 product(bool, NeverTenure, false, \ | |
|
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1466 "Never tenure objects in eden, may tenure on overflow " \ |
| 1064 | 1467 "(ParallelGC only)") \ |
| 0 | 1468 \ |
| 1469 product(bool, ScavengeBeforeFullGC, true, \ | |
| 1064 | 1470 "Scavenge youngest generation before each full GC, " \ |
| 1471 "used with UseParallelGC") \ | |
| 0 | 1472 \ |
| 1473 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
|
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1474 "Allow scavenges to occur when to-space contains objects") \ |
| 0 | 1475 \ |
| 1476 product(bool, UseConcMarkSweepGC, false, \ | |
| 1477 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
| 1478 \ | |
| 1479 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
|
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1480 "A System.gc() request invokes a concurrent collection; " \ |
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1481 "(effective only when UseConcMarkSweepGC)") \ |
| 0 | 1482 \ |
| 1483 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
| 1064 | 1484 "A System.gc() request invokes a concurrent collection and " \ |
| 1485 "also unloads classes during such a concurrent gc cycle " \ | |
| 1486 "(effective only when UseConcMarkSweepGC)") \ | |
| 0 | 1487 \ |
|
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1488 product(bool, GCLockerInvokesConcurrent, false, \ |
|
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1489 "The exit of a JNI critical section necessitating a scavenge, " \ |
|
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1490 "also kicks off a background concurrent collection") \ |
|
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1491 \ |
|
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1492 product(uintx, GCLockerEdenExpansionPercent, 5, \ |
|
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1493 "How much the GC can expand the eden by while the GC locker " \ |
|
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1494 "is active (as a percentage)") \ |
|
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|
1495 \ |
|
8853
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|
1496 diagnostic(intx, GCLockerRetryAllocationCount, 2, \ |
|
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1497 "Number of times to retry allocations when " \ |
|
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1498 "blocked by the GC locker") \ |
|
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1499 \ |
| 0 | 1500 develop(bool, UseCMSAdaptiveFreeLists, true, \ |
|
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1501 "Use adaptive free lists in the CMS generation") \ |
| 0 | 1502 \ |
| 1503 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
| 1504 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
| 1505 \ | |
| 1506 develop(bool, RotateCMSCollectionTypes, false, \ | |
| 1507 "Rotate the CMS collections among concurrent and STW") \ | |
| 1508 \ | |
| 1509 product(bool, UseCMSBestFit, true, \ | |
| 1510 "Use CMS best fit allocation strategy") \ | |
| 1511 \ | |
| 1512 product(bool, UseCMSCollectionPassing, true, \ | |
| 1513 "Use passing of collection from background to foreground") \ | |
| 1514 \ | |
| 1515 product(bool, UseParNewGC, false, \ | |
|
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1516 "Use parallel threads in the new generation") \ |
| 0 | 1517 \ |
| 1518 product(bool, ParallelGCVerbose, false, \ | |
|
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1519 "Verbose output for parallel gc") \ |
| 0 | 1520 \ |
|
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1521 product(uintx, ParallelGCBufferWastePct, 10, \ |
|
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1522 "Wasted fraction of parallel allocation buffer") \ |
| 0 | 1523 \ |
|
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1524 diagnostic(bool, ParallelGCRetainPLAB, false, \ |
|
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1525 "Retain parallel allocation buffers across scavenges; " \ |
|
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1526 "it is disabled because this currently conflicts with " \ |
|
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1527 "parallel card scanning under certain conditions.") \ |
| 0 | 1528 \ |
|
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1529 product(uintx, TargetPLABWastePct, 10, \ |
|
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1530 "Target wasted space in last buffer as percent of overall " \ |
|
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1531 "allocation") \ |
| 0 | 1532 \ |
| 1533 product(uintx, PLABWeight, 75, \ | |
|
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1534 "Percentage (0-100) used to weigh the current sample when " \ |
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1535 "computing exponentially decaying average for ResizePLAB") \ |
| 0 | 1536 \ |
| 1537 product(bool, ResizePLAB, true, \ | |
|
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1538 "Dynamically resize (survivor space) promotion LAB's") \ |
| 0 | 1539 \ |
| 1540 product(bool, PrintPLAB, false, \ | |
|
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1541 "Print (survivor space) promotion LAB's sizing decisions") \ |
| 0 | 1542 \ |
| 1543 product(intx, ParGCArrayScanChunk, 50, \ | |
|
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1544 "Scan a subset of object array and push remainder, if array is " \ |
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1545 "bigger than this") \ |
| 0 | 1546 \ |
| 695 | 1547 product(bool, ParGCUseLocalOverflow, false, \ |
| 1548 "Instead of a global overflow list, use local overflow stacks") \ | |
| 1549 \ | |
|
679
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|
1550 product(bool, ParGCTrimOverflow, true, \ |
|
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1551 "Eagerly trim the local overflow lists " \ |
|
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1552 "(when ParGCUseLocalOverflow)") \ |
|
679
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|
1553 \ |
| 534 | 1554 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
|
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1555 "Simulate work queue overflow in ParNew") \ |
| 534 | 1556 \ |
| 1557 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
| 1064 | 1558 "An `interval' counter that determines how frequently " \ |
| 1559 "we simulate overflow; a smaller number increases frequency") \ | |
| 534 | 1560 \ |
| 1561 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
| 0 | 1562 "The desired number of objects to claim from the overflow list") \ |
| 1563 \ | |
|
4728
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1564 diagnostic(uintx, ParGCStridesPerThread, 2, \ |
|
3357
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1565 "The number of strides per worker thread that we divide up the " \ |
|
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|
1566 "card table scanning work into") \ |
|
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|
1567 \ |
|
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|
1568 diagnostic(intx, ParGCCardsPerStrideChunk, 256, \ |
|
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|
1569 "The number of cards in each chunk of the parallel chunks used " \ |
|
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|
1570 "during card table scanning") \ |
|
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|
1571 \ |
|
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|
1572 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
|
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1573 "Number of blocks to attempt to claim when refilling CMS LAB's " \ |
|
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1574 "for parallel GC") \ |
| 0 | 1575 \ |
|
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1576 product(uintx, OldPLABWeight, 50, \ |
|
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1577 "Percentage (0-100) used to weight the current sample when " \ |
|
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1578 "computing exponentially decaying average for resizing " \ |
|
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1579 "CMSParPromoteBlocksToClaim") \ |
|
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|
1580 \ |
|
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1581 product(bool, ResizeOldPLAB, true, \ |
|
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1582 "Dynamically resize (old gen) promotion LAB's") \ |
|
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1583 \ |
|
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1584 product(bool, PrintOldPLAB, false, \ |
|
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1585 "Print (old gen) promotion LAB's sizing decisions") \ |
|
1145
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|
1586 \ |
|
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1587 product(uintx, CMSOldPLABMin, 16, \ |
|
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1588 "Minimum size of CMS gen promotion LAB caches per worker " \ |
|
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1589 "per block size") \ |
|
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|
1590 \ |
|
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1591 product(uintx, CMSOldPLABMax, 1024, \ |
|
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1592 "Maximum size of CMS gen promotion LAB caches per worker " \ |
|
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1593 "per block size") \ |
|
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|
1594 \ |
|
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1595 product(uintx, CMSOldPLABNumRefills, 4, \ |
|
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1596 "Nominal number of refills of CMS gen promotion LAB cache " \ |
|
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1597 "per worker per block size") \ |
|
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|
1598 \ |
|
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1599 product(bool, CMSOldPLABResizeQuicker, false, \ |
|
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1600 "React on-the-fly during a scavenge to a sudden " \ |
|
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1601 "change in block demand rate") \ |
|
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1602 \ |
|
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1603 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
|
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1604 "The tolerance of the phase-change detector for on-the-fly " \ |
|
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1605 "PLAB resizing during a scavenge") \ |
|
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1606 \ |
|
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1607 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
|
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1608 "The gain in the feedback loop for on-the-fly PLAB resizing " \ |
|
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1609 "during a scavenge") \ |
|
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1610 \ |
| 0 | 1611 product(bool, AlwaysPreTouch, false, \ |
|
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1612 "Force all freshly committed pages to be pre-touched") \ |
| 0 | 1613 \ |
|
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1614 product_pd(uintx, CMSYoungGenPerWorker, \ |
|
2368
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1615 "The maximum size of young gen chosen by default per GC worker " \ |
| 1064 | 1616 "thread available") \ |
| 0 | 1617 \ |
| 1618 product(bool, CMSIncrementalMode, false, \ | |
| 1619 "Whether CMS GC should operate in \"incremental\" mode") \ | |
| 1620 \ | |
| 1621 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
|
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1622 "Percentage (0-100) of CMS incremental mode duty cycle. If " \ |
|
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1623 "CMSIncrementalPacing is enabled, then this is just the initial " \ |
|
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1624 "value.") \ |
| 0 | 1625 \ |
| 1626 product(bool, CMSIncrementalPacing, true, \ | |
| 1627 "Whether the CMS incremental mode duty cycle should be " \ | |
| 1628 "automatically adjusted") \ | |
| 1629 \ | |
| 1630 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
|
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1631 "Minimum percentage (0-100) of the CMS incremental duty cycle " \ |
|
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|
1632 "used when CMSIncrementalPacing is enabled") \ |
| 0 | 1633 \ |
| 1634 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
| 1064 | 1635 "Percentage (0-100) used to add conservatism when computing the " \ |
| 1636 "duty cycle") \ | |
| 0 | 1637 \ |
| 1638 product(uintx, CMSIncrementalOffset, 0, \ | |
|
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1639 "Percentage (0-100) by which the CMS incremental mode duty cycle "\ |
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1640 "is shifted to the right within the period between young GCs") \ |
| 0 | 1641 \ |
|
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1642 product(uintx, CMSExpAvgFactor, 50, \ |
|
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1643 "Percentage (0-100) used to weigh the current sample when " \ |
|
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1644 "computing exponential averages for CMS statistics") \ |
|
1145
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1645 \ |
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1646 product(uintx, CMS_FLSWeight, 75, \ |
|
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1647 "Percentage (0-100) used to weigh the current sample when " \ |
|
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1648 "computing exponentially decaying averages for CMS FLS " \ |
|
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1649 "statistics") \ |
|
1145
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1650 \ |
|
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1651 product(uintx, CMS_FLSPadding, 1, \ |
|
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1652 "The multiple of deviation from mean to use for buffering " \ |
|
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1653 "against volatility in free list demand") \ |
| 0 | 1654 \ |
| 1655 product(uintx, FLSCoalescePolicy, 2, \ | |
|
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1656 "CMS: aggressiveness level for coalescing, increasing " \ |
|
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1657 "from 0 to 4") \ |
| 0 | 1658 \ |
|
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1659 product(bool, FLSAlwaysCoalesceLarge, false, \ |
|
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1660 "CMS: larger free blocks are always available for coalescing") \ |
|
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1661 \ |
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1662 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
|
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1663 "CMS: the smaller the percentage the greater the coalescing " \ |
|
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1664 "force") \ |
|
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1665 \ |
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1666 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
|
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1667 "CMS: the factor by which to inflate estimated demand of small " \ |
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1668 "block sizes to prevent coalescing with an adjoining block") \ |
|
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1669 \ |
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1670 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
|
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1671 "CMS: the factor by which to inflate estimated demand of large " \ |
|
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1672 "block sizes to prevent coalescing with an adjoining block") \ |
|
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1673 \ |
|
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1674 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
|
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1675 "CMS: the factor by which to inflate estimated demand of small " \ |
|
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1676 "block sizes to prevent splitting to supply demand for smaller " \ |
|
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1677 "blocks") \ |
|
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1678 \ |
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1679 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
|
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1680 "CMS: the factor by which to inflate estimated demand of large " \ |
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1681 "block sizes to prevent splitting to supply demand for smaller " \ |
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1682 "blocks") \ |
|
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1683 \ |
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1684 product(bool, CMSExtrapolateSweep, false, \ |
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1685 "CMS: cushion for block demand during sweep") \ |
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1686 \ |
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1687 product(uintx, CMS_SweepWeight, 75, \ |
| 1064 | 1688 "Percentage (0-100) used to weight the current sample when " \ |
| 1689 "computing exponentially decaying average for inter-sweep " \ | |
| 1690 "duration") \ | |
| 0 | 1691 \ |
|
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1692 product(uintx, CMS_SweepPadding, 1, \ |
| 1064 | 1693 "The multiple of deviation from mean to use for buffering " \ |
|
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1694 "against volatility in inter-sweep duration") \ |
| 0 | 1695 \ |
| 1696 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
| 1697 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
|
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1698 "duration exceeds this threshold in milliseconds") \ |
| 0 | 1699 \ |
| 1700 develop(bool, CMSTraceIncrementalMode, false, \ | |
| 1701 "Trace CMS incremental mode") \ | |
| 1702 \ | |
| 1703 develop(bool, CMSTraceIncrementalPacing, false, \ | |
| 1704 "Trace CMS incremental mode pacing computation") \ | |
| 1705 \ | |
| 1706 develop(bool, CMSTraceThreadState, false, \ | |
| 1707 "Trace the CMS thread state (enable the trace_state() method)") \ | |
| 1708 \ | |
|
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1709 product(bool, CMSClassUnloadingEnabled, true, \ |
| 0 | 1710 "Whether class unloading enabled when using CMS GC") \ |
| 1711 \ | |
|
94
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1712 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
|
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1713 "When CMS class unloading is enabled, the maximum CMS cycle " \ |
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1714 "count for which classes may not be unloaded") \ |
|
94
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1715 \ |
| 0 | 1716 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
|
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1717 "Compact when asked to collect CMS gen with " \ |
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1718 "clear_all_soft_refs()") \ |
| 0 | 1719 \ |
| 1720 product(bool, UseCMSCompactAtFullCollection, true, \ | |
|
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1721 "Use Mark-Sweep-Compact algorithm at full collections") \ |
| 0 | 1722 \ |
| 1723 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
| 1724 "Number of CMS full collection done before compaction if > 0") \ | |
| 1725 \ | |
| 1726 develop(intx, CMSDictionaryChoice, 0, \ | |
| 1727 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
| 1728 \ | |
| 1729 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
