Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.hpp @ 18096:ca6d25be853b jdk8u25-b13
8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene
| author | jiangli |
|---|---|
| date | Tue, 12 Aug 2014 17:46:16 -0400 |
| parents | db8383148bc9 |
| children | eaf39a954227 8cb56c8cb30d |
| 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 |
| 132 #ifdef COMPILER2 | |
| 133 #ifdef TARGET_ARCH_x86 | |
| 134 # include "c2_globals_x86.hpp" | |
| 135 #endif | |
| 136 #ifdef TARGET_ARCH_sparc | |
| 137 # include "c2_globals_sparc.hpp" | |
| 138 #endif | |
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139 #ifdef TARGET_ARCH_arm |
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140 # include "c2_globals_arm.hpp" |
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141 #endif |
| 14411 | 142 #ifdef TARGET_ARCH_ppc |
| 143 # include "c2_globals_ppc.hpp" | |
| 144 #endif | |
| 1972 | 145 #ifdef TARGET_OS_FAMILY_linux |
| 146 # include "c2_globals_linux.hpp" | |
| 147 #endif | |
| 148 #ifdef TARGET_OS_FAMILY_solaris | |
| 149 # include "c2_globals_solaris.hpp" | |
| 150 #endif | |
| 151 #ifdef TARGET_OS_FAMILY_windows | |
| 152 # include "c2_globals_windows.hpp" | |
| 153 #endif | |
| 14411 | 154 #ifdef TARGET_OS_FAMILY_aix |
| 155 # include "c2_globals_aix.hpp" | |
| 156 #endif | |
| 3960 | 157 #ifdef TARGET_OS_FAMILY_bsd |
| 158 # include "c2_globals_bsd.hpp" | |
| 159 #endif | |
| 1972 | 160 #endif |
| 161 #ifdef SHARK | |
| 162 #ifdef TARGET_ARCH_zero | |
| 163 # include "shark_globals_zero.hpp" | |
| 164 #endif | |
| 165 #endif | |
| 166 | |
| 1692 | 167 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) |
| 0 | 168 define_pd_global(bool, BackgroundCompilation, false); |
| 169 define_pd_global(bool, UseTLAB, false); | |
| 170 define_pd_global(bool, CICompileOSR, false); | |
| 171 define_pd_global(bool, UseTypeProfile, false); | |
| 172 define_pd_global(bool, UseOnStackReplacement, false); | |
| 173 define_pd_global(bool, InlineIntrinsics, false); | |
| 174 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
| 175 define_pd_global(bool, ProfileInterpreter, false); | |
| 176 define_pd_global(bool, ProfileTraps, false); | |
| 177 define_pd_global(bool, TieredCompilation, false); | |
| 178 | |
| 179 define_pd_global(intx, CompileThreshold, 0); | |
| 180 define_pd_global(intx, BackEdgeThreshold, 0); | |
| 181 | |
| 182 define_pd_global(intx, OnStackReplacePercentage, 0); | |
| 183 define_pd_global(bool, ResizeTLAB, false); | |
| 184 define_pd_global(intx, FreqInlineSize, 0); | |
| 185 define_pd_global(intx, NewSizeThreadIncrease, 4*K); | |
| 186 define_pd_global(intx, InlineClassNatives, true); | |
| 187 define_pd_global(intx, InlineUnsafeOps, true); | |
| 188 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
| 189 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
| 190 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
| 191 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
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192 define_pd_global(intx, CodeCacheMinimumUseSpace, 200*K); |
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193 define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(4*M)); |
| 0 | 194 define_pd_global(bool, NeverActAsServerClassMachine, true); |
| 1064 | 195 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
| 0 | 196 #define CI_COMPILER_COUNT 0 |
| 197 #else | |
| 198 | |
| 199 #ifdef COMPILER2 | |
| 200 #define CI_COMPILER_COUNT 2 | |
| 201 #else | |
| 202 #define CI_COMPILER_COUNT 1 | |
| 203 #endif // COMPILER2 | |
| 204 | |
| 205 #endif // no compilers | |
| 206 | |
| 207 // string type aliases used only in this file | |
| 208 typedef const char* ccstr; | |
| 209 typedef const char* ccstrlist; // represents string arguments which accumulate | |
| 210 | |
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211 struct Flag { |
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212 enum Flags { |
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213 // value origin |
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214 DEFAULT = 0, |
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215 COMMAND_LINE = 1, |
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216 ENVIRON_VAR = 2, |
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217 CONFIG_FILE = 3, |
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218 MANAGEMENT = 4, |
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219 ERGONOMIC = 5, |
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220 ATTACH_ON_DEMAND = 6, |
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221 INTERNAL = 7, |
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222 |
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223 LAST_VALUE_ORIGIN = INTERNAL, |
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224 VALUE_ORIGIN_BITS = 4, |
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225 VALUE_ORIGIN_MASK = right_n_bits(VALUE_ORIGIN_BITS), |
| 0 | 226 |
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227 // flag kind |
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228 KIND_PRODUCT = 1 << 4, |
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229 KIND_MANAGEABLE = 1 << 5, |
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230 KIND_DIAGNOSTIC = 1 << 6, |
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231 KIND_EXPERIMENTAL = 1 << 7, |
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232 KIND_NOT_PRODUCT = 1 << 8, |
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233 KIND_DEVELOP = 1 << 9, |
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234 KIND_PLATFORM_DEPENDENT = 1 << 10, |
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235 KIND_READ_WRITE = 1 << 11, |
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236 KIND_C1 = 1 << 12, |
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237 KIND_C2 = 1 << 13, |
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238 KIND_ARCH = 1 << 14, |
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239 KIND_SHARK = 1 << 15, |
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240 KIND_LP64_PRODUCT = 1 << 16, |
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241 KIND_COMMERCIAL = 1 << 17, |
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242 |
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243 KIND_MASK = ~VALUE_ORIGIN_MASK |
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244 }; |
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245 |
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246 const char* _type; |
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247 const char* _name; |
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248 void* _addr; |
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249 NOT_PRODUCT(const char* _doc;) |
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250 Flags _flags; |
| 0 | 251 |
| 252 // points to all Flags static array | |
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253 static Flag* flags; |
| 0 | 254 |
| 255 // number of flags | |
| 256 static size_t numFlags; | |
| 257 | |
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258 static Flag* find_flag(const char* name, size_t length, bool allow_locked = false, bool return_flag = false); |