| 6818 | 1730 "Replenish an indexed free list with this number of chunks") \ |
| 0 | 1731 \ |
|
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1732 product(bool, CMSReplenishIntermediate, true, \ |
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1733 "Replenish all intermediate free-list caches") \ |
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1734 \ |
|
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1735 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
|
1777
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1736 "When satisfying batched demand, split blocks from the " \ |
|
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1737 "IndexedFreeList whose size is a multiple of requested size") \ |
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1738 \ |
| 0 | 1739 product(bool, CMSLoopWarn, false, \ |
| 1740 "Warn in case of excessive CMS looping") \ | |
| 1741 \ | |
| 1742 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
|
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1743 "Restore preserved marks early") \ |
| 0 | 1744 \ |
| 1284 | 1745 product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
| 1746 "Size of marking stack") \ | |
| 1747 \ | |
| 1748 product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ | |
|
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1749 "Maximum size of marking stack") \ |
| 0 | 1750 \ |
| 1751 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
|
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1752 "Simulate frequent marking stack / work queue overflow") \ |
| 0 | 1753 \ |
| 534 | 1754 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
|
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1755 "An \"interval\" counter that determines how frequently " \ |
|
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1756 "to simulate overflow; a smaller number increases frequency") \ |
| 0 | 1757 \ |
| 1758 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
|
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1759 "(Temporary, subject to experimentation) " \ |
| 0 | 1760 "Maximum number of abortable preclean iterations, if > 0") \ |
| 1761 \ | |
| 1762 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
|
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1763 "(Temporary, subject to experimentation) " \ |
|
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1764 "Maximum time in abortable preclean (in milliseconds)") \ |
| 0 | 1765 \ |
| 1766 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
|
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1767 "(Temporary, subject to experimentation) " \ |
| 0 | 1768 "Nominal minimum work per abortable preclean iteration") \ |
| 1769 \ | |
|
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1770 manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ |
|
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1771 "(Temporary, subject to experimentation) " \ |
|
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1772 "Time that we sleep between iterations when not given " \ |
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1773 "enough work per iteration") \ |
| 0 | 1774 \ |
| 1775 product(uintx, CMSRescanMultiple, 32, \ | |
| 1776 "Size (in cards) of CMS parallel rescan task") \ | |
| 1777 \ | |
| 1778 product(uintx, CMSConcMarkMultiple, 32, \ | |
| 1779 "Size (in cards) of CMS concurrent MT marking task") \ | |
| 1780 \ | |
| 1781 product(bool, CMSAbortSemantics, false, \ | |
| 1782 "Whether abort-on-overflow semantics is implemented") \ | |
| 1783 \ | |
| 11975 | 1784 product(bool, CMSParallelInitialMarkEnabled, true, \ |
| 1785 "Use the parallel initial mark.") \ | |
| 1786 \ | |
| 0 | 1787 product(bool, CMSParallelRemarkEnabled, true, \ |
| 1788 "Whether parallel remark enabled (only if ParNewGC)") \ | |
| 1789 \ | |
| 1790 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
|
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1791 "Whether parallel remark of survivor space " \ |
|
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1792 "enabled (effective only if CMSParallelRemarkEnabled)") \ |
| 0 | 1793 \ |
| 1794 product(bool, CMSPLABRecordAlways, true, \ | |
|
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1795 "Always record survivor space PLAB boundaries (effective only " \ |
|
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1796 "if CMSParallelSurvivorRemarkEnabled)") \ |
| 0 | 1797 \ |
|
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1798 product(bool, CMSEdenChunksRecordAlways, true, \ |
|
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1799 "Always record eden chunks used for the parallel initial mark " \ |
|
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1800 "or remark of eden") \ |
|
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1801 \ |
|
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1802 product(bool, CMSPrintEdenSurvivorChunks, false, \ |
|
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1803 "Print the eden and the survivor chunks used for the parallel " \ |
|
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1804 "initial mark or remark of the eden/survivor spaces") \ |
|
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1805 \ |
| 0 | 1806 product(bool, CMSConcurrentMTEnabled, true, \ |
|
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1807 "Whether multi-threaded concurrent work enabled " \ |
|
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1808 "(effective only if ParNewGC)") \ |
| 0 | 1809 \ |
| 1810 product(bool, CMSPrecleaningEnabled, true, \ | |
| 1811 "Whether concurrent precleaning enabled") \ | |
| 1812 \ | |
| 1813 product(uintx, CMSPrecleanIter, 3, \ | |
| 1814 "Maximum number of precleaning iteration passes") \ | |
| 1815 \ | |
| 1816 product(uintx, CMSPrecleanNumerator, 2, \ | |
|
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1817 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
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1818 "ratio") \ |
| 0 | 1819 \ |
| 1820 product(uintx, CMSPrecleanDenominator, 3, \ | |
|
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1821 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
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1822 "ratio") \ |
| 0 | 1823 \ |
|
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1824 product(bool, CMSPrecleanRefLists1, true, \ |
| 0 | 1825 "Preclean ref lists during (initial) preclean phase") \ |
| 1826 \ | |
| 1827 product(bool, CMSPrecleanRefLists2, false, \ | |
| 1828 "Preclean ref lists during abortable preclean phase") \ | |
| 1829 \ | |
| 1830 product(bool, CMSPrecleanSurvivors1, false, \ | |
| 1831 "Preclean survivors during (initial) preclean phase") \ | |
| 1832 \ | |
| 1833 product(bool, CMSPrecleanSurvivors2, true, \ | |
| 1834 "Preclean survivors during abortable preclean phase") \ | |
| 1835 \ | |
| 1836 product(uintx, CMSPrecleanThreshold, 1000, \ | |
|
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1837 "Do not iterate again if number of dirty cards is less than this")\ |
| 0 | 1838 \ |
| 1839 product(bool, CMSCleanOnEnter, true, \ | |
| 1840 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
| 1841 \ | |
| 1842 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
| 1843 "Choose variant (1,2) of verification following remark") \ | |
| 1844 \ | |
| 1845 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
|
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1846 "If Eden size is below this, do not try to schedule remark") \ |
| 0 | 1847 \ |
| 1848 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
|
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1849 "The Eden occupancy percentage (0-100) at which " \ |
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1850 "to try and schedule remark pause") \ |
| 0 | 1851 \ |
| 1852 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
|
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1853 "Start sampling eden top at least before young gen " \ |
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1854 "occupancy reaches 1/<ratio> of the size at which " \ |
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1855 "we plan to schedule remark") \ |
| 0 | 1856 \ |
| 1857 product(uintx, CMSSamplingGrain, 16*K, \ | |
| 1858 "The minimum distance between eden samples for CMS (see above)") \ | |
| 1859 \ | |
| 1860 product(bool, CMSScavengeBeforeRemark, false, \ | |
| 1861 "Attempt scavenge before the CMS remark step") \ | |
| 1862 \ | |
| 1863 develop(bool, CMSTraceSweeper, false, \ | |
| 1864 "Trace some actions of the CMS sweeper") \ | |
| 1865 \ | |
| 1866 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
| 1867 "Don't drain below this size per parallel worker/thief") \ | |
| 1868 \ | |
|
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1869 manageable(intx, CMSWaitDuration, 2000, \ |
| 0 | 1870 "Time in milliseconds that CMS thread waits for young GC") \ |
| 1871 \ | |
|
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1872 develop(uintx, CMSCheckInterval, 1000, \ |
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1873 "Interval in milliseconds that CMS thread checks if it " \ |
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1874 "should start a collection cycle") \ |
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1875 \ |
| 0 | 1876 product(bool, CMSYield, true, \ |
|
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1877 "Yield between steps of CMS") \ |
| 0 | 1878 \ |
| 1879 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
|
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1880 "Bitmap operations should process at most this many bits " \ |
| 0 | 1881 "between yields") \ |
| 1882 \ | |
|
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1883 product(bool, CMSDumpAtPromotionFailure, false, \ |
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1884 "Dump useful information about the state of the CMS old " \ |
|
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1885 "generation upon a promotion failure") \ |
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1886 \ |
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1887 product(bool, CMSPrintChunksInDump, false, \ |
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1888 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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1889 "more detailed information about the free chunks") \ |
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1890 \ |
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1891 product(bool, CMSPrintObjectsInDump, false, \ |
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1892 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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1893 "more detailed information about the allocated objects") \ |
|
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1894 \ |
| 0 | 1895 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
|
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1896 "Verify that all references across the FLS boundary " \ |
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1897 "are to valid objects") \ |
| 0 | 1898 \ |
| 1899 diagnostic(bool, FLSVerifyLists, false, \ | |
| 1900 "Do lots of (expensive) FreeListSpace verification") \ | |
| 1901 \ | |
| 1902 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
| 1903 "Do lots of (expensive) FLS index table verification") \ | |
| 1904 \ | |
| 1905 develop(bool, FLSVerifyDictionary, false, \ | |
| 1906 "Do lots of (expensive) FLS dictionary verification") \ | |
| 1907 \ | |
| 1908 develop(bool, VerifyBlockOffsetArray, false, \ | |
|
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1909 "Do (expensive) block offset array verification") \ |
| 0 | 1910 \ |
|
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1911 diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
|
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1912 "Maintain _unallocated_block in BlockOffsetArray " \ |
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1913 "(currently applicable only to CMS collector)") \ |
| 0 | 1914 \ |
| 1915 develop(bool, TraceCMSState, false, \ | |
| 1916 "Trace the state of the CMS collection") \ | |
| 1917 \ | |
| 1918 product(intx, RefDiscoveryPolicy, 0, \ | |
|
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1919 "Select type of reference discovery policy: " \ |
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1920 "reference-based(0) or referent-based(1)") \ |
| 0 | 1921 \ |
| 1922 product(bool, ParallelRefProcEnabled, false, \ | |
| 1923 "Enable parallel reference processing whenever possible") \ | |
| 1924 \ | |
| 1925 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
| 1926 "Enable balancing of reference processing queues") \ | |
| 1927 \ | |
| 8035 | 1928 product(uintx, CMSTriggerRatio, 80, \ |
| 0 | 1929 "Percentage of MinHeapFreeRatio in CMS generation that is " \ |
| 1064 | 1930 "allocated before a CMS collection cycle commences") \ |
| 0 | 1931 \ |
|
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1932 product(uintx, CMSBootstrapOccupancy, 50, \ |
| 0 | 1933 "Percentage CMS generation occupancy at which to " \ |
| 1064 | 1934 "initiate CMS collection for bootstrapping collection stats") \ |
| 0 | 1935 \ |
| 1936 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
| 1937 "Percentage CMS generation occupancy to start a CMS collection " \ | |
| 1064 | 1938 "cycle. A negative value means that CMSTriggerRatio is used") \ |
|
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1939 \ |
|
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1940 product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
|
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1941 "Percentage of the (entire) heap occupancy to start a " \ |
|
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1942 "concurrent GC cycle. It is used by GCs that trigger a " \ |
|
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1943 "concurrent GC cycle based on the occupancy of the entire heap, " \ |
|
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1944 "not just one of the generations (e.g., G1). A value of 0 " \ |
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1945 "denotes 'do constant GC cycles'.") \ |
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1946 \ |
| 0 | 1947 product(bool, UseCMSInitiatingOccupancyOnly, false, \ |
|
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1948 "Only use occupancy as a criterion for starting a CMS collection")\ |
| 0 | 1949 \ |
|
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1950 product(uintx, CMSIsTooFullPercentage, 98, \ |
| 1064 | 1951 "An absolute ceiling above which CMS will always consider the " \ |
|
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1952 "unloading of classes when class unloading is enabled") \ |
|
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1953 \ |
| 0 | 1954 develop(bool, CMSTestInFreeList, false, \ |
| 1955 "Check if the coalesced range is already in the " \ | |
| 1064 | 1956 "free lists as claimed") \ |
| 0 | 1957 \ |
| 1958 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
| 1959 "Check that all the garbage collected was returned to the " \ | |
|
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1960 "free lists") \ |
| 0 | 1961 \ |
| 1962 notproduct(bool, ScavengeALot, false, \ | |
| 1963 "Force scavenge at every Nth exit from the runtime system " \ | |
| 1964 "(N=ScavengeALotInterval)") \ | |
| 1965 \ | |
| 1966 develop(bool, FullGCALot, false, \ | |
| 1967 "Force full gc at every Nth exit from the runtime system " \ | |
| 1968 "(N=FullGCALotInterval)") \ | |
| 1969 \ | |
| 1970 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
| 1971 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
| 1972 \ | |
|
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1973 product(bool, PrintPromotionFailure, false, \ |
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1974 "Print additional diagnostic information following " \ |
|
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1975 "promotion failure") \ |
|
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1976 \ |
| 0 | 1977 notproduct(bool, PromotionFailureALot, false, \ |
| 1978 "Use promotion failure handling on every youngest generation " \ | |
| 1979 "collection") \ | |
| 1980 \ | |
| 1981 develop(uintx, PromotionFailureALotCount, 1000, \ | |
|
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1982 "Number of promotion failures occurring at ParGCAllocBuffer " \ |
| 0 | 1983 "refill attempts (ParNew) or promotion attempts " \ |
|
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1984 "(other young collectors)") \ |
| 0 | 1985 \ |
| 1986 develop(uintx, PromotionFailureALotInterval, 5, \ | |
| 1987 "Total collections between promotion failures alot") \ | |
| 1988 \ | |
|
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1989 experimental(uintx, WorkStealingSleepMillis, 1, \ |
| 0 | 1990 "Sleep time when sleep is used for yields") \ |
| 1991 \ | |
| 2430 | 1992 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
| 0 | 1993 "Number of yields before a sleep is done during workstealing") \ |
| 1994 \ | |
|
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1995 experimental(uintx, WorkStealingHardSpins, 4096, \ |
|
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1996 "Number of iterations in a spin loop between checks on " \ |
|
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1997 "time out of hard spin") \ |
|
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1998 \ |
|
1837
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1999 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
546
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2000 "Ratio of hard spins to calls to yield") \ |
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2001 \ |
|
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2002 develop(uintx, ObjArrayMarkingStride, 512, \ |
|
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2003 "Number of object array elements to push onto the marking stack " \ |
|
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2004 "before pushing a continuation entry") \ |
|
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2005 \ |
|
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2006 develop(bool, MetadataAllocationFailALot, false, \ |
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2007 "Fail metadata allocations at intervals controlled by " \ |
|
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2008 "MetadataAllocationFailALotInterval") \ |
|
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2009 \ |
|
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2010 develop(uintx, MetadataAllocationFailALotInterval, 1000, \ |
|
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2011 "Metadata allocation failure a lot interval") \ |
|
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2012 \ |
|
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2013 develop(bool, TraceMetadataChunkAllocation, false, \ |
|
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2014 "Trace chunk metadata allocations") \ |
|
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2015 \ |
|
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2016 product(bool, TraceMetadataHumongousAllocation, false, \ |
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2017 "Trace humongous metadata allocations") \ |
|
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2018 \ |
|
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2019 develop(bool, TraceMetavirtualspaceAllocation, false, \ |
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2020 "Trace virtual space metadata allocations") \ |
|
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|
2021 \ |
| 3779 | 2022 notproduct(bool, ExecuteInternalVMTests, false, \ |
|
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2023 "Enable execution of internal VM tests") \ |
| 3779 | 2024 \ |
|
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|
2025 notproduct(bool, VerboseInternalVMTests, false, \ |
|
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|
2026 "Turn on logging for internal VM tests.") \ |
|
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|
2027 \ |
| 0 | 2028 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
| 2029 \ | |
| 2030 product_pd(bool, ResizeTLAB, \ | |
|
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2031 "Dynamically resize TLAB size for threads") \ |
| 0 | 2032 \ |
| 2033 product(bool, ZeroTLAB, false, \ | |
| 2034 "Zero out the newly created TLAB") \ | |
| 2035 \ | |
|
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|
2036 product(bool, FastTLABRefill, true, \ |
|
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|
2037 "Use fast TLAB refill code") \ |
|
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|
2038 \ |
| 0 | 2039 product(bool, PrintTLAB, false, \ |
| 2040 "Print various TLAB related information") \ | |
| 2041 \ | |
| 2042 product(bool, TLABStats, true, \ | |
|
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2043 "Provide more detailed and expensive TLAB statistics " \ |
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2044 "(with PrintTLAB)") \ |
| 0 | 2045 \ |
|
2192
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|
2046 EMBEDDED_ONLY(product(bool, LowMemoryProtection, true, \ |
|
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|
2047 "Enable LowMemoryProtection")) \ |
|
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|
2048 \ |
| 0 | 2049 product_pd(bool, NeverActAsServerClassMachine, \ |
| 2050 "Never act like a server-class machine") \ | |
| 2051 \ | |
| 2052 product(bool, AlwaysActAsServerClassMachine, false, \ | |
| 2053 "Always act like a server-class machine") \ | |
| 2054 \ | |
| 1064 | 2055 product_pd(uint64_t, MaxRAM, \ |
| 2056 "Real memory size (in bytes) used to set maximum heap size") \ | |
| 2057 \ | |
| 2058 product(uintx, ErgoHeapSizeLimit, 0, \ | |
| 2059 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
| 2060 "MaxRAM / MaxRAMFraction") \ | |
| 2061 \ | |
| 2062 product(uintx, MaxRAMFraction, 4, \ | |
| 2063 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
| 2064 "size") \ | |
| 0 | 2065 \ |
| 2066 product(uintx, DefaultMaxRAMFraction, 4, \ | |
| 1064 | 2067 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
| 2068 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
| 2069 \ | |
| 2070 product(uintx, MinRAMFraction, 2, \ | |
| 2071 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
| 2072 "size on systems with small physical memory size") \ | |
| 2073 \ | |
| 2074 product(uintx, InitialRAMFraction, 64, \ | |
| 2075 "Fraction (1/n) of real memory used for initial heap size") \ | |
| 0 | 2076 \ |
|
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|
2077 develop(uintx, MaxVirtMemFraction, 2, \ |
|
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|
2078 "Maximum fraction (1/n) of virtual memory used for ergonomically "\ |
|
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|
2079 "determining maximum heap size") \ |
|
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|
2080 \ |
| 0 | 2081 product(bool, UseAutoGCSelectPolicy, false, \ |
| 2082 "Use automatic collection selection policy") \ | |
| 2083 \ | |
| 2084 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
|
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|
2085 "Automatic GC selection pause threshold in milliseconds") \ |
| 0 | 2086 \ |
| 2087 product(bool, UseAdaptiveSizePolicy, true, \ | |
| 2088 "Use adaptive generation sizing policies") \ | |
| 2089 \ | |
| 2090 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
| 2091 "Use adaptive survivor sizing policies") \ | |
| 2092 \ | |
| 2093 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
| 2094 "Use adaptive young-old sizing policies at minor collections") \ | |
| 2095 \ | |
| 2096 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
| 2097 "Use adaptive young-old sizing policies at major collections") \ | |
| 2098 \ | |
| 2099 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
|
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|
2100 "Include statistics from System.gc() for adaptive size policy") \ |
| 0 | 2101 \ |
| 2102 product(bool, UseAdaptiveGCBoundary, false, \ | |
| 2103 "Allow young-old boundary to move") \ | |
| 2104 \ | |
| 2105 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
| 2106 "Trace young-old boundary moves") \ | |
| 2107 \ | |
| 2108 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
| 2109 "Resize the virtual spaces of the young or old generations") \ | |
| 2110 \ | |
| 2111 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
|
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|
2112 "Policy for changing generation size for throughput goals") \ |
| 0 | 2113 \ |
| 2114 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
| 2115 "Policy for changing generation size for pause goals") \ | |
| 2116 \ | |
| 2117 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
|
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|
2118 "Adjust tenured generation to achieve a minor pause goal") \ |
| 0 | 2119 \ |
| 2120 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
|
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|
2121 "Adjust young generation to achieve a major pause goal") \ |
| 0 | 2122 \ |
| 2123 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
| 2124 "Number of steps where heuristics is used before data is used") \ | |
| 2125 \ | |
| 2126 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
| 2127 "Number of collections before the adaptive sizing is started") \ | |
| 2128 \ | |
| 2129 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
|
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|
2130 "Collection interval for printing information; zero means never") \ |
| 0 | 2131 \ |
| 2132 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
| 2133 "Use adaptive minimum footprint as a goal") \ | |
| 2134 \ | |
| 2135 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
| 2136 "Weight given to exponential resizing, between 0 and 100") \ | |
| 2137 \ | |
| 2138 product(uintx, AdaptiveTimeWeight, 25, \ | |
| 2139 "Weight given to time in adaptive policy, between 0 and 100") \ | |
| 2140 \ | |
| 2141 product(uintx, PausePadding, 1, \ | |
| 2142 "How much buffer to keep for pause time") \ | |
| 2143 \ | |
| 2144 product(uintx, PromotedPadding, 3, \ | |
| 2145 "How much buffer to keep for promotion failure") \ | |
| 2146 \ | |
| 2147 product(uintx, SurvivorPadding, 3, \ | |
| 2148 "How much buffer to keep for survivor overflow") \ | |
| 2149 \ | |
| 2150 product(uintx, ThresholdTolerance, 10, \ | |
| 2151 "Allowed collection cost difference between generations") \ | |
| 2152 \ | |
| 2153 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
| 1064 | 2154 "If collection costs are within margin, reduce both by full " \ |
| 2155 "delta") \ | |
| 0 | 2156 \ |
| 2157 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
| 2158 "Adaptive size percentage change in young generation") \ | |
| 2159 \ | |
| 2160 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
| 2161 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
| 2162 \ | |
| 2163 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
| 2164 "Decay factor to YoungedGenerationSizeSupplement") \ | |
| 2165 \ | |
| 2166 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
| 2167 "Adaptive size percentage change in tenured generation") \ | |
| 2168 \ | |
| 2169 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
| 2170 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
| 2171 \ | |
| 2172 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
| 2173 "Decay factor to TenuredGenerationSizeIncrement") \ | |
| 2174 \ | |
| 6818 | 2175 product(uintx, MaxGCPauseMillis, max_uintx, \ |
|
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|
2176 "Adaptive size policy maximum GC pause time goal in millisecond, "\ |
|
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|
2177 "or (G1 Only) the maximum GC time per MMU time slice") \ |
| 751 | 2178 \ |
|
1610
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|
2179 product(uintx, GCPauseIntervalMillis, 0, \ |
| 751 | 2180 "Time slice for MMU specification") \ |
| 0 | 2181 \ |
| 2182 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
|
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2183 "Adaptive size policy maximum GC minor pause time goal " \ |
|
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|
2184 "in millisecond") \ |
| 0 | 2185 \ |
| 2186 product(uintx, GCTimeRatio, 99, \ | |
| 2187 "Adaptive size policy application time to GC time ratio") \ | |
| 2188 \ | |
| 2189 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
| 2190 "Adaptive size scale down factor for shrinking") \ | |
| 2191 \ | |
| 2192 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
| 2193 "Adaptive size decays the major cost for long major intervals") \ | |
| 2194 \ | |
| 2195 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
| 2196 "Time scale over which major costs decay") \ | |
| 2197 \ | |
| 2198 product(uintx, MinSurvivorRatio, 3, \ | |
| 2199 "Minimum ratio of young generation/survivor space size") \ | |
| 2200 \ | |
| 2201 product(uintx, InitialSurvivorRatio, 8, \ | |
|
12899
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|
2202 "Initial ratio of young generation/survivor space size") \ |
| 0 | 2203 \ |
| 2204 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
| 2205 "Estimate of footprint other than Java Heap") \ | |
| 2206 \ | |
| 2207 product(bool, UseGCOverheadLimit, true, \ | |
| 2208 "Use policy to limit of proportion of time spent in GC " \ | |
| 2209 "before an OutOfMemory error is thrown") \ | |
| 2210 \ | |
| 2211 product(uintx, GCTimeLimit, 98, \ | |
|
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2212 "Limit of the proportion of time spent in GC before " \ |
|
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|
2213 "an OutOfMemoryError is thrown (used with GCHeapFreeLimit)") \ |
| 0 | 2214 \ |
| 2215 product(uintx, GCHeapFreeLimit, 2, \ | |
| 2216 "Minimum percentage of free space after a full GC before an " \ | |
| 2217 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
| 2218 \ | |
| 2219 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
| 2220 "Number of consecutive collections before gc time limit fires") \ | |
| 2221 \ | |
| 2222 product(bool, PrintAdaptiveSizePolicy, false, \ | |
| 2223 "Print information about AdaptiveSizePolicy") \ | |
| 2224 \ | |
| 2225 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
| 2226 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
| 2227 \ | |
| 2228 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
| 2229 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
| 2230 \ | |
| 2231 product(intx, PrefetchFieldsAhead, -1, \ | |
| 2232 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
| 2233 \ | |
|
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|
2234 diagnostic(bool, VerifySilently, false, \ |
|
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|
2235 "Do not print the verification progress") \ |
|
10186
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|
2236 \ |
|
9071
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|
2237 diagnostic(bool, VerifyDuringStartup, false, \ |
|
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|
2238 "Verify memory system before executing any Java code " \ |
|
68fe50d4f1d5
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|
2239 "during VM initialization") \ |
|
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|
2240 \ |
| 0 | 2241 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ |
| 2242 "Verify system before exiting") \ | |
| 2243 \ | |
| 2244 diagnostic(bool, VerifyBeforeGC, false, \ | |
| 2245 "Verify memory system before GC") \ | |
| 2246 \ | |
| 2247 diagnostic(bool, VerifyAfterGC, false, \ | |
| 2248 "Verify memory system after GC") \ | |
| 2249 \ | |
| 2250 diagnostic(bool, VerifyDuringGC, false, \ | |
| 2251 "Verify memory system during GC (between phases)") \ | |
| 2252 \ | |
| 390 | 2253 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
| 2254 "Enable parallel memory system verification") \ | |
| 2255 \ | |
| 1166 | 2256 diagnostic(bool, DeferInitialCardMark, false, \ |
| 2257 "When +ReduceInitialCardMarks, explicitly defer any that " \ | |
|
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2258 "may arise from new_pre_store_barrier") \ |
| 1166 | 2259 \ |
| 0 | 2260 diagnostic(bool, VerifyRememberedSets, false, \ |
| 2261 "Verify GC remembered sets") \ | |
| 2262 \ | |
| 2263 diagnostic(bool, VerifyObjectStartArray, true, \ | |
| 2264 "Verify GC object start array if verify before/after") \ | |
| 2265 \ | |
| 2266 product(bool, DisableExplicitGC, false, \ | |
|
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2267 "Ignore calls to System.gc()") \ |
| 0 | 2268 \ |
| 2269 notproduct(bool, CheckMemoryInitialization, false, \ | |
|
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2270 "Check memory initialization") \ |
| 0 | 2271 \ |
| 2272 product(bool, CollectGen0First, false, \ | |
| 2273 "Collect youngest generation before each full GC") \ | |
| 2274 \ | |
| 2275 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
| 2276 "Bind CMS Thread to CPU if possible") \ | |
| 2277 \ | |
| 2278 diagnostic(uintx, CPUForCMSThread, 0, \ | |
| 2279 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
| 2280 \ | |
| 2281 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
| 2282 "Bind GCTaskThreads to CPUs if possible") \ | |
| 2283 \ | |
| 2284 product(bool, UseGCTaskAffinity, false, \ | |
| 2285 "Use worker affinity when asking for GCTasks") \ | |
| 2286 \ | |
| 2287 product(uintx, ProcessDistributionStride, 4, \ | |
| 2288 "Stride through processors when distributing processes") \ | |
| 2289 \ | |
| 2290 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
|
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2291 "Number of times the coordinator GC thread will sleep while " \ |
| 0 | 2292 "yielding before giving up and resuming GC") \ |
| 2293 \ | |
| 2294 product(uintx, CMSYieldSleepCount, 0, \ | |
|
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2295 "Number of times a GC thread (minus the coordinator) " \ |
| 0 | 2296 "will sleep while yielding before giving up and resuming GC") \ |
| 2297 \ | |
| 2298 /* gc tracing */ \ | |
| 2299 manageable(bool, PrintGC, false, \ | |
|
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2300 "Print message at garbage collection") \ |
| 0 | 2301 \ |
| 2302 manageable(bool, PrintGCDetails, false, \ | |
|
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2303 "Print more details at garbage collection") \ |
| 0 | 2304 \ |
| 2305 manageable(bool, PrintGCDateStamps, false, \ | |
|
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2306 "Print date stamps at garbage collection") \ |
| 0 | 2307 \ |
| 2308 manageable(bool, PrintGCTimeStamps, false, \ | |
|
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2309 "Print timestamps at garbage collection") \ |
| 0 | 2310 \ |
| 2311 product(bool, PrintGCTaskTimeStamps, false, \ | |
| 2312 "Print timestamps for individual gc worker thread tasks") \ | |
| 2313 \ | |
| 2314 develop(intx, ConcGCYieldTimeout, 0, \ | |
|
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|
2315 "If non-zero, assert that GC threads yield within this " \ |
|
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2316 "number of milliseconds") \ |
| 0 | 2317 \ |
| 2318 notproduct(bool, TraceMarkSweep, false, \ | |
| 2319 "Trace mark sweep") \ | |
| 2320 \ | |
| 2321 product(bool, PrintReferenceGC, false, \ | |
| 2322 "Print times spent handling reference objects during GC " \ | |
|
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2323 "(enabled only when PrintGCDetails)") \ |
| 0 | 2324 \ |
| 2325 develop(bool, TraceReferenceGC, false, \ | |
| 2326 "Trace handling of soft/weak/final/phantom references") \ | |
| 2327 \ | |
| 2328 develop(bool, TraceFinalizerRegistration, false, \ | |
|
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|
2329 "Trace registration of final references") \ |
| 0 | 2330 \ |
| 2331 notproduct(bool, TraceScavenge, false, \ | |
| 2332 "Trace scavenge") \ | |
| 2333 \ | |
| 2334 product_rw(bool, TraceClassLoading, false, \ | |
| 2335 "Trace all classes loaded") \ | |
| 2336 \ | |
| 2337 product(bool, TraceClassLoadingPreorder, false, \ | |
| 2338 "Trace all classes loaded in order referenced (not loaded)") \ | |
| 2339 \ | |
| 2340 product_rw(bool, TraceClassUnloading, false, \ | |
| 2341 "Trace unloading of classes") \ | |
| 2342 \ | |
| 2343 product_rw(bool, TraceLoaderConstraints, false, \ | |
| 2344 "Trace loader constraints") \ | |
| 2345 \ | |
|
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2346 develop(bool, TraceClassLoaderData, false, \ |
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2347 "Trace class loader loader_data lifetime") \ |
|
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|
2348 \ |
|
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|
2349 product(uintx, InitialBootClassLoaderMetaspaceSize, \ |
|
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|
2350 NOT_LP64(2200*K) LP64_ONLY(4*M), \ |
|
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2351 "Initial size of the boot class loader data metaspace") \ |
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|
2352 \ |
| 0 | 2353 product(bool, TraceGen0Time, false, \ |
| 2354 "Trace accumulated time for Gen 0 collection") \ | |
| 2355 \ | |
| 2356 product(bool, TraceGen1Time, false, \ | |
| 2357 "Trace accumulated time for Gen 1 collection") \ | |
| 2358 \ | |
| 2359 product(bool, PrintTenuringDistribution, false, \ | |
| 2360 "Print tenuring age information") \ | |
| 2361 \ | |
| 2362 product_rw(bool, PrintHeapAtGC, false, \ | |
| 2363 "Print heap layout before and after each GC") \ | |
| 2364 \ | |
|
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|
2365 product_rw(bool, PrintHeapAtGCExtended, false, \ |
|
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2366 "Print extended information about the layout of the heap " \ |
|
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|
2367 "when -XX:+PrintHeapAtGC is set") \ |
|
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|
2368 \ |
| 0 | 2369 product(bool, PrintHeapAtSIGBREAK, true, \ |
| 2370 "Print heap layout in response to SIGBREAK") \ | |
| 2371 \ | |
|
615
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|
2372 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
|
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|
2373 "Print a class histogram before any major stop-world GC") \ |
|
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|
2374 \ |
|
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|
2375 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
|
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|
2376 "Print a class histogram after any major stop-world GC") \ |
|
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|
2377 \ |
| 0 | 2378 manageable(bool, PrintClassHistogram, false, \ |
| 2379 "Print a histogram of class instances") \ | |
| 2380 \ | |
| 2381 develop(bool, TraceWorkGang, false, \ | |
| 2382 "Trace activities of work gangs") \ | |
| 2383 \ | |
| 2384 product(bool, TraceParallelOldGCTasks, false, \ | |
| 2385 "Trace multithreaded GC activity") \ | |
| 2386 \ | |
| 2387 develop(bool, TraceBlockOffsetTable, false, \ | |
| 2388 "Print BlockOffsetTable maps") \ | |
| 2389 \ | |
| 2390 develop(bool, TraceCardTableModRefBS, false, \ | |
| 2391 "Print CardTableModRefBS maps") \ | |
| 2392 \ | |
| 2393 develop(bool, TraceGCTaskManager, false, \ | |
| 2394 "Trace actions of the GC task manager") \ | |
| 2395 \ | |
| 2396 develop(bool, TraceGCTaskQueue, false, \ | |
| 2397 "Trace actions of the GC task queues") \ | |
| 2398 \ | |
| 6818 | 2399 diagnostic(bool, TraceGCTaskThread, false, \ |
| 0 | 2400 "Trace actions of the GC task threads") \ |
| 2401 \ | |
| 2402 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
|
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2403 "Print the time taken by each phase in ParallelOldGC " \ |
|
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2404 "(PrintGCDetails must also be enabled)") \ |