| 11070 | 259 static Flag* fuzzy_match(const char* name, size_t length, bool allow_locked = false); |
| 0 | 260 |
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261 void check_writable(); |
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262 |
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263 bool is_bool() const; |
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264 bool get_bool() const; |
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265 void set_bool(bool value); |
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266 |
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267 bool is_intx() const; |
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268 intx get_intx() const; |
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269 void set_intx(intx value); |
| 0 | 270 |
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271 bool is_uintx() const; |
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272 uintx get_uintx() const; |
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273 void set_uintx(uintx value); |
| 0 | 274 |
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275 bool is_uint64_t() const; |
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276 uint64_t get_uint64_t() const; |
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277 void set_uint64_t(uint64_t value); |
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278 |
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279 bool is_double() const; |
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280 double get_double() const; |
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281 void set_double(double value); |
| 0 | 282 |
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283 bool is_ccstr() const; |
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284 bool ccstr_accumulates() const; |
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285 ccstr get_ccstr() const; |
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286 void set_ccstr(ccstr value); |
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287 |
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288 Flags get_origin(); |
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289 void set_origin(Flags origin); |
| 1064 | 290 |
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291 bool is_default(); |
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292 bool is_ergonomic(); |
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293 bool is_command_line(); |
| 0 | 294 |
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295 bool is_product() const; |
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296 bool is_manageable() const; |
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297 bool is_diagnostic() const; |
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298 bool is_experimental() const; |
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299 bool is_notproduct() const; |
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300 bool is_develop() const; |
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301 bool is_read_write() const; |
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302 bool is_commercial() const; |
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303 |
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304 bool is_constant_in_binary() const; |
| 0 | 305 |
| 306 bool is_unlocker() const; | |
| 307 bool is_unlocked() const; | |
| 308 bool is_writeable() const; | |
| 309 bool is_external() const; | |
| 310 | |
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311 bool is_unlocker_ext() const; |
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312 bool is_unlocked_ext() const; |
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313 bool is_writeable_ext() const; |
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314 bool is_external_ext() const; |
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315 |
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316 void get_locked_message(char*, int) const; |
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317 void get_locked_message_ext(char*, int) const; |
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318 |
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319 void print_on(outputStream* st, bool withComments = false ); |
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320 void print_kind(outputStream* st); |
| 0 | 321 void print_as_flag(outputStream* st); |
| 322 }; | |
| 323 | |
| 324 // debug flags control various aspects of the VM and are global accessible | |
| 325 | |
| 326 // use FlagSetting to temporarily change some debug flag | |
| 327 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
| 328 // restored to previous value upon leaving scope | |
| 329 class FlagSetting { | |
| 330 bool val; | |
| 331 bool* flag; | |
| 332 public: | |
| 333 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 334 ~FlagSetting() { *flag = val; } | |
| 335 }; | |
| 336 | |
| 337 | |
| 338 class CounterSetting { | |
| 339 intx* counter; | |
| 340 public: | |
| 341 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
| 342 ~CounterSetting() { (*counter)--; } | |
| 343 }; | |
| 344 | |
| 345 | |
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346 class UIntFlagSetting { |
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347 uintx val; |
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348 uintx* flag; |
| 0 | 349 public: |
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350 UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; } |
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351 ~UIntFlagSetting() { *flag = val; } |
| 0 | 352 }; |
| 353 | |
| 354 | |
| 355 class DoubleFlagSetting { | |
| 356 double val; | |
| 357 double* flag; | |
| 358 public: | |
| 359 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 360 ~DoubleFlagSetting() { *flag = val; } | |
| 361 }; | |
| 362 | |
| 363 | |
| 364 class CommandLineFlags { | |
| 365 public: | |
| 366 static bool boolAt(char* name, size_t len, bool* value); | |
| 367 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
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368 static bool boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin); |
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369 static bool boolAtPut(char* name, bool* value, Flag::Flags origin) { return boolAtPut(name, strlen(name), value, origin); } |
| 0 | 370 |
| 371 static bool intxAt(char* name, size_t len, intx* value); | |
| 372 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
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373 static bool intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin); |
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374 static bool intxAtPut(char* name, intx* value, Flag::Flags origin) { return intxAtPut(name, strlen(name), value, origin); } |
| 0 | 375 |
| 376 static bool uintxAt(char* name, size_t len, uintx* value); | |
| 377 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
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378 static bool uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin); |