| 0 | 2405 \ |
| 2406 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
|
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2407 "Trace marking phase in ParallelOldGC") \ |
| 0 | 2408 \ |
| 2409 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
|
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|
2410 "Trace summary phase in ParallelOldGC") \ |
| 0 | 2411 \ |
| 2412 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
|
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2413 "Trace compaction phase in ParallelOldGC") \ |
| 0 | 2414 \ |
| 2415 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
|
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2416 "Trace dense prefix computation for ParallelOldGC") \ |
| 0 | 2417 \ |
| 2418 develop(bool, IgnoreLibthreadGPFault, false, \ | |
| 2419 "Suppress workaround for libthread GP fault") \ | |
| 2420 \ | |
|
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|
2421 product(bool, PrintJNIGCStalls, false, \ |
|
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2422 "Print diagnostic message when GC is stalled " \ |
|
139
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|
2423 "by JNI critical section") \ |
|
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|
2424 \ |
| 10405 | 2425 experimental(double, ObjectCountCutOffPercent, 0.5, \ |
| 2426 "The percentage of the used heap that the instances of a class " \ | |
|
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2427 "must occupy for the class to generate a trace event") \ |
| 10405 | 2428 \ |
|
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|
2429 /* GC log rotation setting */ \ |
|
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|
2430 \ |
|
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|
2431 product(bool, UseGCLogFileRotation, false, \ |
|
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2432 "Rotate gclog files (for long running applications). It requires "\ |
|
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|
2433 "-Xloggc:<filename>") \ |
|
3767
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|
2434 \ |
|
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|
2435 product(uintx, NumberOfGCLogFiles, 0, \ |
|
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|
2436 "Number of gclog files in rotation " \ |
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|
2437 "(default: 0, no rotation)") \ |
|
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|
2438 \ |
| 17827 | 2439 product(uintx, GCLogFileSize, 8*K, \ |
| 2440 "GC log file size, requires UseGCLogFileRotation. " \ | |
| 2441 "Set to 0 to only trigger rotation via jcmd") \ | |
|
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|
2442 \ |
| 0 | 2443 /* JVMTI heap profiling */ \ |
| 2444 \ | |
| 2445 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
| 2446 "Trace JVMTI object tagging calls") \ | |
| 2447 \ | |
| 2448 diagnostic(bool, VerifyBeforeIteration, false, \ | |
| 2449 "Verify memory system before JVMTI iteration") \ | |
| 2450 \ | |
| 2451 /* compiler interface */ \ | |
| 2452 \ | |
| 2453 develop(bool, CIPrintCompilerName, false, \ | |
| 2454 "when CIPrint is active, print the name of the active compiler") \ | |
| 2455 \ | |
| 2456 develop(bool, CIPrintCompileQueue, false, \ | |
| 2457 "display the contents of the compile queue whenever a " \ | |
| 2458 "compilation is enqueued") \ | |
| 2459 \ | |
| 2460 develop(bool, CIPrintRequests, false, \ | |
| 2461 "display every request for compilation") \ | |
| 2462 \ | |
| 2463 product(bool, CITime, false, \ | |
| 2464 "collect timing information for compilation") \ | |
| 2465 \ | |
| 2466 develop(bool, CITimeEach, false, \ | |
| 2467 "display timing information after each successful compilation") \ | |
| 2468 \ | |
| 6843 | 2469 develop(bool, CICountOSR, false, \ |
| 0 | 2470 "use a separate counter when assigning ids to osr compilations") \ |
| 2471 \ | |
| 2472 develop(bool, CICompileNatives, true, \ | |
| 2473 "compile native methods if supported by the compiler") \ | |
| 2474 \ | |
| 2475 develop_pd(bool, CICompileOSR, \ | |
| 2476 "compile on stack replacement methods if supported by the " \ | |
| 2477 "compiler") \ | |
| 2478 \ | |
| 2479 develop(bool, CIPrintMethodCodes, false, \ | |
| 2480 "print method bytecodes of the compiled code") \ | |
| 2481 \ | |
| 2482 develop(bool, CIPrintTypeFlow, false, \ | |
| 2483 "print the results of ciTypeFlow analysis") \ | |
| 2484 \ | |
| 2485 develop(bool, CITraceTypeFlow, false, \ | |
| 2486 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
| 2487 \ | |
| 2403 | 2488 develop(intx, OSROnlyBCI, -1, \ |
| 2489 "OSR only at this bci. Negative values mean exclude that bci") \ | |
| 2490 \ | |
| 0 | 2491 /* compiler */ \ |
| 2492 \ | |
| 2493 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
| 2494 "Number of compiler threads to run") \ | |
| 2495 \ | |
| 2496 product(intx, CompilationPolicyChoice, 0, \ | |
| 2497 "which compilation policy (0/1)") \ | |
| 2498 \ | |
| 2499 develop(bool, UseStackBanging, true, \ | |
| 2500 "use stack banging for stack overflow checks (required for " \ | |
| 2501 "proper StackOverflow handling; disable only to measure cost " \ | |
| 2502 "of stackbanging)") \ | |
| 2503 \ | |
| 2504 develop(bool, UseStrictFP, true, \ | |
| 2505 "use strict fp if modifier strictfp is set") \ | |
| 2506 \ | |
| 2507 develop(bool, GenerateSynchronizationCode, true, \ | |
| 2508 "generate locking/unlocking code for synchronized methods and " \ | |
| 2509 "monitors") \ | |
| 2510 \ | |
| 2511 develop(bool, GenerateCompilerNullChecks, true, \ | |
| 2512 "Generate explicit null checks for loads/stores/calls") \ | |
| 2513 \ | |
| 2514 develop(bool, GenerateRangeChecks, true, \ | |
| 2515 "Generate range checks for array accesses") \ | |
| 2516 \ | |
| 2517 develop_pd(bool, ImplicitNullChecks, \ | |
|
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2518 "Generate code for implicit null checks") \ |
| 0 | 2519 \ |
|
14440
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|
2520 product_pd(bool, TrapBasedNullChecks, \ |
|
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|
2521 "Generate code for null checks that uses a cmp and trap " \ |
|
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|
2522 "instruction raising SIGTRAP. This is only used if an access to" \ |
|
41b780b43b74
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|
2523 "null (+offset) will not raise a SIGSEGV, i.e.," \ |
|
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|
2524 "ImplicitNullChecks don't work (PPC64).") \ |
|
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|
2525 \ |
| 0 | 2526 product(bool, PrintSafepointStatistics, false, \ |
|
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|
2527 "Print statistics about safepoint synchronization") \ |
| 0 | 2528 \ |
| 2529 product(intx, PrintSafepointStatisticsCount, 300, \ | |
|
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|
2530 "Total number of safepoint statistics collected " \ |
| 0 | 2531 "before printing them out") \ |
| 2532 \ | |
| 2533 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
|
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|
2534 "Print safepoint statistics only when safepoint takes " \ |
|
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|
2535 "more than PrintSafepointSatisticsTimeout in millis") \ |
| 0 | 2536 \ |
|
1321
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|
2537 product(bool, TraceSafepointCleanupTime, false, \ |
|
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|
2538 "Print the break down of clean up tasks performed during " \ |
|
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|
2539 "safepoint") \ |
|
1321
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|
2540 \ |
| 0 | 2541 product(bool, Inline, true, \ |
|
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|
2542 "Enable inlining") \ |
| 0 | 2543 \ |
| 2544 product(bool, ClipInlining, true, \ | |
|
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|
2545 "Clip inlining if aggregate method exceeds DesiredMethodLimit") \ |
| 0 | 2546 \ |
| 2547 develop(bool, UseCHA, true, \ | |
|
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|
2548 "Enable CHA") \ |
| 0 | 2549 \ |
| 2550 product(bool, UseTypeProfile, true, \ | |
| 2551 "Check interpreter profile for historically monomorphic calls") \ | |
| 2552 \ | |
| 2553 notproduct(bool, TimeCompiler, false, \ | |
|
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|
2554 "Time the compiler") \ |
| 0 | 2555 \ |
| 2556 diagnostic(bool, PrintInlining, false, \ | |
|
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|
2557 "Print inlining optimizations") \ |
| 0 | 2558 \ |
|
643
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|
2559 product(bool, UsePopCountInstruction, false, \ |
|
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|
2560 "Use population count instruction") \ |
|
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|
2561 \ |
| 0 | 2562 develop(bool, EagerInitialization, false, \ |
| 2563 "Eagerly initialize classes if possible") \ | |
| 2564 \ | |
| 2565 develop(bool, TraceMethodReplacement, false, \ | |
| 2566 "Print when methods are replaced do to recompilation") \ | |
| 2567 \ | |
| 2568 develop(bool, PrintMethodFlushing, false, \ | |
|
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|
2569 "Print the nmethods being flushed") \ |
| 0 | 2570 \ |
|
14199
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|
2571 diagnostic(bool, PrintMethodFlushingStatistics, false, \ |
|
49a31fd8b93d
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|
2572 "print statistics about method flushing") \ |
|
49a31fd8b93d
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|
2573 \ |
| 0 | 2574 develop(bool, UseRelocIndex, false, \ |
|
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|
2575 "Use an index to speed random access to relocations") \ |
| 0 | 2576 \ |
| 2577 develop(bool, StressCodeBuffers, false, \ | |
|
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|
2578 "Exercise code buffer expansion and other rare state changes") \ |
| 0 | 2579 \ |
| 2580 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
|
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|
2581 "Generate extra debugging information for non-safepoints in " \ |
|
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|
2582 "nmethods") \ |
| 0 | 2583 \ |
| 4066 | 2584 product(bool, PrintVMOptions, false, \ |
|
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|
2585 "Print flags that appeared on the command line") \ |
| 0 | 2586 \ |
| 564 | 2587 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
|
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|
2588 "Ignore unrecognized VM options") \ |
| 564 | 2589 \ |
| 1150 | 2590 product(bool, PrintCommandLineFlags, false, \ |
|
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2591 "Print flags specified on command line or set by ergonomics") \ |
| 1150 | 2592 \ |
| 2593 product(bool, PrintFlagsInitial, false, \ | |
|
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2594 "Print all VM flags before argument processing and exit VM") \ |
| 1150 | 2595 \ |
| 2596 product(bool, PrintFlagsFinal, false, \ | |
|
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2597 "Print all VM flags after argument and ergonomic processing") \ |
| 1150 | 2598 \ |
|
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|
2599 notproduct(bool, PrintFlagsWithComments, false, \ |
|
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2600 "Print all VM flags with default values and descriptions and " \ |
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2601 "exit") \ |
|
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2602 \ |
| 0 | 2603 diagnostic(bool, SerializeVMOutput, true, \ |
|
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2604 "Use a mutex to serialize output to tty and LogFile") \ |
| 0 | 2605 \ |
| 2606 diagnostic(bool, DisplayVMOutput, true, \ | |
|
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2607 "Display all VM output on the tty, independently of LogVMOutput") \ |
| 0 | 2608 \ |
|
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|
2609 diagnostic(bool, LogVMOutput, false, \ |
|
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|
2610 "Save VM output to LogFile") \ |
| 0 | 2611 \ |
| 2612 diagnostic(ccstr, LogFile, NULL, \ | |
|
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2613 "If LogVMOutput or LogCompilation is on, save VM output to " \ |
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|
2614 "this file [default: ./hotspot_pid%p.log] (%p replaced with pid)")\ |
| 0 | 2615 \ |
| 2616 product(ccstr, ErrorFile, NULL, \ | |
|
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|
2617 "If an error occurs, save the error data to this file " \ |
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|
2618 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ |
| 0 | 2619 \ |
| 2620 product(bool, DisplayVMOutputToStderr, false, \ | |
|
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|
2621 "If DisplayVMOutput is true, display all VM output to stderr") \ |
| 0 | 2622 \ |
| 2623 product(bool, DisplayVMOutputToStdout, false, \ | |
|
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|
2624 "If DisplayVMOutput is true, display all VM output to stdout") \ |
| 0 | 2625 \ |
| 2626 product(bool, UseHeavyMonitors, false, \ | |
| 2627 "use heavyweight instead of lightweight Java monitors") \ | |
| 2628 \ | |
| 6162 | 2629 product(bool, PrintStringTableStatistics, false, \ |
| 2630 "print statistics about the StringTable and SymbolTable") \ | |
| 2631 \ | |
|
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|
2632 diagnostic(bool, VerifyStringTableAtExit, false, \ |
|
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|
2633 "verify StringTable contents at exit") \ |
|
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|
2634 \ |
| 0 | 2635 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ |
| 2636 "print histogram of the symbol table") \ | |
| 2637 \ | |
| 2638 notproduct(bool, ExitVMOnVerifyError, false, \ | |
| 2639 "standard exit from VM if bytecode verify error " \ | |
| 2640 "(only in debug mode)") \ | |
| 2641 \ | |
| 2642 notproduct(ccstr, AbortVMOnException, NULL, \ | |
| 2643 "Call fatal if this exception is thrown. Example: " \ | |
| 2644 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
| 2645 \ | |
|
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|
2646 notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ |
|
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|
2647 "Call fatal if the exception pointed by AbortVMOnException " \ |
|
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|
2648 "has this message") \ |
|
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|
2649 \ |
| 0 | 2650 develop(bool, DebugVtables, false, \ |
| 2651 "add debugging code to vtable dispatch") \ | |
| 2652 \ | |
| 2653 develop(bool, PrintVtables, false, \ | |
| 2654 "print vtables when printing klass") \ | |
| 2655 \ | |
| 2656 notproduct(bool, PrintVtableStats, false, \ | |
| 2657 "print vtables stats at end of run") \ | |
| 2658 \ | |
| 2659 develop(bool, TraceCreateZombies, false, \ | |
| 2660 "trace creation of zombie nmethods") \ | |
| 2661 \ | |
| 2662 notproduct(bool, IgnoreLockingAssertions, false, \ | |
| 2663 "disable locking assertions (for speed)") \ | |
| 2664 \ | |
| 2665 product(bool, RangeCheckElimination, true, \ | |
| 8860 | 2666 "Eliminate range checks") \ |
| 0 | 2667 \ |
| 2668 develop_pd(bool, UncommonNullCast, \ | |
| 2669 "track occurrences of null in casts; adjust compiler tactics") \ | |
| 2670 \ | |
| 2671 develop(bool, TypeProfileCasts, true, \ | |
| 2672 "treat casts like calls for purposes of type profiling") \ | |
| 2673 \ | |
| 2674 develop(bool, DelayCompilationDuringStartup, true, \ | |
| 2675 "Delay invoking the compiler until main application class is " \ | |
| 2676 "loaded") \ | |
| 2677 \ | |
| 2678 develop(bool, CompileTheWorld, false, \ | |
| 2679 "Compile all methods in all classes in bootstrap class path " \ | |
| 2680 "(stress test)") \ | |
| 2681 \ | |
| 2682 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
| 2683 "Preload all classes used by a class before start loading") \ | |
| 2684 \ | |
|
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|
2685 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ |
|
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|
2686 "Force a safepoint every n compiles so sweeper can keep up") \ |
|
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|
2687 \ |
| 0 | 2688 develop(bool, FillDelaySlots, true, \ |
| 2689 "Fill delay slots (on SPARC only)") \ | |
| 2690 \ | |
| 2691 develop(bool, TimeLivenessAnalysis, false, \ | |
| 2692 "Time computation of bytecode liveness analysis") \ | |
| 2693 \ | |
| 2694 develop(bool, TraceLivenessGen, false, \ | |
| 2695 "Trace the generation of liveness analysis information") \ | |
| 2696 \ | |
| 2697 notproduct(bool, TraceLivenessQuery, false, \ | |
| 2698 "Trace queries of liveness analysis information") \ | |
| 2699 \ | |
| 2700 notproduct(bool, CollectIndexSetStatistics, false, \ | |
| 2701 "Collect information about IndexSets") \ | |
| 2702 \ | |
| 2703 develop(bool, UseLoopSafepoints, true, \ | |
| 2704 "Generate Safepoint nodes in every loop") \ | |
| 2705 \ | |
| 2706 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
| 2707 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
| 2708 "Inline allocations larger than this in doublewords must go slow")\ | |
| 2709 \ | |
| 2710 product(bool, AggressiveOpts, false, \ | |
| 2711 "Enable aggressive optimizations - see arguments.cpp") \ | |
| 2712 \ | |
|
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|
2713 product_pd(uintx, TypeProfileLevel, \ |
|
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|
2714 "=XYZ, with Z: Type profiling of arguments at call; " \ |
|
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|
2715 "Y: Type profiling of return value at call; " \ |
|
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|
2716 "X: Type profiling of parameters to methods; " \ |
|
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|
2717 "X, Y and Z in 0=off ; 1=jsr292 only; 2=all methods") \ |
|
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|
2718 \ |
|
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|
2719 product(intx, TypeProfileArgsLimit, 2, \ |
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|
2720 "max number of call arguments to consider for type profiling") \ |
|
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|
2721 \ |
|
12962
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|
2722 product(intx, TypeProfileParmsLimit, 2, \ |
|
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|
2723 "max number of incoming parameters to consider for type profiling"\ |
|
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|
2724 ", -1 for all") \ |
|
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|
2725 \ |
| 0 | 2726 /* statistics */ \ |
| 2727 develop(bool, CountCompiledCalls, false, \ | |
|
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|
2728 "Count method invocations") \ |
| 0 | 2729 \ |
| 2730 notproduct(bool, CountRuntimeCalls, false, \ | |
|
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|
2731 "Count VM runtime calls") \ |
| 0 | 2732 \ |
| 2733 develop(bool, CountJNICalls, false, \ | |
|
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|
2734 "Count jni method invocations") \ |
| 0 | 2735 \ |
| 2736 notproduct(bool, CountJVMCalls, false, \ | |
|
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|
2737 "Count jvm method invocations") \ |
| 0 | 2738 \ |
| 2739 notproduct(bool, CountRemovableExceptions, false, \ | |
|
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|
2740 "Count exceptions that could be replaced by branches due to " \ |
| 0 | 2741 "inlining") \ |
| 2742 \ | |
| 2743 notproduct(bool, ICMissHistogram, false, \ | |
|
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|
2744 "Produce histogram of IC misses") \ |
| 0 | 2745 \ |
| 2746 notproduct(bool, PrintClassStatistics, false, \ | |
|
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|
2747 "Print class statistics at end of run") \ |
| 0 | 2748 \ |
| 2749 notproduct(bool, PrintMethodStatistics, false, \ | |
|
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|
2750 "Print method statistics at end of run") \ |
| 0 | 2751 \ |
| 2752 /* interpreter */ \ | |
| 2753 develop(bool, ClearInterpreterLocals, false, \ | |
| 2754 "Always clear local variables of interpreter activations upon " \ | |
| 2755 "entry") \ | |
| 2756 \ | |
| 2757 product_pd(bool, RewriteBytecodes, \ | |
| 2758 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
| 2759 \ | |
| 2760 product_pd(bool, RewriteFrequentPairs, \ | |
| 2761 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
| 2762 \ | |
|
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|
2763 diagnostic(bool, PrintInterpreter, false, \ |
|
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|
2764 "Print the generated interpreter code") \ |
| 0 | 2765 \ |
| 2766 product(bool, UseInterpreter, true, \ | |
| 2767 "Use interpreter for non-compiled methods") \ | |
| 2768 \ | |
| 2769 develop(bool, UseFastSignatureHandlers, true, \ | |
| 2770 "Use fast signature handlers for native calls") \ | |
| 2771 \ | |
| 2772 product(bool, UseLoopCounter, true, \ | |
| 2773 "Increment invocation counter on backward branch") \ | |
| 2774 \ | |
| 2775 product(bool, UseFastEmptyMethods, true, \ | |
| 2776 "Use fast method entry code for empty methods") \ | |
| 2777 \ | |
| 2778 product(bool, UseFastAccessorMethods, true, \ | |
| 2779 "Use fast method entry code for accessor methods") \ | |
| 2780 \ | |
| 2781 product_pd(bool, UseOnStackReplacement, \ | |
|
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|
2782 "Use on stack replacement, calls runtime if invoc. counter " \ |
|
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|
2783 "overflows in loop") \ |
| 0 | 2784 \ |
| 2785 notproduct(bool, TraceOnStackReplacement, false, \ | |
| 2786 "Trace on stack replacement") \ | |
| 2787 \ | |
| 2788 product_pd(bool, PreferInterpreterNativeStubs, \ | |
| 2789 "Use always interpreter stubs for native methods invoked via " \ | |
| 2790 "interpreter") \ | |
| 2791 \ | |
| 2792 develop(bool, CountBytecodes, false, \ | |
| 2793 "Count number of bytecodes executed") \ | |
| 2794 \ | |
| 2795 develop(bool, PrintBytecodeHistogram, false, \ | |
| 2796 "Print histogram of the executed bytecodes") \ | |
| 2797 \ | |
| 2798 develop(bool, PrintBytecodePairHistogram, false, \ | |
| 2799 "Print histogram of the executed bytecode pairs") \ | |
| 2800 \ | |
|
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|
2801 diagnostic(bool, PrintSignatureHandlers, false, \ |
| 0 | 2802 "Print code generated for native method signature handlers") \ |
| 2803 \ | |
| 2804 develop(bool, VerifyOops, false, \ | |
| 2805 "Do plausibility checks for oops") \ | |
| 2806 \ | |
| 2807 develop(bool, CheckUnhandledOops, false, \ | |
| 2808 "Check for unhandled oops in VM code") \ | |
| 2809 \ | |
| 2810 develop(bool, VerifyJNIFields, trueInDebug, \ | |
| 2811 "Verify jfieldIDs for instance fields") \ | |
| 2812 \ | |
| 2813 notproduct(bool, VerifyJNIEnvThread, false, \ | |
| 2814 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
| 2815 "from JNI") \ | |
| 2816 \ | |
| 2817 develop(bool, VerifyFPU, false, \ | |
| 2818 "Verify FPU state (check for NaN's, etc.)") \ | |
| 2819 \ | |
| 2820 develop(bool, VerifyThread, false, \ | |
| 2821 "Watch the thread register for corruption (SPARC only)") \ | |
| 2822 \ | |
| 2823 develop(bool, VerifyActivationFrameSize, false, \ | |
| 2824 "Verify that activation frame didn't become smaller than its " \ | |
| 2825 "minimal size") \ | |
| 2826 \ | |
| 2827 develop(bool, TraceFrequencyInlining, false, \ | |
| 2828 "Trace frequency based inlining") \ | |
| 2829 \ | |
| 2830 develop_pd(bool, InlineIntrinsics, \ | |
|
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|
2831 "Inline intrinsics that can be statically resolved") \ |
| 0 | 2832 \ |
| 2833 product_pd(bool, ProfileInterpreter, \ | |
|
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|
2834 "Profile at the bytecode level during interpretation") \ |
| 0 | 2835 \ |
|
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|
2836 develop(bool, TraceProfileInterpreter, false, \ |
|
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|
2837 "Trace profiling at the bytecode level during interpretation. " \ |
|
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|
2838 "This outputs the profiling information collected to improve " \ |
|
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|
2839 "jit compilation.") \ |
|
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|
2840 \ |
| 0 | 2841 develop_pd(bool, ProfileTraps, \ |
| 2842 "Profile deoptimization traps at the bytecode level") \ | |
| 2843 \ | |
| 2844 product(intx, ProfileMaturityPercentage, 20, \ | |
| 2845 "number of method invocations/branches (expressed as % of " \ | |
| 2846 "CompileThreshold) before using the method's profile") \ | |
| 2847 \ | |
| 2848 develop(bool, PrintMethodData, false, \ | |
|
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|
2849 "Print the results of +ProfileInterpreter at end of run") \ |
| 0 | 2850 \ |
| 2851 develop(bool, VerifyDataPointer, trueInDebug, \ | |
| 2852 "Verify the method data pointer during interpreter profiling") \ | |
| 2853 \ | |
| 2854 develop(bool, VerifyCompiledCode, false, \ | |
| 2855 "Include miscellaneous runtime verifications in nmethod code; " \ | |
| 1064 | 2856 "default off because it disturbs nmethod size heuristics") \ |
| 0 | 2857 \ |
|
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|
2858 notproduct(bool, CrashGCForDumpingJavaThread, false, \ |
|
547f81740344
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|
2859 "Manually make GC thread crash then dump java stack trace; " \ |
|
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|
2860 "Test only") \ |
| 0 | 2861 \ |
| 2862 /* compilation */ \ | |
| 2863 product(bool, UseCompiler, true, \ | |
|
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|
2864 "Use Just-In-Time compilation") \ |
| 0 | 2865 \ |
| 2866 develop(bool, TraceCompilationPolicy, false, \ | |
| 2867 "Trace compilation policy") \ | |
| 2868 \ | |
| 2869 develop(bool, TimeCompilationPolicy, false, \ | |
| 2870 "Time the compilation policy") \ | |
| 2871 \ | |
| 2872 product(bool, UseCounterDecay, true, \ | |
|
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|
2873 "Adjust recompilation counters") \ |
| 0 | 2874 \ |
| 2875 develop(intx, CounterHalfLifeTime, 30, \ | |
|
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12287
diff
changeset
|
2876 "Half-life time of invocation counters (in seconds)") \ |
| 0 | 2877 \ |
| 2878 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2879 "The minimum interval (in milliseconds) between invocation of " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2880 "CounterDecay") \ |
| 0 | 2881 \ |
| 2882 product(bool, AlwaysCompileLoopMethods, false, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2883 "When using recompilation, never interpret methods " \ |
| 0 | 2884 "containing loops") \ |
| 2885 \ | |
| 2886 product(bool, DontCompileHugeMethods, true, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2887 "Do not compile methods > HugeMethodLimit") \ |
| 0 | 2888 \ |
| 2889 /* Bytecode escape analysis estimation. */ \ | |
| 2890 product(bool, EstimateArgEscape, true, \ | |
| 2891 "Analyze bytecodes to estimate escape state of arguments") \ | |
| 2892 \ | |
| 2893 product(intx, BCEATraceLevel, 0, \ | |
| 2894 "How much tracing to do of bytecode escape analysis estimates") \ | |
| 2895 \ | |
| 2896 product(intx, MaxBCEAEstimateLevel, 5, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2897 "Maximum number of nested calls that are analyzed by BC EA") \ |
| 0 | 2898 \ |
| 2899 product(intx, MaxBCEAEstimateSize, 150, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2900 "Maximum bytecode size of a method to be analyzed by BC EA") \ |
| 0 | 2901 \ |
| 2902 product(intx, AllocatePrefetchStyle, 1, \ | |
| 2903 "0 = no prefetch, " \ | |
| 2904 "1 = prefetch instructions for each allocation, " \ | |
|
1367
9e321dcfa5b7
6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents:
1366
diff
changeset
|
2905 "2 = use TLAB watermark to gate allocation prefetch, " \ |
|
9e321dcfa5b7
6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents:
1366
diff
changeset
|
2906 "3 = use BIS instruction on Sparc for allocation prefetch") \ |
| 0 | 2907 \ |
| 2908 product(intx, AllocatePrefetchDistance, -1, \ | |
| 2909 "Distance to prefetch ahead of allocation pointer") \ | |
| 2910 \ | |
| 3854 | 2911 product(intx, AllocatePrefetchLines, 3, \ |
| 2912 "Number of lines to prefetch ahead of array allocation pointer") \ | |
| 2913 \ | |
| 2914 product(intx, AllocateInstancePrefetchLines, 1, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2915 "Number of lines to prefetch ahead of instance allocation " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2916 "pointer") \ |
| 0 | 2917 \ |
| 2918 product(intx, AllocatePrefetchStepSize, 16, \ | |
| 2919 "Step size in bytes of sequential prefetch instructions") \ | |
| 2920 \ | |
| 2921 product(intx, AllocatePrefetchInstr, 0, \ | |
| 2922 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
| 2923 \ | |
| 2924 /* deoptimization */ \ | |
|
2607
008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2492
diff
changeset
|
2925 product(bool, TraceDeoptimization, false, \ |
| 0 | 2926 "Trace deoptimization") \ |
| 2927 \ | |
|
4668
3dbcd1013cc8
added flag PrintDeoptimizationDetails
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4561
diff
changeset
|
2928 product(bool, PrintDeoptimizationDetails, false, \ |
|
3dbcd1013cc8
added flag PrintDeoptimizationDetails
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4561
diff
changeset
|
2929 "Print more information about deoptimization") \ |
|
3dbcd1013cc8
added flag PrintDeoptimizationDetails
Christian Haeubl <christian.haeubl@oracle.com>
parents:
4561
diff
changeset
|
2930 \ |
| 0 | 2931 develop(bool, DebugDeoptimization, false, \ |
| 2932 "Tracing various information while debugging deoptimization") \ | |
| 2933 \ | |
| 2934 product(intx, SelfDestructTimer, 0, \ | |
| 2935 "Will cause VM to terminate after a given time (in minutes) " \ | |
| 2936 "(0 means off)") \ | |
| 2937 \ | |
| 2938 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
|
12836
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tamao
parents:
12287
diff
changeset
|
2939 "The maximum number of lines in the stack trace for Java " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2940 "exceptions (0 means all)") \ |
| 0 | 2941 \ |
|
3328
277d0f6ca64d
7005503: Make GuaranteedSafepointInterval a diagnostic flag
kevinw
parents:
3255
diff
changeset
|
2942 NOT_EMBEDDED(diagnostic(intx, GuaranteedSafepointInterval, 1000, \ |
| 0 | 2943 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2944 "(0 means none)")) \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2945 \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2946 EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0, \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2947 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2948 "(0 means none)")) \ |
| 0 | 2949 \ |
| 2950 product(intx, SafepointTimeoutDelay, 10000, \ | |
| 2951 "Delay in milliseconds for option SafepointTimeout") \ | |
| 2952 \ | |
| 6818 | 2953 product(intx, NmethodSweepFraction, 16, \ |
| 0 | 2954 "Number of invocations of sweeper to cover all nmethods") \ |
| 2955 \ | |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2956 product(intx, NmethodSweepCheckInterval, 5, \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2957 "Compilers wake up every n seconds to possibly sweep nmethods") \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2958 \ |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2959 product(intx, NmethodSweepActivity, 10, \ |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2960 "Removes cold nmethods from code cache if > 0. Higher values " \ |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2961 "result in more aggressive sweeping") \ |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2962 \ |
|
3384
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2963 notproduct(bool, LogSweeper, false, \ |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2964 "Keep a ring buffer of sweeper activity") \ |
|
3384
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2965 \ |
|
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2966 notproduct(intx, SweeperLogEntries, 1024, \ |
|
12836
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tamao
parents:
12287
diff
changeset
|
2967 "Number of records in the ring buffer of sweeper activity") \ |
|
3384
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2968 \ |
| 0 | 2969 notproduct(intx, MemProfilingInterval, 500, \ |
| 2970 "Time between each invocation of the MemProfiler") \ | |
| 2971 \ | |
| 2972 develop(intx, MallocCatchPtr, -1, \ | |
| 2973 "Hit breakpoint when mallocing/freeing this pointer") \ | |
| 2974 \ | |
| 2975 notproduct(intx, AssertRepeat, 1, \ | |
| 2976 "number of times to evaluate expression in assert " \ | |
| 2977 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
| 2978 \ | |
| 2979 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
| 2980 "List of assertions (file:line) to muzzle") \ | |
| 2981 \ | |
| 2982 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
| 2983 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
| 2984 "is used") \ | |
| 2985 \ | |
| 2986 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
| 2987 "Threshold for total handle allocation when " \ | |
| 2988 "+TraceHandleAllocation is used") \ | |
| 2989 \ | |
| 2990 develop(intx, StackPrintLimit, 100, \ | |
| 2991 "number of stack frames to print in VM-level stack dump") \ | |
| 2992 \ | |
| 2993 notproduct(intx, MaxElementPrintSize, 256, \ | |
| 2994 "maximum number of elements to print") \ | |
| 2995 \ | |
| 2996 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
| 2997 "maximum number of subklasses to print when printing klass") \ | |
| 2998 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2999 product(intx, MaxInlineLevel, 9, \ |
| 0 | 3000 "maximum number of nested calls that are inlined") \ |
| 3001 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
3002 product(intx, MaxRecursiveInlineLevel, 1, \ |
| 0 | 3003 "maximum number of nested recursive calls that are inlined") \ |
| 3004 \ | |
|
13081
e74074c34312
8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents:
13074
diff
changeset
|
3005 develop(intx, MaxForceInlineLevel, 100, \ |
|
17819
f47fa50d9b9c
8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents:
17810
diff
changeset
|
3006 "maximum number of nested calls that are forced for inlining " \ |
|
f47fa50d9b9c
8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents:
17810
diff
changeset
|
3007 "(using CompilerOracle or marked w/ @ForceInline)") \ |
|
13081
e74074c34312
8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents:
13074
diff
changeset
|
3008 \ |
| 675 | 3009 product_pd(intx, InlineSmallCode, \ |
| 0 | 3010 "Only inline already compiled methods if their code size is " \ |
| 3011 "less than this") \ | |
| 3012 \ | |
| 3013 product(intx, MaxInlineSize, 35, \ | |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3014 "The maximum bytecode size of a method to be inlined") \ |
| 0 | 3015 \ |
| 3016 product_pd(intx, FreqInlineSize, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3017 "The maximum bytecode size of a frequent method to be inlined") \ |
| 0 | 3018 \ |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
3019 product(intx, MaxTrivialSize, 6, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3020 "The maximum bytecode size of a trivial method to be inlined") \ |
| 0 | 3021 \ |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
3022 product(intx, MinInliningThreshold, 250, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3023 "The minimum invocation count a method needs to have to be " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3024 "inlined") \ |
| 0 | 3025 \ |
| 3026 develop(intx, MethodHistogramCutoff, 100, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3027 "The cutoff value for method invocation histogram (+CountCalls)") \ |
| 0 | 3028 \ |
| 3029 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3030 "Number of interpreted methods to show in profile") \ |
| 0 | 3031 \ |
| 3032 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3033 "Number of compiled methods to show in profile") \ |
| 0 | 3034 \ |
| 3035 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3036 "Number of stub methods to show in profile") \ |
| 0 | 3037 \ |
| 3038 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3039 "Number of runtime stub nodes to show in profile") \ |
| 0 | 3040 \ |
| 3041 product(intx, ProfileIntervalsTicks, 100, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3042 "Number of ticks between printing of interval profile " \ |
| 0 | 3043 "(+ProfileIntervals)") \ |
| 3044 \ | |
| 3045 notproduct(intx, ScavengeALotInterval, 1, \ | |
| 3046 "Interval between which scavenge will occur with +ScavengeALot") \ | |
| 3047 \ | |
| 3048 notproduct(intx, FullGCALotInterval, 1, \ | |
| 3049 "Interval between which full gc will occur with +FullGCALot") \ | |
| 3050 \ | |
| 3051 notproduct(intx, FullGCALotStart, 0, \ | |
| 3052 "For which invocation to start FullGCAlot") \ | |
| 3053 \ | |
| 3054 notproduct(intx, FullGCALotDummies, 32*K, \ | |
| 3055 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
| 3056 "to move") \ | |
| 3057 \ | |
| 3058 develop(intx, DontYieldALotInterval, 10, \ | |
| 3059 "Interval between which yields will be dropped (milliseconds)") \ | |
| 3060 \ | |
| 3061 develop(intx, MinSleepInterval, 1, \ | |
| 3062 "Minimum sleep() interval (milliseconds) when " \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3063 "ConvertSleepToYield is off (used for Solaris)") \ |
| 0 | 3064 \ |
| 3065 develop(intx, ProfilerPCTickThreshold, 15, \ | |
| 3066 "Number of ticks in a PC buckets to be a hotspot") \ | |
| 3067 \ | |
| 3068 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
| 3069 "Number of exits until DeoptimizeALot kicks in") \ | |
| 3070 \ | |
| 3071 notproduct(intx, ZombieALotInterval, 5, \ | |
| 3072 "Number of exits until ZombieALot kicks in") \ | |
| 3073 \ | |
| 3074 diagnostic(intx, MallocVerifyInterval, 0, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3075 "If non-zero, verify C heap after every N calls to " \ |
| 0 | 3076 "malloc/realloc/free") \ |
| 3077 \ | |
| 3078 diagnostic(intx, MallocVerifyStart, 0, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3079 "If non-zero, start verifying C heap after Nth call to " \ |
| 0 | 3080 "malloc/realloc/free") \ |
| 3081 \ | |
|
8802
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents:
8706
diff
changeset
|
3082 diagnostic(uintx, MallocMaxTestWords, 0, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3083 "If non-zero, maximum number of words that malloc/realloc can " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3084 "allocate (for testing only)") \ |
|
8802
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents:
8706
diff
changeset
|
3085 \ |
|
15690
d3c33144cab5
make TypeProfileWidth pd
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15433
diff
changeset
|
3086 product_pd(intx, TypeProfileWidth, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3087 "Number of receiver types to record in call/cast profile") \ |
| 0 | 3088 \ |
|
9760
c76b43ed5089
Added infrastructure for recording invoked methods in the profiling information.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9627
diff
changeset
|
3089 product_pd(intx, MethodProfileWidth, \ |
|
c76b43ed5089
Added infrastructure for recording invoked methods in the profiling information.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9627
diff
changeset
|
3090 "number of methods to record in call profile") \ |
|
c76b43ed5089
Added infrastructure for recording invoked methods in the profiling information.