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379 static bool uintxAtPut(char* name, uintx* value, Flag::Flags origin) { return uintxAtPut(name, strlen(name), value, origin); } |
| 0 | 380 |
| 1064 | 381 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
| 382 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
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383 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin); |
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384 static bool uint64_tAtPut(char* name, uint64_t* value, Flag::Flags origin) { return uint64_tAtPut(name, strlen(name), value, origin); } |
| 1064 | 385 |
| 0 | 386 static bool doubleAt(char* name, size_t len, double* value); |
| 387 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
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388 static bool doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin); |
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389 static bool doubleAtPut(char* name, double* value, Flag::Flags origin) { return doubleAtPut(name, strlen(name), value, origin); } |
| 0 | 390 |
| 391 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
| 392 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
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393 static bool ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin); |
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394 static bool ccstrAtPut(char* name, ccstr* value, Flag::Flags origin) { return ccstrAtPut(name, strlen(name), value, origin); } |
| 0 | 395 |
| 396 // Returns false if name is not a command line flag. | |
| 397 static bool wasSetOnCmdline(const char* name, bool* value); | |
| 4773 | 398 static void printSetFlags(outputStream* out); |
| 0 | 399 |
| 4773 | 400 static void printFlags(outputStream* out, bool withComments); |
| 0 | 401 |
| 402 static void verify() PRODUCT_RETURN; | |
| 403 }; | |
| 404 | |
| 405 // use this for flags that are true by default in the debug version but | |
| 406 // false in the optimized version, and vice versa | |
| 407 #ifdef ASSERT | |
| 408 #define trueInDebug true | |
| 409 #define falseInDebug false | |
| 410 #else | |
| 411 #define trueInDebug false | |
| 412 #define falseInDebug true | |
| 413 #endif | |
| 414 | |
| 415 // use this for flags that are true per default in the product build | |
| 416 // but false in development builds, and vice versa | |
| 417 #ifdef PRODUCT | |
| 418 #define trueInProduct true | |
| 419 #define falseInProduct false | |
| 420 #else | |
| 421 #define trueInProduct false | |
| 422 #define falseInProduct true | |
| 423 #endif | |
| 424 | |
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425 #ifdef JAVASE_EMBEDDED |
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426 #define falseInEmbedded false |
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427 #else |
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428 #define falseInEmbedded true |
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429 #endif |
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430 |
| 0 | 431 // develop flags are settable / visible only during development and are constant in the PRODUCT version |
| 432 // product flags are always settable / visible | |
| 433 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
| 434 | |
| 435 // A flag must be declared with one of the following types: | |
| 436 // bool, intx, uintx, ccstr. | |
| 437 // The type "ccstr" is an alias for "const char*" and is used | |
| 438 // only in this file, because the macrology requires single-token type names. | |
| 439 | |
| 440 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
| 441 // They are to be used for VM quality assurance or field diagnosis | |
| 442 // of VM bugs. They are hidden so that users will not be encouraged to | |
| 443 // try them as if they were VM ordinary execution options. However, they | |
| 444 // are available in the product version of the VM. Under instruction | |
| 445 // from support engineers, VM customers can turn them on to collect | |
| 446 // diagnostic information about VM problems. To use a VM diagnostic | |
| 447 // option, you must first specify +UnlockDiagnosticVMOptions. | |
| 448 // (This master switch also affects the behavior of -Xprintflags.) | |
|
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449 // |
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450 // experimental flags are in support of features that are not |
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451 // part of the officially supported product, but are available |
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452 // for experimenting with. They could, for example, be performance |
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453 // features that may not have undergone full or rigorous QA, but which may |
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454 // help performance in some cases and released for experimentation |
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455 // by the community of users and developers. This flag also allows one to |
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456 // be able to build a fully supported product that nonetheless also |
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457 // ships with some unsupported, lightly tested, experimental features. |
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458 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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459 // UnlockExperimentalVMOptions flag, which allows the control and |
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460 // modification of the experimental flags. |
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461 // |
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462 // Nota bene: neither diagnostic nor experimental options should be used casually, |
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463 // and they are not supported on production loads, except under explicit |
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464 // direction from support engineers. |
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465 // |
| 0 | 466 // manageable flags are writeable external product flags. |
| 467 // They are dynamically writeable through the JDK management interface | |
| 468 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
| 469 // These flags are external exported interface (see CCC). The list of | |
| 470 // manageable flags can be queried programmatically through the management | |
| 471 // interface. | |
| 472 // | |
| 473 // A flag can be made as "manageable" only if | |
| 474 // - the flag is defined in a CCC as an external exported interface. | |
| 475 // - the VM implementation supports dynamic setting of the flag. | |
| 476 // This implies that the VM must *always* query the flag variable | |
| 477 // and not reuse state related to the flag state at any given time. | |
| 478 // - you want the flag to be queried programmatically by the customers. | |
| 479 // | |
| 480 // product_rw flags are writeable internal product flags. | |
| 481 // They are like "manageable" flags but for internal/private use. | |
| 482 // The list of product_rw flags are internal/private flags which | |
| 483 // may be changed/removed in a future release. It can be set | |
| 484 // through the management interface to get/set value | |
| 485 // when the name of flag is supplied. | |
| 486 // | |
| 487 // A flag can be made as "product_rw" only if | |
| 488 // - the VM implementation supports dynamic setting of the flag. | |
| 489 // This implies that the VM must *always* query the flag variable | |
| 490 // and not reuse state related to the flag state at any given time. | |
| 491 // | |
| 492 // Note that when there is a need to support develop flags to be writeable, | |
| 493 // it can be done in the same way as product_rw. | |
| 494 | |
|
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495 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
|
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496 \ |
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497 lp64_product(bool, UseCompressedOops, false, \ |
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498 "Use 32-bit object references in 64-bit VM. " \ |
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499 "lp64_product means flag is always constant in 32 bit VM") \ |
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500 \ |
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501 lp64_product(bool, UseCompressedClassPointers, false, \ |
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502 "Use 32-bit class pointers in 64-bit VM. " \ |
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503 "lp64_product means flag is always constant in 32 bit VM") \ |
| 0 | 504 \ |
|
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505 notproduct(bool, CheckCompressedOops, true, \ |
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506 "Generate checks in encoding/decoding code in debug VM") \ |
|
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507 \ |
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508 product_pd(uintx, HeapBaseMinAddress, \ |
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509 "OS specific low limit for heap base address") \ |
|
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510 \ |
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511 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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512 "Print compressed oops base address and encoding mode") \ |
|
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513 \ |
|
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514 lp64_product(intx, ObjectAlignmentInBytes, 8, \ |
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515 "Default object alignment in bytes, 8 is minimum") \ |
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516 \ |
|
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517 product(bool, AssumeMP, false, \ |
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518 "Instruct the VM to assume multiple processors are available") \ |
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519 \ |
| 0 | 520 /* UseMembar is theoretically a temp flag used for memory barrier \ |
| 521 * removal testing. It was supposed to be removed before FCS but has \ | |
| 522 * been re-added (see 6401008) */ \ | |
|
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523 product_pd(bool, UseMembar, \ |
| 0 | 524 "(Unstable) Issues membars on thread state transitions") \ |
| 525 \ | |
|
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526 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ |
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527 "Clean the chunk pool asynchronously") \ |
|
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528 \ |
| 6818 | 529 /* Temporary: See 6948537 */ \ |
|
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530 experimental(bool, UseMemSetInBOT, true, \ |
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531 "(Unstable) uses memset in BOT updates in GC code") \ |
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532 \ |
| 0 | 533 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ |
|
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534 "Enable normal processing of flags relating to field diagnostics")\ |
|
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535 \ |
|
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536 experimental(bool, UnlockExperimentalVMOptions, false, \ |
|
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537 "Enable normal processing of flags relating to experimental " \ |
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538 "features") \ |
| 0 | 539 \ |
| 540 product(bool, JavaMonitorsInStackTrace, true, \ | |
|
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541 "Print information about Java monitor locks when the stacks are" \ |
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542 "dumped") \ |
| 0 | 543 \ |
| 544 product_pd(bool, UseLargePages, \ | |
| 545 "Use large page memory") \ | |
| 546 \ | |
|
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547 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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548 "Allocate large pages individually for better affinity") \ |
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549 \ |
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550 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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551 "Fail large pages individual allocation") \ |
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552 \ |
|
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553 product(bool, UseLargePagesInMetaspace, false, \ |
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554 "Use large page memory in metaspace. " \ |
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555 "Only used if UseLargePages is enabled.") \ |
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556 \ |
| 0 | 557 develop(bool, TracePageSizes, false, \ |
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558 "Trace page size selection and usage") \ |
| 0 | 559 \ |
| 560 product(bool, UseNUMA, false, \ | |
| 561 "Use NUMA if available") \ | |
| 562 \ | |
| 3885 | 563 product(bool, UseNUMAInterleaving, false, \ |
| 564 "Interleave memory across NUMA nodes if available") \ | |
| 565 \ | |
| 566 product(uintx, NUMAInterleaveGranularity, 2*M, \ | |
| 567 "Granularity to use for NUMA interleaving on Windows OS") \ | |
| 568 \ | |
|
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569 product(bool, ForceNUMA, false, \ |
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570 "Force NUMA optimizations on single-node/UMA systems") \ |
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571 \ |
|
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572 product(uintx, NUMAChunkResizeWeight, 20, \ |
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573 "Percentage (0-100) used to weigh the current sample when " \ |
| 0 | 574 "computing exponentially decaying average for " \ |
| 575 "AdaptiveNUMAChunkSizing") \ | |
| 576 \ | |
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577 product(uintx, NUMASpaceResizeRate, 1*G, \ |