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9627
diff
changeset
|
3091 \ |
| 0 | 3092 develop(intx, BciProfileWidth, 2, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3093 "Number of return bci's to record in ret profile") \ |
| 0 | 3094 \ |
| 3095 product(intx, PerMethodRecompilationCutoff, 400, \ | |
| 3096 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
| 3097 \ | |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
3098 product(intx, PerBytecodeRecompilationCutoff, 200, \ |
| 0 | 3099 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ |
| 3100 \ | |
| 3101 product(intx, PerMethodTrapLimit, 100, \ | |
| 3102 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
| 3103 \ | |
|
17728
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3104 experimental(intx, PerMethodSpecTrapLimit, 5000, \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3105 "Limit on speculative traps (of one kind) in a method (includes inlines)") \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3106 \ |
| 0 | 3107 product(intx, PerBytecodeTrapLimit, 4, \ |
| 3108 "Limit on traps (of one kind) at a particular BCI") \ | |
| 3109 \ | |
|
17728
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3110 experimental(intx, SpecTrapLimitExtraEntries, 3, \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3111 "Extra method data trap entries for speculation") \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3112 \ |
| 0 | 3113 develop(intx, InlineFrequencyRatio, 20, \ |
| 3114 "Ratio of call site execution to caller method invocation") \ | |
| 3115 \ | |
| 3116 develop_pd(intx, InlineFrequencyCount, \ | |
| 3117 "Count of call site execution necessary to trigger frequent " \ | |
| 3118 "inlining") \ | |
| 3119 \ | |
| 3120 develop(intx, InlineThrowCount, 50, \ | |
| 3121 "Force inlining of interpreted methods that throw this often") \ | |
| 3122 \ | |
| 3123 develop(intx, InlineThrowMaxSize, 200, \ | |
| 3124 "Force inlining of throwing methods smaller than this") \ | |
| 3125 \ | |
| 3126 develop(intx, ProfilerNodeSize, 1024, \ | |
| 3127 "Size in K to allocate for the Profile Nodes of each thread") \ | |
| 3128 \ | |
| 3129 product_pd(intx, PreInflateSpin, \ | |
| 3130 "Number of times to spin wait before inflation") \ | |
| 3131 \ | |
| 3132 /* gc parameters */ \ | |
| 1064 | 3133 product(uintx, InitialHeapSize, 0, \ |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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10208
diff
changeset
|
3134 "Initial heap size (in bytes); zero means use ergonomics") \ |
| 1064 | 3135 \ |
| 3136 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
| 3137 "Maximum heap size (in bytes)") \ | |
| 3138 \ | |
| 3139 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
| 3140 "Initial tenured generation size (in bytes)") \ | |
| 3141 \ | |
|
1287
8911d8c0596f
6923123: Hotspot refuses to start when -Xmx4m or -Xms4m is specified
phh
parents:
1211
diff
changeset
|
3142 product(uintx, NewSize, ScaleForWordSize(1*M), \ |
| 1064 | 3143 "Initial new generation size (in bytes)") \ |
| 0 | 3144 \ |
| 3145 product(uintx, MaxNewSize, max_uintx, \ | |
| 1064 | 3146 "Maximum new generation size (in bytes), max_uintx means set " \ |
| 3147 "ergonomically") \ | |
| 0 | 3148 \ |
| 3149 product(uintx, PretenureSizeThreshold, 0, \ | |
| 1064 | 3150 "Maximum size in bytes of objects allocated in DefNew " \ |
| 3151 "generation; zero means no maximum") \ | |
| 3152 \ | |
| 3153 product(uintx, TLABSize, 0, \ | |
| 3154 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
| 0 | 3155 \ |
| 3156 product(uintx, MinTLABSize, 2*K, \ | |
| 3157 "Minimum allowed TLAB size (in bytes)") \ | |
| 3158 \ | |
| 3159 product(uintx, TLABAllocationWeight, 35, \ | |
| 3160 "Allocation averaging weight") \ | |
| 3161 \ | |
| 3162 product(uintx, TLABWasteTargetPercent, 1, \ | |
| 3163 "Percentage of Eden that can be wasted") \ | |
| 3164 \ | |
| 3165 product(uintx, TLABRefillWasteFraction, 64, \ | |
|
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|
3166 "Maximum TLAB waste at a refill (internal fragmentation)") \ |
| 0 | 3167 \ |
| 3168 product(uintx, TLABWasteIncrement, 4, \ | |
| 3169 "Increment allowed waste at slow allocation") \ | |
| 3170 \ | |
| 8035 | 3171 product(uintx, SurvivorRatio, 8, \ |
| 0 | 3172 "Ratio of eden/survivor space size") \ |
| 3173 \ | |
| 8035 | 3174 product(uintx, NewRatio, 2, \ |
|
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|
3175 "Ratio of old/new generation sizes") \ |
| 0 | 3176 \ |
| 3177 product_pd(uintx, NewSizeThreadIncrease, \ | |
| 3178 "Additional size added to desired new generation size per " \ | |
| 3179 "non-daemon thread (in bytes)") \ | |
| 3180 \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6633
diff
changeset
|
3181 product_pd(uintx, MetaspaceSize, \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6633
diff
changeset
|
3182 "Initial size of Metaspaces (in bytes)") \ |
|
da91efe96a93
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coleenp
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6633
diff
changeset
|
3183 \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6633
diff
changeset
|
3184 product(uintx, MaxMetaspaceSize, max_uintx, \ |
|
da91efe96a93
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coleenp
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6633
diff
changeset
|
3185 "Maximum size of Metaspaces (in bytes)") \ |
|
da91efe96a93
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coleenp
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6633
diff
changeset
|
3186 \ |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3187 product(uintx, CompressedClassSpaceSize, 1*G, \ |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3188 "Maximum size of class area in Metaspace when compressed " \ |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3189 "class pointers are used") \ |
| 0 | 3190 \ |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3191 manageable(uintx, MinHeapFreeRatio, 40, \ |
|
12892
9c8289162268
8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents:
12838
diff
changeset
|
3192 "The minimum percentage of heap free after GC to avoid expansion."\ |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3193 " For most GCs this applies to the old generation. In G1 and" \ |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3194 " ParallelGC it applies to the whole heap.") \ |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3195 \ |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14236
diff
changeset
|
3196 manageable(uintx, MaxHeapFreeRatio, 70, \ |
|
12892
9c8289162268
8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents:
12838
diff
changeset
|
3197 "The maximum percentage of heap free after GC to avoid shrinking."\ |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3198 " For most GCs this applies to the old generation. In G1 and" \ |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14236
diff
changeset
|
3199 " ParallelGC it applies to the whole heap.") \ |
| 0 | 3200 \ |
| 3201 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
| 3202 "Number of milliseconds per MB of free space in the heap") \ | |
| 3203 \ | |
| 3204 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
|
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|
3205 "The minimum change in heap space due to GC (in bytes)") \ |
| 0 | 3206 \ |
| 6818 | 3207 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \ |
|
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changeset
|
3208 "The minimum expansion of Metaspace (in bytes)") \ |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8035
diff
changeset
|
3209 \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8035
diff
changeset
|
3210 product(uintx, MinMetaspaceFreeRatio, 40, \ |
|
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changeset
|
3211 "The minimum percentage of Metaspace free after GC to avoid " \ |
|
b4d8a3d4db73
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changeset
|
3212 "expansion") \ |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8035
diff
changeset
|
3213 \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8035
diff
changeset
|
3214 product(uintx, MaxMetaspaceFreeRatio, 70, \ |
|
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|
3215 "The maximum percentage of Metaspace free after GC to avoid " \ |
|
b4d8a3d4db73
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|
3216 "shrinking") \ |
| 0 | 3217 \ |
| 6818 | 3218 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \ |
|
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|
3219 "The maximum expansion of Metaspace without full GC (in bytes)") \ |
| 0 | 3220 \ |
|
10287
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6843347: Boundary values in some public GC options cause crashes
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10241
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changeset
|
3221 product(uintx, QueuedAllocationWarningCount, 0, \ |
| 0 | 3222 "Number of times an allocation that queues behind a GC " \ |
| 3223 "will retry before printing a warning") \ | |
| 3224 \ | |
| 3225 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
| 3226 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
| 3227 \ | |
| 3228 diagnostic(intx, VerifyGCLevel, 0, \ | |
| 3229 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
| 3230 \ | |
| 6818 | 3231 product(uintx, MaxTenuringThreshold, 15, \ |
| 0 | 3232 "Maximum value for tenuring threshold") \ |
| 3233 \ | |
| 6818 | 3234 product(uintx, InitialTenuringThreshold, 7, \ |
| 0 | 3235 "Initial value for tenuring threshold") \ |
| 3236 \ | |
| 8035 | 3237 product(uintx, TargetSurvivorRatio, 50, \ |
| 0 | 3238 "Desired percentage of survivor space used after scavenge") \ |
| 3239 \ | |
| 438 | 3240 product(uintx, MarkSweepDeadRatio, 5, \ |
|
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|
3241 "Percentage (0-100) of the old gen allowed as dead wood. " \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3242 "Serial mark sweep treats this as both the minimum and maximum " \ |
|
b4d8a3d4db73
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changeset
|
3243 "value. " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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diff
changeset
|
3244 "CMS uses this value only if it falls back to mark sweep. " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3245 "Par compact uses a variable scale based on the density of the " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3246 "generation and treats this as the maximum value when the heap " \ |
|
b4d8a3d4db73
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diff
changeset
|
3247 "is either completely full or completely empty. Par compact " \ |
|
b4d8a3d4db73
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diff
changeset
|
3248 "also has a smaller default value; see arguments.cpp.") \ |
| 0 | 3249 \ |
|
10287
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6843347: Boundary values in some public GC options cause crashes
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changeset
|
3250 product(uintx, MarkSweepAlwaysCompactCount, 4, \ |
| 0 | 3251 "How often should we fully compact the heap (ignoring the dead " \ |
| 3252 "space parameters)") \ | |
| 3253 \ | |
| 3254 product(intx, PrintCMSStatistics, 0, \ | |
| 3255 "Statistics for CMS") \ | |
| 3256 \ | |
| 3257 product(bool, PrintCMSInitiationStatistics, false, \ | |
| 3258 "Statistics for initiating a CMS collection") \ | |
| 3259 \ | |
| 3260 product(intx, PrintFLSStatistics, 0, \ | |
| 3261 "Statistics for CMS' FreeListSpace") \ | |
| 3262 \ | |
| 3263 product(intx, PrintFLSCensus, 0, \ | |
| 3264 "Census for CMS' FreeListSpace") \ | |
| 3265 \ | |
| 3266 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
|
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|
3267 "Delay between expansion and allocation (in milliseconds)") \ |
| 0 | 3268 \ |
| 6817 | 3269 develop(uintx, GCWorkerDelayMillis, 0, \ |
|
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|
3270 "Delay in scheduling GC workers (in milliseconds)") \ |
| 6817 | 3271 \ |
| 0 | 3272 product(intx, DeferThrSuspendLoopCount, 4000, \ |
| 3273 "(Unstable) Number of times to iterate in safepoint loop " \ | |
|
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|
3274 "before blocking VM threads ") \ |
| 0 | 3275 \ |
| 3276 product(intx, DeferPollingPageLoopCount, -1, \ | |
| 3277 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
| 3278 "before changing safepoint polling page to RO ") \ | |
| 3279 \ | |
|
12836
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|
3280 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ |
| 0 | 3281 \ |
| 3282 product(bool, PSChunkLargeArrays, true, \ | |
|
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|
3283 "Process large arrays in chunks") \ |
| 0 | 3284 \ |
| 3285 product(uintx, GCDrainStackTargetSize, 64, \ | |
|
12836
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|
3286 "Number of entries we will try to leave on the stack " \ |
|
b4d8a3d4db73
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changeset
|
3287 "during parallel gc") \ |
| 0 | 3288 \ |
| 3289 /* stack parameters */ \ | |
| 3290 product_pd(intx, StackYellowPages, \ | |
| 3291 "Number of yellow zone (recoverable overflows) pages") \ | |
| 3292 \ | |
| 3293 product_pd(intx, StackRedPages, \ | |
| 3294 "Number of red zone (unrecoverable overflows) pages") \ | |
| 3295 \ | |
| 3296 product_pd(intx, StackShadowPages, \ | |
|
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changeset
|
3297 "Number of shadow zone (for overflow checking) pages " \ |
|
b4d8a3d4db73
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changeset
|
3298 "this should exceed the depth of the VM and native call stack") \ |
| 0 | 3299 \ |
| 3300 product_pd(intx, ThreadStackSize, \ | |
| 3301 "Thread Stack Size (in Kbytes)") \ | |
| 3302 \ | |
| 3303 product_pd(intx, VMThreadStackSize, \ | |
| 3304 "Non-Java Thread Stack Size (in Kbytes)") \ | |
| 3305 \ | |
| 3306 product_pd(intx, CompilerThreadStackSize, \ | |
| 3307 "Compiler Thread Stack Size (in Kbytes)") \ | |
| 3308 \ | |
| 3309 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
| 3310 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
| 3311 \ | |
| 3312 product(uintx, ThreadSafetyMargin, 50*M, \ | |
| 3313 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
| 3314 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
| 3315 "disable this feature") \ | |
| 3316 \ | |
| 3317 /* code cache parameters */ \ | |
| 14391 | 3318 /* ppc64 has large code-entry alignment. */ \ |
| 3319 develop(uintx, CodeCacheSegmentSize, 64 PPC64_ONLY(+64), \ | |
| 0 | 3320 "Code cache segment size (in bytes) - smallest unit of " \ |
| 3321 "allocation") \ | |
| 3322 \ | |
| 3323 develop_pd(intx, CodeEntryAlignment, \ | |
| 3324 "Code entry alignment for generated code (in bytes)") \ | |
| 3325 \ | |
| 1365 | 3326 product_pd(intx, OptoLoopAlignment, \ |
| 3327 "Align inner loops to zero relative to this modulus") \ | |
| 3328 \ | |
| 0 | 3329 product_pd(uintx, InitialCodeCacheSize, \ |
| 3330 "Initial code cache size (in bytes)") \ | |
| 3331 \ | |
|
11079
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anoll
parents:
10405
diff
changeset
|
3332 develop_pd(uintx, CodeCacheMinimumUseSpace, \ |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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10405
diff
changeset
|
3333 "Minimum code cache size (in bytes) required to start VM.") \ |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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diff
changeset
|
3334 \ |
| 0 | 3335 product_pd(uintx, ReservedCodeCacheSize, \ |
| 3336 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
| 3337 \ | |
| 3338 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
|
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|
3339 "When less than X space left, we stop compiling") \ |
| 0 | 3340 \ |
| 3341 product_pd(uintx, CodeCacheExpansionSize, \ | |
| 3342 "Code cache expansion size (in bytes)") \ | |
| 3343 \ | |
| 3344 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
|
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|
3345 "Minimum number of segments in a code cache block") \ |
| 0 | 3346 \ |
| 3347 notproduct(bool, ExitOnFullCodeCache, false, \ | |
|
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|
3348 "Exit the VM if we fill the code cache") \ |
| 0 | 3349 \ |
| 4039 | 3350 product(bool, UseCodeCacheFlushing, true, \ |
|
13074
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8027593: performance drop with constrained codecache starting with hs25 b111
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13071
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changeset
|
3351 "Remove cold/old nmethods from the code cache") \ |
| 1202 | 3352 \ |
| 0 | 3353 /* interpreter debugging */ \ |
| 3354 develop(intx, BinarySwitchThreshold, 5, \ | |
| 3355 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
| 3356 "switch") \ | |
| 3357 \ | |
| 3358 develop(intx, StopInterpreterAt, 0, \ | |
|
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|
3359 "Stop interpreter execution at specified bytecode number") \ |
| 0 | 3360 \ |
| 3361 develop(intx, TraceBytecodesAt, 0, \ | |
|
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|
3362 "Trace bytecodes starting with specified bytecode number") \ |
| 0 | 3363 \ |
| 3364 /* compiler interface */ \ | |
| 3365 develop(intx, CIStart, 0, \ | |
|
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|
3366 "The id of the first compilation to permit") \ |
| 0 | 3367 \ |
| 14236 | 3368 develop(intx, CIStop, max_jint, \ |
|
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|
3369 "The id of the last compilation to permit") \ |
| 0 | 3370 \ |
| 14236 | 3371 develop(intx, CIStartOSR, 0, \ |
|
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changeset
|
3372 "The id of the first osr compilation to permit " \ |
| 0 | 3373 "(CICountOSR must be on)") \ |
| 3374 \ | |
| 14236 | 3375 develop(intx, CIStopOSR, max_jint, \ |
|
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3376 "The id of the last osr compilation to permit " \ |
| 0 | 3377 "(CICountOSR must be on)") \ |
| 3378 \ | |
| 14236 | 3379 develop(intx, CIBreakAtOSR, -1, \ |
|
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3380 "The id of osr compilation to break at") \ |
| 0 | 3381 \ |
| 14236 | 3382 develop(intx, CIBreakAt, -1, \ |
|
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3383 "The id of compilation to break at") \ |
| 0 | 3384 \ |
| 3385 product(ccstrlist, CompileOnly, "", \ | |
| 3386 "List of methods (pkg/class.name) to restrict compilation to") \ | |
| 3387 \ | |
| 3388 product(ccstr, CompileCommandFile, NULL, \ | |
| 3389 "Read compiler commands from this file [.hotspot_compiler]") \ | |
| 3390 \ | |
| 3391 product(ccstrlist, CompileCommand, "", \ | |
| 3392 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
| 3393 \ | |
|
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3394 develop(bool, ReplayCompiles, false, \ |
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3395 "Enable replay of compilations from ReplayDataFile") \ |
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|
3396 \ |
|
10195