|
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578 "Do not reallocate more than this amount per collection") \ |
| 0 | 579 \ |
| 580 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
| 581 "Enable adaptive chunk sizing for NUMA") \ | |
| 582 \ | |
| 583 product(bool, NUMAStats, false, \ | |
| 584 "Print NUMA stats in detailed heap information") \ | |
| 585 \ | |
|
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586 product(uintx, NUMAPageScanRate, 256, \ |
| 0 | 587 "Maximum number of pages to include in the page scan procedure") \ |
| 588 \ | |
| 589 product_pd(bool, NeedsDeoptSuspend, \ | |
| 590 "True for register window machines (sparc/ia64)") \ | |
| 591 \ | |
| 592 product(intx, UseSSE, 99, \ | |
| 593 "Highest supported SSE instructions set on x86/x64") \ | |
| 594 \ | |
|
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595 product(bool, UseAES, false, \ |
| 6894 | 596 "Control whether AES instructions can be used on x86/x64") \ |
| 597 \ | |
| 0 | 598 product(uintx, LargePageSizeInBytes, 0, \ |
|
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599 "Large page size (0 to let VM choose the page size)") \ |
| 0 | 600 \ |
| 601 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
|
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602 "Use large pages if maximum heap is at least this big") \ |
| 0 | 603 \ |
| 604 product(bool, ForceTimeHighResolution, false, \ | |
|
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605 "Using high time resolution (for Win32 only)") \ |
| 0 | 606 \ |
| 607 develop(bool, TraceItables, false, \ | |
| 608 "Trace initialization and use of itables") \ | |
| 609 \ | |
| 610 develop(bool, TracePcPatching, false, \ | |
| 611 "Trace usage of frame::patch_pc") \ | |
| 612 \ | |
| 613 develop(bool, TraceJumps, false, \ | |
| 614 "Trace assembly jumps in thread ring buffer") \ | |
| 615 \ | |
| 616 develop(bool, TraceRelocator, false, \ | |
| 617 "Trace the bytecode relocator") \ | |
| 618 \ | |
| 619 develop(bool, TraceLongCompiles, false, \ | |
| 620 "Print out every time compilation is longer than " \ | |
|
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621 "a given threshold") \ |
| 0 | 622 \ |
| 623 develop(bool, SafepointALot, false, \ | |
|
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624 "Generate a lot of safepoints. This works with " \ |
| 0 | 625 "GuaranteedSafepointInterval") \ |
| 626 \ | |
| 627 product_pd(bool, BackgroundCompilation, \ | |
| 628 "A thread requesting compilation is not blocked during " \ | |
| 629 "compilation") \ | |
| 630 \ | |
| 631 product(bool, PrintVMQWaitTime, false, \ | |
|
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632 "Print out the waiting time in VM operation queue") \ |
| 0 | 633 \ |
| 634 develop(bool, NoYieldsInMicrolock, false, \ | |
| 635 "Disable yields in microlock") \ | |
| 636 \ | |
| 637 develop(bool, TraceOopMapGeneration, false, \ | |
|
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638 "Show OopMapGeneration") \ |
| 0 | 639 \ |
| 640 product(bool, MethodFlushing, true, \ | |
| 641 "Reclamation of zombie and not-entrant methods") \ | |
| 642 \ | |
| 643 develop(bool, VerifyStack, false, \ | |
| 644 "Verify stack of each thread when it is entering a runtime call") \ | |
| 645 \ | |
|
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646 diagnostic(bool, ForceUnreachable, false, \ |
|
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647 "Make all non code cache addresses to be unreachable by " \ |
|
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648 "forcing use of 64bit literal fixups") \ |
| 0 | 649 \ |
| 650 notproduct(bool, StressDerivedPointers, false, \ | |
|
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651 "Force scavenge when a derived pointer is detected on stack " \ |
| 0 | 652 "after rtm call") \ |
| 653 \ | |
| 654 develop(bool, TraceDerivedPointers, false, \ | |
| 655 "Trace traversal of derived pointers on stack") \ | |
| 656 \ | |
| 657 notproduct(bool, TraceCodeBlobStacks, false, \ | |
| 658 "Trace stack-walk of codeblobs") \ | |
| 659 \ | |
| 660 product(bool, PrintJNIResolving, false, \ | |
| 661 "Used to implement -v:jni") \ | |
| 662 \ | |
| 663 notproduct(bool, PrintRewrites, false, \ | |
| 664 "Print methods that are being rewritten") \ | |
| 665 \ | |
| 666 product(bool, UseInlineCaches, true, \ | |
| 667 "Use Inline Caches for virtual calls ") \ | |
| 668 \ | |
| 669 develop(bool, InlineArrayCopy, true, \ | |
|
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670 "Inline arraycopy native that is known to be part of " \ |
| 0 | 671 "base library DLL") \ |
| 672 \ | |
| 673 develop(bool, InlineObjectHash, true, \ | |
|
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674 "Inline Object::hashCode() native that is known to be part " \ |
| 0 | 675 "of base library DLL") \ |
| 676 \ | |
| 677 develop(bool, InlineNatives, true, \ | |
|
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678 "Inline natives that are known to be part of base library DLL") \ |
| 0 | 679 \ |
| 680 develop(bool, InlineMathNatives, true, \ | |
|
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681 "Inline SinD, CosD, etc.") \ |
| 0 | 682 \ |
| 683 develop(bool, InlineClassNatives, true, \ | |
|
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684 "Inline Class.isInstance, etc") \ |
| 0 | 685 \ |
| 686 develop(bool, InlineThreadNatives, true, \ | |
|
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687 "Inline Thread.currentThread, etc") \ |
| 0 | 688 \ |
| 689 develop(bool, InlineUnsafeOps, true, \ | |
|
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690 "Inline memory ops (native methods) from sun.misc.Unsafe") \ |
| 0 | 691 \ |
|
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692 product(bool, CriticalJNINatives, true, \ |
|
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693 "Check for critical JNI entry points") \ |
|
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694 \ |
|
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695 notproduct(bool, StressCriticalJNINatives, false, \ |
|
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696 "Exercise register saving code in critical natives") \ |
|
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697 \ |
| 681 | 698 product(bool, UseSSE42Intrinsics, false, \ |
| 699 "SSE4.2 versions of intrinsics") \ | |
| 700 \ | |
| 6894 | 701 product(bool, UseAESIntrinsics, false, \ |
|
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702 "Use intrinsics for AES versions of crypto") \ |
| 6894 | 703 \ |
|
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704 product(bool, UseCRC32Intrinsics, false, \ |
|
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705 "use intrinsics for java.util.zip.CRC32") \ |
|
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706 \ |
| 0 | 707 develop(bool, TraceCallFixup, false, \ |
|
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708 "Trace all call fixups") \ |
| 0 | 709 \ |
| 710 develop(bool, DeoptimizeALot, false, \ | |
|
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711 "Deoptimize at every exit from the runtime system") \ |
| 0 | 712 \ |
| 434 | 713 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
|
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714 "A comma separated list of bcis to deoptimize at") \ |
| 0 | 715 \ |
| 716 product(bool, DeoptimizeRandom, false, \ | |
|
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717 "Deoptimize random frames on random exit from the runtime system")\ |
| 0 | 718 \ |
| 719 notproduct(bool, ZombieALot, false, \ | |
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720 "Create zombies (non-entrant) at exit from the runtime system") \ |
| 0 | 721 \ |
|
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722 product(bool, UnlinkSymbolsALot, false, \ |
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723 "Unlink unreferenced symbols from the symbol table at safepoints")\ |
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724 \ |
| 0 | 725 notproduct(bool, WalkStackALot, false, \ |
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726 "Trace stack (no print) at every exit from the runtime system") \ |
| 0 | 727 \ |
| 4006 | 728 product(bool, Debugging, false, \ |
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729 "Set when executing debug methods in debug.cpp " \ |
| 0 | 730 "(to prevent triggering assertions)") \ |
| 731 \ | |
| 732 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
| 733 "Enable strict checks that safepoints cannot happen for threads " \ | |
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734 "that use No_Safepoint_Verifier") \ |
| 0 | 735 \ |
| 736 notproduct(bool, VerifyLastFrame, false, \ | |
| 737 "Verify oops on last frame on entry to VM") \ | |
| 738 \ | |
| 739 develop(bool, TraceHandleAllocation, false, \ | |
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740 "Print out warnings when suspiciously many handles are allocated")\ |
| 0 | 741 \ |
| 742 product(bool, UseCompilerSafepoints, true, \ | |
| 743 "Stop at safepoints in compiled code") \ | |
| 744 \ | |
| 745 product(bool, FailOverToOldVerifier, true, \ | |
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746 "Fail over to old verifier when split verifier fails") \ |
| 0 | 747 \ |
| 748 develop(bool, ShowSafepointMsgs, false, \ | |
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749 "Show message about safepoint synchronization") \ |
| 0 | 750 \ |
| 751 product(bool, SafepointTimeout, false, \ | |
| 752 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
| 753 "milliseconds if failed to reach safepoint") \ | |
| 754 \ | |
| 755 develop(bool, DieOnSafepointTimeout, false, \ | |
| 756 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
| 757 \ | |
| 758 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
| 759 /* typically, at most a few retries are needed */ \ | |
| 760 product(intx, SuspendRetryCount, 50, \ | |
| 761 "Maximum retry count for an external suspend request") \ | |
| 762 \ | |
| 763 product(intx, SuspendRetryDelay, 5, \ | |
| 764 "Milliseconds to delay per retry (* current_retry_count)") \ | |
| 765 \ | |
| 766 product(bool, AssertOnSuspendWaitFailure, false, \ | |
| 767 "Assert/Guarantee on external suspend wait failure") \ | |
| 768 \ | |
| 769 product(bool, TraceSuspendWaitFailures, false, \ | |
| 770 "Trace external suspend wait failures") \ | |
| 771 \ | |
| 772 product(bool, MaxFDLimit, true, \ | |
|
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773 "Bump the number of file descriptors to maximum in Solaris") \ |
| 0 | 774 \ |
|
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775 diagnostic(bool, LogEvents, true, \ |
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776 "Enable the various ring buffer event logs") \ |
|
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777 \ |
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778 diagnostic(uintx, LogEventsBufferEntries, 10, \ |
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779 "Number of ring buffer event logs") \ |
| 0 | 780 \ |
| 781 product(bool, BytecodeVerificationRemote, true, \ | |
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782 "Enable the Java bytecode verifier for remote classes") \ |
| 0 | 783 \ |
| 784 product(bool, BytecodeVerificationLocal, false, \ | |
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785 "Enable the Java bytecode verifier for local classes") \ |
| 0 | 786 \ |
| 787 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
| 788 "Force exceptions on FP stack under/overflow") \ | |
| 789 \ | |
| 790 develop(bool, VerifyStackAtCalls, false, \ | |
| 791 "Verify that the stack pointer is unchanged after calls") \ | |
| 792 \ | |
| 793 develop(bool, TraceJavaAssertions, false, \ | |
| 794 "Trace java language assertions") \ | |
| 795 \ | |
| 796 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
|
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797 "Temporary - see javaClasses.cpp") \ |
| 0 | 798 \ |
| 799 notproduct(bool, PrintMallocFree, false, \ | |
| 800 "Trace calls to C heap malloc/free allocation") \ | |
| 801 \ | |
|
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802 product(bool, PrintOopAddress, false, \ |
| 0 | 803 "Always print the location of the oop") \ |
| 804 \ | |
| 805 notproduct(bool, VerifyCodeCacheOften, false, \ | |
| 806 "Verify compiled-code cache often") \ | |
| 807 \ | |
| 808 develop(bool, ZapDeadCompiledLocals, false, \ | |
| 809 "Zap dead locals in compiler frames") \ | |
| 810 \ | |
| 811 notproduct(bool, ZapDeadLocalsOld, false, \ | |
| 812 "Zap dead locals (old version, zaps all frames when " \ | |
| 813 "entering the VM") \ | |
| 814 \ | |
| 815 notproduct(bool, CheckOopishValues, false, \ | |
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816 "Warn if value contains oop (requires ZapDeadLocals)") \ |
| 0 | 817 \ |
| 818 develop(bool, UseMallocOnly, false, \ | |
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819 "Use only malloc/free for allocation (no resource area/arena)") \ |
| 0 | 820 \ |
| 821 develop(bool, PrintMalloc, false, \ | |
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822 "Print all malloc/free calls") \ |
| 0 | 823 \ |
| 2250 | 824 develop(bool, PrintMallocStatistics, false, \ |
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825 "Print malloc/free statistics") \ |
| 2250 | 826 \ |
| 0 | 827 develop(bool, ZapResourceArea, trueInDebug, \ |
| 828 "Zap freed resource/arena space with 0xABABABAB") \ | |
| 829 \ | |
| 830 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
| 831 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
| 832 \ | |
| 833 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
| 834 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
| 835 \ | |
|
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836 notproduct(bool, ZapStackSegments, trueInDebug, \ |
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837 "Zap allocated/freed stack segments with 0xFADFADED") \ |
|
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838 \ |
|
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839 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
| 0 | 840 "Zap unused heap space with 0xBAADBABE") \ |
| 841 \ | |
|
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842 develop(bool, TraceZapUnusedHeapArea, false, \ |