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|
3397 product(ccstr, ReplayDataFile, NULL, \ |
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3398 "File containing compilation replay information" \ |
|
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3399 "[default: ./replay_pid%p.log] (%p replaced with pid)") \ |
|
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3400 \ |
| 14232 | 3401 product(ccstr, InlineDataFile, NULL, \ |
| 3402 "File containing inlining replay information" \ | |
| 3403 "[default: ./inline_pid%p.log] (%p replaced with pid)") \ | |
| 3404 \ | |
|
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3405 develop(intx, ReplaySuppressInitializers, 2, \ |
|
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3406 "Control handling of class initialization during replay: " \ |
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3407 "0 - don't do anything special; " \ |
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3408 "1 - treat all class initializers as empty; " \ |
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3409 "2 - treat class initializers for application classes as empty; " \ |
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3410 "3 - allow all class initializers to run during bootstrap but " \ |
|
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3411 " pretend they are empty after starting replay") \ |
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3412 \ |
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3413 develop(bool, ReplayIgnoreInitErrors, false, \ |
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3414 "Ignore exceptions thrown during initialization for replay") \ |
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3415 \ |
|
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3416 product(bool, DumpReplayDataOnError, true, \ |
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3417 "Record replay data for crashing compiler threads") \ |
|
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3418 \ |
| 0 | 3419 product(bool, CICompilerCountPerCPU, false, \ |
| 3420 "1 compiler thread for log(N CPUs)") \ | |
| 3421 \ | |
| 3422 develop(intx, CIFireOOMAt, -1, \ | |
| 3423 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
| 3424 "(non-negative value throws OOM after this many CI accesses " \ | |
| 3425 "in each compile)") \ | |
|
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3426 notproduct(intx, CICrashAt, -1, \ |
|
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3427 "id of compilation to trigger assert in compiler thread for " \ |
|
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3428 "the purpose of testing, e.g. generation of replay data") \ |
|
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|
3429 notproduct(bool, CIObjectFactoryVerify, false, \ |
|
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3430 "enable potentially expensive verification in ciObjectFactory") \ |
|
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3431 \ |
| 0 | 3432 /* Priorities */ \ |
| 3433 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
| 3434 \ | |
| 3435 product(intx, ThreadPriorityPolicy, 0, \ | |
| 3436 "0 : Normal. "\ | |
| 3437 " VM chooses priorities that are appropriate for normal "\ | |
| 3438 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
|
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3439 " to normal native priority. Java priorities below " \ |
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3440 " NORM_PRIORITY map to lower native priority values. On "\ |
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3441 " Windows applications are allowed to use higher native "\ |
|
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3442 " priorities. However, with ThreadPriorityPolicy=0, VM will "\ |
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3443 " not use the highest possible native priority, "\ |
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3444 " THREAD_PRIORITY_TIME_CRITICAL, as it may interfere with "\ |
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3445 " system threads. On Linux thread priorities are ignored "\ |
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3446 " because the OS does not support static priority in "\ |
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3447 " SCHED_OTHER scheduling class which is the only choice for "\ |
| 0 | 3448 " non-root, non-realtime applications. "\ |
| 3449 "1 : Aggressive. "\ | |
| 3450 " Java thread priorities map over to the entire range of "\ | |
| 3451 " native thread priorities. Higher Java thread priorities map "\ | |
| 3452 " to higher native thread priorities. This policy should be "\ | |
| 3453 " used with care, as sometimes it can cause performance "\ | |
| 3454 " degradation in the application and/or the entire system. On "\ | |
| 3455 " Linux this policy requires root privilege.") \ | |
| 3456 \ | |
| 3457 product(bool, ThreadPriorityVerbose, false, \ | |
|
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3458 "Print priority changes") \ |
| 0 | 3459 \ |
| 3460 product(intx, DefaultThreadPriority, -1, \ | |
|
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3461 "The native priority at which threads run if not elsewhere " \ |
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3462 "specified (-1 means no change)") \ |
| 0 | 3463 \ |
| 3464 product(intx, CompilerThreadPriority, -1, \ | |
|
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3465 "The native priority at which compiler threads should run " \ |
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3466 "(-1 means no change)") \ |
| 0 | 3467 \ |
| 3468 product(intx, VMThreadPriority, -1, \ | |
|
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3469 "The native priority at which the VM thread should run " \ |
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3470 "(-1 means no change)") \ |
| 0 | 3471 \ |
| 3472 product(bool, CompilerThreadHintNoPreempt, true, \ | |
| 3473 "(Solaris only) Give compiler threads an extra quanta") \ | |
| 3474 \ | |
| 3475 product(bool, VMThreadHintNoPreempt, false, \ | |
| 3476 "(Solaris only) Give VM thread an extra quanta") \ | |
| 3477 \ | |
|
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3478 product(intx, JavaPriority1_To_OSPriority, -1, \ |
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3479 "Map Java priorities to OS priorities") \ |
|
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3480 \ |
|
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3481 product(intx, JavaPriority2_To_OSPriority, -1, \ |
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3482 "Map Java priorities to OS priorities") \ |
|
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3483 \ |
|
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|
3484 product(intx, JavaPriority3_To_OSPriority, -1, \ |
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|
3485 "Map Java priorities to OS priorities") \ |
|
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|
3486 \ |
|
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|
3487 product(intx, JavaPriority4_To_OSPriority, -1, \ |
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|
3488 "Map Java priorities to OS priorities") \ |
|
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3489 \ |
|
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|
3490 product(intx, JavaPriority5_To_OSPriority, -1, \ |
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3491 "Map Java priorities to OS priorities") \ |
|
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3492 \ |
|
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3493 product(intx, JavaPriority6_To_OSPriority, -1, \ |
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3494 "Map Java priorities to OS priorities") \ |
|
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3495 \ |
|
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3496 product(intx, JavaPriority7_To_OSPriority, -1, \ |
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3497 "Map Java priorities to OS priorities") \ |
|
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3498 \ |
|
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3499 product(intx, JavaPriority8_To_OSPriority, -1, \ |
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3500 "Map Java priorities to OS priorities") \ |
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3501 \ |
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3502 product(intx, JavaPriority9_To_OSPriority, -1, \ |
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3503 "Map Java priorities to OS priorities") \ |
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3504 \ |
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3505 product(intx, JavaPriority10_To_OSPriority,-1, \ |
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3506 "Map Java priorities to OS priorities") \ |
| 0 | 3507 \ |
|
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3508 experimental(bool, UseCriticalJavaThreadPriority, false, \ |
|
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3509 "Java thread priority 10 maps to critical scheduling priority") \ |
|
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|
3510 \ |
|
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|
3511 experimental(bool, UseCriticalCompilerThreadPriority, false, \ |
|
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3512 "Compiler thread(s) run at critical scheduling priority") \ |
|
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3513 \ |
|
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3514 experimental(bool, UseCriticalCMSThreadPriority, false, \ |
|
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3515 "ConcurrentMarkSweep thread runs at critical scheduling priority")\ |
|
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3516 \ |
| 0 | 3517 /* compiler debugging */ \ |
| 3518 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
| 3519 "First class to consider when using +CompileTheWorld") \ | |
| 3520 \ | |
| 3521 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
| 3522 "Last class to consider when using +CompileTheWorld") \ | |
| 3523 \ | |
| 3524 develop(intx, NewCodeParameter, 0, \ | |
| 3525 "Testing Only: Create a dedicated integer parameter before " \ | |
| 3526 "putback") \ | |
| 3527 \ | |
| 3528 /* new oopmap storage allocation */ \ | |
| 3529 develop(intx, MinOopMapAllocation, 8, \ | |
| 3530 "Minimum number of OopMap entries in an OopMapSet") \ | |
| 3531 \ | |
| 3532 /* Background Compilation */ \ | |
| 3533 develop(intx, LongCompileThreshold, 50, \ | |
| 3534 "Used with +TraceLongCompiles") \ | |
| 3535 \ | |
| 3536 product(intx, StarvationMonitorInterval, 200, \ | |
|
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3537 "Pause between each check (in milliseconds)") \ |
| 0 | 3538 \ |
| 3539 /* recompilation */ \ | |
| 3540 product_pd(intx, CompileThreshold, \ | |
| 3541 "number of interpreted method invocations before (re-)compiling") \ | |
| 3542 \ | |
| 3543 product_pd(intx, BackEdgeThreshold, \ | |
|
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3544 "Interpreter Back edge threshold at which an OSR compilation is " \ |
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3545 "invoked") \ |
| 0 | 3546 \ |
| 1783 | 3547 product(intx, Tier0InvokeNotifyFreqLog, 7, \ |
|
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3548 "Interpreter (tier 0) invocation notification frequency") \ |
| 1783 | 3549 \ |
| 3550 product(intx, Tier2InvokeNotifyFreqLog, 11, \ | |
|
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3551 "C1 without MDO (tier 2) invocation notification frequency") \ |
| 1783 | 3552 \ |
| 3553 product(intx, Tier3InvokeNotifyFreqLog, 10, \ | |
| 3554 "C1 with MDO profiling (tier 3) invocation notification " \ | |
|
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3555 "frequency") \ |
| 1783 | 3556 \ |
|
3964
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3960
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changeset
|
3557 product(intx, Tier23InlineeNotifyFreqLog, 20, \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
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3960
diff
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|
3558 "Inlinee invocation (tiers 2 and 3) notification frequency") \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
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3960
diff
changeset
|
3559 \ |
| 1783 | 3560 product(intx, Tier0BackedgeNotifyFreqLog, 10, \ |
|
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|
3561 "Interpreter (tier 0) invocation notification frequency") \ |
| 1783 | 3562 \ |
| 3563 product(intx, Tier2BackedgeNotifyFreqLog, 14, \ | |
|
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|
3564 "C1 without MDO (tier 2) invocation notification frequency") \ |
| 1783 | 3565 \ |
| 3566 product(intx, Tier3BackedgeNotifyFreqLog, 13, \ | |
| 3567 "C1 with MDO profiling (tier 3) invocation notification " \ | |
|
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|
3568 "frequency") \ |
| 1783 | 3569 \ |
| 3570 product(intx, Tier2CompileThreshold, 0, \ | |
| 3571 "threshold at which tier 2 compilation is invoked") \ | |
| 3572 \ | |
| 3573 product(intx, Tier2BackEdgeThreshold, 0, \ | |
| 3574 "Back edge threshold at which tier 2 compilation is invoked") \ | |
| 3575 \ | |
| 3576 product(intx, Tier3InvocationThreshold, 200, \ | |
| 3577 "Compile if number of method invocations crosses this " \ | |
| 3578 "threshold") \ | |
| 3579 \ | |
| 3580 product(intx, Tier3MinInvocationThreshold, 100, \ | |
| 3581 "Minimum invocation to compile at tier 3") \ | |
| 3582 \ | |
| 3583 product(intx, Tier3CompileThreshold, 2000, \ | |
| 3584 "Threshold at which tier 3 compilation is invoked (invocation " \ | |
|
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|
3585 "minimum must be satisfied") \ |
| 1783 | 3586 \ |
| 4819 | 3587 product(intx, Tier3BackEdgeThreshold, 60000, \ |
| 1783 | 3588 "Back edge threshold at which tier 3 OSR compilation is invoked") \ |
| 3589 \ | |
| 3590 product(intx, Tier4InvocationThreshold, 5000, \ | |
| 3591 "Compile if number of method invocations crosses this " \ | |
| 3592 "threshold") \ | |
| 3593 \ | |
| 3594 product(intx, Tier4MinInvocationThreshold, 600, \ | |
| 3595 "Minimum invocation to compile at tier 4") \ | |
| 3596 \ | |
| 3597 product(intx, Tier4CompileThreshold, 15000, \ | |
| 3598 "Threshold at which tier 4 compilation is invoked (invocation " \ | |
|
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changeset
|
3599 "minimum must be satisfied") \ |
| 1783 | 3600 \ |
| 3601 product(intx, Tier4BackEdgeThreshold, 40000, \ | |
| 3602 "Back edge threshold at which tier 4 OSR compilation is invoked") \ | |
| 3603 \ | |
| 3604 product(intx, Tier3DelayOn, 5, \ | |
| 3605 "If C2 queue size grows over this amount per compiler thread " \ | |
| 3606 "stop compiling at tier 3 and start compiling at tier 2") \ | |
| 3607 \ | |
| 3608 product(intx, Tier3DelayOff, 2, \ | |
| 3609 "If C2 queue size is less than this amount per compiler thread " \ | |
| 3610 "allow methods compiled at tier 2 transition to tier 3") \ | |
| 3611 \ | |
| 3612 product(intx, Tier3LoadFeedback, 5, \ | |
| 3613 "Tier 3 thresholds will increase twofold when C1 queue size " \ | |
| 3614 "reaches this amount per compiler thread") \ | |
| 3615 \ | |
| 3616 product(intx, Tier4LoadFeedback, 3, \ | |
| 3617 "Tier 4 thresholds will increase twofold when C2 queue size " \ | |
| 3618 "reaches this amount per compiler thread") \ | |
| 3619 \ | |
| 3620 product(intx, TieredCompileTaskTimeout, 50, \ | |
| 3621 "Kill compile task if method was not used within " \ | |
| 3622 "given timeout in milliseconds") \ | |
| 3623 \ | |
| 3624 product(intx, TieredStopAtLevel, 4, \ | |
| 3625 "Stop at given compilation level") \ | |
| 3626 \ | |
| 3627 product(intx, Tier0ProfilingStartPercentage, 200, \ | |
|
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|
3628 "Start profiling in interpreter if the counters exceed tier 3 " \ |
| 1783 | 3629 "thresholds by the specified percentage") \ |
| 3630 \ | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10293
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changeset
|
3631 product(uintx, IncreaseFirstTierCompileThresholdAt, 50, \ |
|
12836
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|
3632 "Increase the compile threshold for C1 compilation if the code " \ |
|
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changeset
|
3633 "cache is filled by the specified percentage") \ |
|
10319
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changeset
|
3634 \ |
| 1783 | 3635 product(intx, TieredRateUpdateMinTime, 1, \ |
| 3636 "Minimum rate sampling interval (in milliseconds)") \ | |
| 3637 \ | |
| 3638 product(intx, TieredRateUpdateMaxTime, 25, \ | |
| 3639 "Maximum rate sampling interval (in milliseconds)") \ | |
| 0 | 3640 \ |
| 3641 product_pd(bool, TieredCompilation, \ | |
| 1783 | 3642 "Enable tiered compilation") \ |
| 3643 \ | |
| 3644 product(bool, PrintTieredEvents, false, \ | |
| 3645 "Print tiered events notifications") \ | |
| 0 | 3646 \ |
| 3647 product_pd(intx, OnStackReplacePercentage, \ | |
|
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|
3648 "NON_TIERED number of method invocations/branches (expressed as " \ |
|
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|
3649 "% of CompileThreshold) before (re-)compiling OSR code") \ |
| 0 | 3650 \ |
| 3651 product(intx, InterpreterProfilePercentage, 33, \ | |
|
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|
3652 "NON_TIERED number of method invocations/branches (expressed as " \ |
|
b4d8a3d4db73
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diff
changeset
|
3653 "% of CompileThreshold) before profiling in the interpreter") \ |
| 0 | 3654 \ |
| 3655 develop(intx, MaxRecompilationSearchLength, 10, \ | |
|
12836
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changeset
|
3656 "The maximum number of frames to inspect when searching for " \ |
|
b4d8a3d4db73
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diff
changeset
|
3657 "recompilee") \ |
| 0 | 3658 \ |
| 3659 develop(intx, MaxInterpretedSearchLength, 3, \ | |
|
12836
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changeset
|
3660 "The maximum number of interpreted frames to skip when searching "\ |
|
b4d8a3d4db73
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parents:
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diff
changeset
|
3661 "for recompilee") \ |
| 0 | 3662 \ |
| 3663 develop(intx, DesiredMethodLimit, 8000, \ | |
|
12836
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changeset
|
3664 "The desired maximum method size (in bytecodes) after inlining") \ |
| 0 | 3665 \ |
| 3666 develop(intx, HugeMethodLimit, 8000, \ | |
|
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changeset
|
3667 "Don't compile methods larger than this if " \ |
| 0 | 3668 "+DontCompileHugeMethods") \ |
| 3669 \ | |
| 3670 /* New JDK 1.4 reflection implementation */ \ | |
| 3671 \ | |
| 3672 develop(bool, UseNewReflection, true, \ | |
| 3673 "Temporary flag for transition to reflection based on dynamic " \ | |
| 3674 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
| 3675 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
| 3676 "changes were needed") \ | |