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843 "Trace zapping of unused heap space") \ |
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844 \ |
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845 develop(bool, CheckZapUnusedHeapArea, false, \ |
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846 "Check zapping of unused heap space") \ |
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847 \ |
|
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848 develop(bool, ZapFillerObjects, trueInDebug, \ |
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849 "Zap filler objects with 0xDEAFBABE") \ |
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850 \ |
| 0 | 851 develop(bool, PrintVMMessages, true, \ |
|
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852 "Print VM messages on console") \ |
| 0 | 853 \ |
| 854 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
| 855 "Print the time the application has been running") \ | |
| 856 \ | |
| 857 product(bool, PrintGCApplicationStoppedTime, false, \ | |
| 858 "Print the time the application has been stopped") \ | |
| 859 \ | |
| 6605 | 860 diagnostic(bool, VerboseVerification, false, \ |
|
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861 "Display detailed verification details") \ |
| 6605 | 862 \ |
|
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863 notproduct(uintx, ErrorHandlerTest, 0, \ |
|
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864 "If > 0, provokes an error after VM initialization; the value " \ |
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865 "determines which error to provoke. See test_error_handler() " \ |
|
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866 "in debug.cpp.") \ |
|
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867 \ |
| 0 | 868 develop(bool, Verbose, false, \ |
|
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869 "Print additional debugging information from other modes") \ |
| 0 | 870 \ |
| 871 develop(bool, PrintMiscellaneous, false, \ | |
|
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872 "Print uncategorized debugging information (requires +Verbose)") \ |
| 0 | 873 \ |
| 874 develop(bool, WizardMode, false, \ | |
|
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875 "Print much more debugging information") \ |
| 0 | 876 \ |
| 877 product(bool, ShowMessageBoxOnError, false, \ | |
| 878 "Keep process alive on VM fatal error") \ | |
| 879 \ | |
|
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880 product(bool, CreateMinidumpOnCrash, false, \ |
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881 "Create minidump on VM fatal error") \ |
|
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882 \ |
| 0 | 883 product_pd(bool, UseOSErrorReporting, \ |
| 884 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
| 885 \ | |
| 886 product(bool, SuppressFatalErrorMessage, false, \ | |
|
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887 "Report NO fatal error message (avoid deadlock)") \ |
| 0 | 888 \ |
| 889 product(ccstrlist, OnError, "", \ | |
| 890 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
| 891 "for examples") \ | |
| 892 \ | |
| 893 product(ccstrlist, OnOutOfMemoryError, "", \ | |
| 894 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
| 895 \ | |
|
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896 manageable(bool, HeapDumpBeforeFullGC, false, \ |
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897 "Dump heap to file before any major stop-the-world GC") \ |
|
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898 \ |
|
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899 manageable(bool, HeapDumpAfterFullGC, false, \ |
|
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900 "Dump heap to file after any major stop-the-world GC") \ |
|
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901 \ |
| 0 | 902 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
| 903 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
| 904 \ | |
| 905 manageable(ccstr, HeapDumpPath, NULL, \ | |
|
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906 "When HeapDumpOnOutOfMemoryError is on, the path (filename or " \ |
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907 "directory) of the dump file (defaults to java_pid<pid>.hprof " \ |
| 0 | 908 "in the working directory)") \ |
| 909 \ | |
| 910 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
| 911 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
| 912 "when the heap usage is larger than this") \ | |
| 913 \ | |
| 914 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
| 915 "Approximate segment size when generating a segmented heap dump") \ | |
| 916 \ | |
| 917 develop(bool, BreakAtWarning, false, \ | |
| 918 "Execute breakpoint upon encountering VM warning") \ | |
| 919 \ | |
| 920 develop(bool, TraceVMOperation, false, \ | |
|
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921 "Trace VM operations") \ |
| 0 | 922 \ |
| 923 develop(bool, UseFakeTimers, false, \ | |
|
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924 "Tell whether the VM should use system time or a fake timer") \ |
| 0 | 925 \ |
| 6197 | 926 product(ccstr, NativeMemoryTracking, "off", \ |
| 927 "Native memory tracking options") \ | |
| 928 \ | |
|
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929 diagnostic(bool, PrintNMTStatistics, false, \ |
|
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930 "Print native memory tracking summary data if it is on") \ |
|
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931 \ |
|
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932 diagnostic(bool, AutoShutdownNMT, true, \ |
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933 "Automatically shutdown native memory tracking under stress " \ |
|
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934 "situations. When set to false, native memory tracking tries to " \ |
|
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935 "stay alive at the expense of JVM performance") \ |
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936 \ |
| 0 | 937 diagnostic(bool, LogCompilation, false, \ |
|
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938 "Log compilation activity in detail to LogFile") \ |
| 0 | 939 \ |
| 940 product(bool, PrintCompilation, false, \ | |
| 941 "Print compilations") \ | |
| 942 \ | |
| 943 diagnostic(bool, TraceNMethodInstalls, false, \ | |
|
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944 "Trace nmethod installation") \ |
| 0 | 945 \ |
|
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946 diagnostic(intx, ScavengeRootsInCode, 2, \ |
|
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947 "0: do not allow scavengable oops in the code cache; " \ |
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948 "1: allow scavenging from the code cache; " \ |
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949 "2: emit as many constants as the compiler can see") \ |
|
989
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|
950 \ |
| 0 | 951 product(bool, AlwaysRestoreFPU, false, \ |
| 952 "Restore the FPU control word after every JNI call (expensive)") \ | |