| 3677 \ | |
| 3678 develop(bool, VerifyReflectionBytecodes, false, \ | |
| 3679 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
| 3680 "in situations like that described in 4486457 or for " \ | |
| 3681 "constructors generated for serialization, so can not be enabled "\ | |
| 3682 "in product.") \ | |
| 3683 \ | |
| 3684 product(bool, ReflectionWrapResolutionErrors, true, \ | |
| 3685 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
| 3686 "in InvocationTargetException. See 6531596") \ | |
| 3687 \ | |
| 3688 develop(intx, FastSuperclassLimit, 8, \ | |
| 3689 "Depth of hardwired instanceof accelerator array") \ | |
| 3690 \ | |
| 3691 /* Properties for Java libraries */ \ | |
| 3692 \ | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6197
diff
changeset
|
3693 product(uintx, MaxDirectMemorySize, 0, \ |
| 0 | 3694 "Maximum total size of NIO direct-buffer allocations") \ |
| 3695 \ | |
| 3696 /* temporary developer defined flags */ \ | |
| 3697 \ | |
| 3698 diagnostic(bool, UseNewCode, false, \ | |
| 3699 "Testing Only: Use the new version while testing") \ | |
| 3700 \ | |
| 3701 diagnostic(bool, UseNewCode2, false, \ | |
| 3702 "Testing Only: Use the new version while testing") \ | |
| 3703 \ | |
| 3704 diagnostic(bool, UseNewCode3, false, \ | |
| 3705 "Testing Only: Use the new version while testing") \ | |
| 3706 \ | |
| 3707 /* flags for performance data collection */ \ | |
| 3708 \ | |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3780
diff
changeset
|
3709 product(bool, UsePerfData, falseInEmbedded, \ |
|
12836
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changeset
|
3710 "Flag to disable jvmstat instrumentation for performance testing "\ |
|
b4d8a3d4db73
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changeset
|
3711 "and problem isolation purposes") \ |
| 0 | 3712 \ |
| 3713 product(bool, PerfDataSaveToFile, false, \ | |
| 3714 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
| 3715 \ | |
| 3716 product(ccstr, PerfDataSaveFile, NULL, \ | |
|
12836
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changeset
|
3717 "Save PerfData memory to the specified absolute pathname. " \ |
|
b4d8a3d4db73
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changeset
|
3718 "The string %p in the file name (if present) " \ |
|
b4d8a3d4db73
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changeset
|
3719 "will be replaced by pid") \ |
|
b4d8a3d4db73
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|
3720 \ |
|
b4d8a3d4db73
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changeset
|
3721 product(intx, PerfDataSamplingInterval, 50, \ |
|
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changeset
|
3722 "Data sampling interval (in milliseconds)") \ |
| 0 | 3723 \ |
| 3724 develop(bool, PerfTraceDataCreation, false, \ | |
| 3725 "Trace creation of Performance Data Entries") \ | |
| 3726 \ | |
| 3727 develop(bool, PerfTraceMemOps, false, \ | |
| 3728 "Trace PerfMemory create/attach/detach calls") \ | |
| 3729 \ | |
| 3730 product(bool, PerfDisableSharedMem, false, \ | |
| 3731 "Store performance data in standard memory") \ | |
| 3732 \ | |
| 3733 product(intx, PerfDataMemorySize, 32*K, \ | |
| 3734 "Size of performance data memory region. Will be rounded " \ | |
| 3735 "up to a multiple of the native os page size.") \ | |
| 3736 \ | |
| 3737 product(intx, PerfMaxStringConstLength, 1024, \ | |
| 3738 "Maximum PerfStringConstant string length before truncation") \ | |
| 3739 \ | |
| 3740 product(bool, PerfAllowAtExitRegistration, false, \ | |
| 3741 "Allow registration of atexit() methods") \ | |
| 3742 \ | |
| 3743 product(bool, PerfBypassFileSystemCheck, false, \ | |
| 3744 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
| 3745 \ | |
| 3746 product(intx, UnguardOnExecutionViolation, 0, \ | |
|
12836
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|
3747 "Unguard page and retry on no-execute fault (Win32 only) " \ |
| 0 | 3748 "0=off, 1=conservative, 2=aggressive") \ |
| 3749 \ | |
| 3750 /* Serviceability Support */ \ | |
| 3751 \ | |
| 3752 product(bool, ManagementServer, false, \ | |
| 3753 "Create JMX Management Server") \ | |
| 3754 \ | |
| 3755 product(bool, DisableAttachMechanism, false, \ | |
|
12836
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|
3756 "Disable mechanism that allows tools to attach to this VM") \ |
| 0 | 3757 \ |
| 3758 product(bool, StartAttachListener, false, \ | |
| 3759 "Always start Attach Listener at VM startup") \ | |
| 3760 \ | |
| 3761 manageable(bool, PrintConcurrentLocks, false, \ | |
| 3762 "Print java.util.concurrent locks in thread dump") \ | |
| 3763 \ | |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3764 product(bool, TransmitErrorReport, false, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3765 "Enable error report transmission on erroneous termination") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3766 \ |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3767 product(ccstr, ErrorReportServer, NULL, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3768 "Override built-in error report server address") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
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2192
diff
changeset
|
3769 \ |
| 0 | 3770 /* Shared spaces */ \ |
| 3771 \ | |
| 3772 product(bool, UseSharedSpaces, true, \ | |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3773 "Use shared spaces for metadata") \ |
| 0 | 3774 \ |
| 18096 | 3775 product(bool, VerifySharedSpaces, false, \ |
| 3776 "Verify shared spaces (false for default archive, true for " \ | |
| 3777 "archive specified by -XX:SharedArchiveFile)") \ | |
| 3778 \ | |
| 0 | 3779 product(bool, RequireSharedSpaces, false, \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3780 "Require shared spaces for metadata") \ |
| 0 | 3781 \ |
| 3782 product(bool, DumpSharedSpaces, false, \ | |
|
12836
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changeset
|
3783 "Special mode: JVM reads a class list, loads classes, builds " \ |
|
b4d8a3d4db73
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changeset
|
3784 "shared spaces, and dumps the shared spaces to a file to be " \ |
|
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changeset
|
3785 "used in future JVM runs") \ |
| 0 | 3786 \ |
| 3787 product(bool, PrintSharedSpaces, false, \ | |
| 3788 "Print usage of shared spaces") \ | |
| 3789 \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3790 product(uintx, SharedReadWriteSize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3791 "Size of read-write space for metadata (in bytes)") \ |
| 0 | 3792 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3793 product(uintx, SharedReadOnlySize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3794 "Size of read-only space for metadata (in bytes)") \ |
| 0 | 3795 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3796 product(uintx, SharedMiscDataSize, NOT_LP64(2*M) LP64_ONLY(4*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3797 "Size of the shared miscellaneous data area (in bytes)") \ |
| 0 | 3798 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3799 product(uintx, SharedMiscCodeSize, 120*K, \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3800 "Size of the shared miscellaneous code area (in bytes)") \ |
| 0 | 3801 \ |
|
8804
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3802 product(uintx, SharedBaseAddress, LP64_ONLY(32*G) \ |
|
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3803 NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)), \ |
|
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3804 "Address to allocate shared memory region for class data") \ |
| 0 | 3805 \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3806 diagnostic(bool, EnableInvokeDynamic, true, \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3807 "support JSR 292 (method handles, invokedynamic, " \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3808 "anonymous classes") \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3809 \ |
|
3449
a9b8b43b115f
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3418
diff
changeset
|
3810 diagnostic(bool, PrintMethodHandleStubs, false, \ |
|
a9b8b43b115f
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3418
diff
changeset
|
3811 "Print generated stub code for method handles") \ |
|
a9b8b43b115f
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3418
diff
changeset
|
3812 \ |
| 710 | 3813 develop(bool, TraceMethodHandles, false, \ |
| 3814 "trace internal method handle operations") \ | |
| 3815 \ | |
| 3816 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
| 3817 "perform extra checks when constructing method handles") \ | |
| 3818 \ | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3819 diagnostic(bool, ShowHiddenFrames, false, \ |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3820 "show method handle implementation frames (usually hidden)") \ |
|
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3384
diff
changeset
|
3821 \ |
|
1173
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3822 experimental(bool, TrustFinalNonStaticFields, false, \ |
|
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3823 "trust final non-static declarations for constant folding") \ |
|
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3824 \ |
| 17820 | 3825 diagnostic(bool, FoldStableValues, true, \ |
| 3826 "Optimize loads from stable fields (marked w/ @Stable)") \ | |
|
12190
edb5ab0f3fe5
8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents:
12154
diff
changeset
|
3827 \ |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3828 develop(bool, TraceInvokeDynamic, false, \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3829 "trace internal invoke dynamic operations") \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3830 \ |
| 0 | 3831 diagnostic(bool, PauseAtStartup, false, \ |
| 3832 "Causes the VM to pause at startup time and wait for the pause " \ | |
| 3833 "file to be removed (default: ./vm.paused.<pid>)") \ | |
| 3834 \ | |
| 3835 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
| 3836 "The file to create and for whose removal to await when pausing " \ | |
| 3837 "at startup. (default: ./vm.paused.<pid>)") \ | |
| 3838 \ | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3839 diagnostic(bool, PauseAtExit, false, \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3840 "Pause and wait for keypress on exit if a debugger is attached") \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
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parents:
2265
diff
changeset
|
3841 \ |
| 0 | 3842 product(bool, ExtendedDTraceProbes, false, \ |
| 3843 "Enable performance-impacting dtrace probes") \ | |
| 3844 \ | |
| 3845 product(bool, DTraceMethodProbes, false, \ | |
| 3846 "Enable dtrace probes for method-entry and method-exit") \ | |
| 3847 \ | |
| 3848 product(bool, DTraceAllocProbes, false, \ | |
| 3849 "Enable dtrace probes for object allocation") \ | |
| 3850 \ | |
| 3851 product(bool, DTraceMonitorProbes, false, \ | |
| 3852 "Enable dtrace probes for monitor events") \ | |
| 3853 \ | |
| 3854 product(bool, RelaxAccessControlCheck, false, \ | |
| 3855 "Relax the access control checks in the verifier") \ | |
| 3856 \ | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3857 diagnostic(bool, PrintDTraceDOF, false, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3858 "Print the DTrace DOF passed to the system for JSDT probes") \ |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
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113
diff
changeset
|
3859 \ |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6935
diff
changeset
|
3860 product(uintx, StringTableSize, defaultStringTableSize, \ |
| 2378 | 3861 "Number of buckets in the interned String table") \ |
| 3862 \ | |
|
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3863 experimental(uintx, SymbolTableSize, defaultSymbolTableSize, \ |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3864 "Number of buckets in the JVM internal Symbol table") \ |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3865 \ |
| 17764 | 3866 product(bool, UseStringDeduplication, false, \ |
| 3867 "Use string deduplication") \ | |
| 3868 \ | |
| 3869 product(bool, PrintStringDeduplicationStatistics, false, \ | |
| 3870 "Print string deduplication statistics") \ | |
| 3871 \ | |
| 3872 product(uintx, StringDeduplicationAgeThreshold, 3, \ | |
| 3873 "A string must reach this age (or be promoted to an old region) " \ | |
| 3874 "to be considered for deduplication") \ | |
| 3875 \ | |
| 3876 diagnostic(bool, StringDeduplicationResizeALot, false, \ | |
| 3877 "Force table resize every time the table is scanned") \ | |
| 3878 \ | |
| 3879 diagnostic(bool, StringDeduplicationRehashALot, false, \ | |
| 3880 "Force table rehash every time the table is scanned") \ | |
| 3881 \ | |
| 6934 | 3882 develop(bool, TraceDefaultMethods, false, \ |
| 3883 "Trace the default method processing steps") \ | |
| 3884 \ | |
| 3885 develop(bool, VerifyGenericSignatures, false, \ | |
| 3886 "Abort VM on erroneous or inconsistent generic signatures") \ | |
| 3887 \ | |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3888 product(bool, UseVMInterruptibleIO, false, \ |
| 0 | 3889 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3890 "EINTR for I/O operations results in OS_INTRPT. The default " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3891 "value of this flag is true for JDK 6 and earlier") \ |
| 5915 | 3892 \ |
| 3893 diagnostic(bool, WhiteBoxAPI, false, \ | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3894 "Enable internal testing APIs") \ |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3895 \ |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3896 product(bool, PrintGCCause, true, \ |
| 8702 | 3897 "Include GC cause in GC logging") \ |
| 3898 \ | |
|
9073
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3899 product(bool , AllowNonVirtualCalls, false, \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3900 "Obey the ACC_SUPER flag and allow invokenonvirtual calls") \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3901 \ |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3902 diagnostic(ccstr, SharedArchiveFile, NULL, \ |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3903 "Override the default location of the CDS archive file") \ |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3904 \ |
|
9073
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3905 experimental(uintx, ArrayAllocatorMallocLimit, \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3906 SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx), \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3907 "Allocation less than this value will be allocated " \ |
| 10405 | 3908 "using malloc. Larger allocations will use mmap.") \ |
| 3909 \ | |
| 3910 product(bool, EnableTracing, false, \ | |
| 3911 "Enable event-based tracing") \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3912 \ |
| 10405 | 3913 product(bool, UseLockedTracing, false, \ |
| 3914 "Use locked-tracing when doing event-based tracing") | |
| 3915 | |
| 0 | 3916 /* |
| 3917 * Macros for factoring of globals | |
| 3918 */ | |
| 3919 | |
| 3920 // Interface macros | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3921 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3922 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3923 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3924 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3925 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3926 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3927 #ifdef PRODUCT |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3928 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type CONST_##name; const type name = value; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3929 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type CONST_##name; const type name = pd_##name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3930 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type CONST_##name; |
| 0 | 3931 #else |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3932 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3933 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3934 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3935 #endif |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3936 // Special LP64 flags, product only needed for now. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3937 #ifdef _LP64 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3938 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3939 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3940 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3941 #endif // _LP64 |
| 0 | 3942 |
| 3943 // Implementation macros | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3944 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3945 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3946 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3947 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3948 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3949 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; |
| 0 | 3950 #ifdef PRODUCT |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3951 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type CONST_##name = value; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3952 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type CONST_##name = pd_##name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3953 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type CONST_##name = value; |
| 0 | 3954 #else |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3955 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3956 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; |
|
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3957 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; |
| 0 | 3958 #endif |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3959 #ifdef _LP64 |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3960 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value; |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
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|
3961 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3962 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3963 #endif // _LP64 |
| 0 | 3964 |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
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348
diff
changeset
|
3965 RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG) |
| 0 | 3966 |
| 3967 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) | |
| 1972 | 3968 |
|
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3969 ARCH_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG) |
|
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3970 |
|
4107
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3971 // Extensions |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3972 |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3973 #include "runtime/globals_ext.hpp" |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3974 |
| 1972 | 3975 #endif // SHARE_VM_RUNTIME_GLOBALS_HPP |