| 953 \ | |
|
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954 diagnostic(bool, PrintCompilation2, false, \ |
| 0 | 955 "Print additional statistics per compilation") \ |
| 956 \ | |
|
100
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|
957 diagnostic(bool, PrintAdapterHandlers, false, \ |
| 0 | 958 "Print code generated for i2c/c2i adapters") \ |
| 959 \ | |
|
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960 diagnostic(bool, VerifyAdapterCalls, trueInDebug, \ |
|
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961 "Verify that i2c/c2i adapters are called properly") \ |
|
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962 \ |
|
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963 develop(bool, VerifyAdapterSharing, false, \ |
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964 "Verify that the code for shared adapters is the equivalent") \ |
|
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965 \ |
|
100
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966 diagnostic(bool, PrintAssembly, false, \ |
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967 "Print assembly code (using external disassembler.so)") \ |
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968 \ |
|
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969 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
|
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970 "Print options string passed to disassembler.so") \ |
|
100
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971 \ |
|
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972 diagnostic(bool, PrintNMethods, false, \ |
| 0 | 973 "Print assembly code for nmethods when generated") \ |
| 974 \ | |
|
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975 diagnostic(bool, PrintNativeNMethods, false, \ |
| 0 | 976 "Print assembly code for native nmethods when generated") \ |
| 977 \ | |
| 978 develop(bool, PrintDebugInfo, false, \ | |
| 979 "Print debug information for all nmethods when generated") \ | |
| 980 \ | |
| 981 develop(bool, PrintRelocations, false, \ | |
| 982 "Print relocation information for all nmethods when generated") \ | |
| 983 \ | |
| 984 develop(bool, PrintDependencies, false, \ | |
| 985 "Print dependency information for all nmethods when generated") \ | |
| 986 \ | |
| 987 develop(bool, PrintExceptionHandlers, false, \ | |
| 988 "Print exception handler tables for all nmethods when generated") \ | |
| 989 \ | |
|
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990 develop(bool, StressCompiledExceptionHandlers, false, \ |
|
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991 "Exercise compiled exception handlers") \ |
|
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992 \ |
| 0 | 993 develop(bool, InterceptOSException, false, \ |
|
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994 "Start debugger when an implicit OS (e.g. NULL) " \ |
| 0 | 995 "exception happens") \ |
| 996 \ | |
|
7595
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997 product(bool, PrintCodeCache, false, \ |
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998 "Print the code cache memory usage when exiting") \ |
| 0 | 999 \ |
| 1000 develop(bool, PrintCodeCache2, false, \ | |
|
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1001 "Print detailed usage information on the code cache when exiting")\ |
|
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1002 \ |
|
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1003 product(bool, PrintCodeCacheOnCompilation, false, \ |
|
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1004 "Print the code cache memory usage each time a method is " \ |
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1005 "compiled") \ |
| 0 | 1006 \ |
|
100
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1007 diagnostic(bool, PrintStubCode, false, \ |
| 0 | 1008 "Print generated stub code") \ |
| 1009 \ | |
| 1010 product(bool, StackTraceInThrowable, true, \ | |
| 1011 "Collect backtrace in throwable when exception happens") \ | |
| 1012 \ | |
| 1013 product(bool, OmitStackTraceInFastThrow, true, \ | |
| 1014 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
| 1015 \ | |
| 1016 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
|
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1017 "Print bytecode statistics when dumping profiler output") \ |
| 0 | 1018 \ |
| 1019 product(bool, ProfilerRecordPC, false, \ | |
|
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1020 "Collect ticks for each 16 byte interval of compiled code") \ |
| 0 | 1021 \ |
| 1064 | 1022 product(bool, ProfileVM, false, \ |
|
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1023 "Profile ticks that fall within VM (either in the VM Thread " \ |
| 0 | 1024 "or VM code called through stubs)") \ |
| 1025 \ | |
| 1026 product(bool, ProfileIntervals, false, \ | |
|
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1027 "Print profiles for each interval (see ProfileIntervalsTicks)") \ |
| 0 | 1028 \ |
| 1029 notproduct(bool, ProfilerCheckIntervals, false, \ | |
|
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1030 "Collect and print information on spacing of profiler ticks") \ |
| 0 | 1031 \ |
| 1032 develop(bool, PrintJVMWarnings, false, \ | |
|
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1033 "Print warnings for unimplemented JVM functions") \ |
| 0 | 1034 \ |
|
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1035 product(bool, PrintWarnings, true, \ |
|
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1036 "Print JVM warnings to output stream") \ |
|
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1037 \ |
| 0 | 1038 notproduct(uintx, WarnOnStalledSpinLock, 0, \ |
|
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1039 "Print warnings for stalled SpinLocks") \ |
| 0 | 1040 \ |
| 1041 product(bool, RegisterFinalizersAtInit, true, \ | |
| 1042 "Register finalizable objects at end of Object.<init> or " \ | |
| 1064 | 1043 "after allocation") \ |
| 0 | 1044 \ |
| 1045 develop(bool, RegisterReferences, true, \ | |
|
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1046 "Tell whether the VM should register soft/weak/final/phantom " \ |
| 0 | 1047 "references") \ |
| 1048 \ | |
| 1049 develop(bool, IgnoreRewrites, false, \ | |
|
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1050 "Suppress rewrites of bytecodes in the oopmap generator. " \ |
| 0 | 1051 "This is unsafe!") \ |
| 1052 \ | |
| 1053 develop(bool, PrintCodeCacheExtension, false, \ | |
| 1054 "Print extension of code cache") \ | |
| 1055 \ | |
| 1056 develop(bool, UsePrivilegedStack, true, \ | |
| 1057 "Enable the security JVM functions") \ | |
| 1058 \ | |
| 1059 develop(bool, ProtectionDomainVerification, true, \ | |
|
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1060 "Verify protection domain before resolution in system dictionary")\ |
| 0 | 1061 \ |
| 1062 product(bool, ClassUnloading, true, \ | |
| 1063 "Do unloading of classes") \ | |
| 1064 \ | |
| 1065 develop(bool, DisableStartThread, false, \ | |
| 1066 "Disable starting of additional Java threads " \ | |
| 1067 "(for debugging only)") \ | |
| 1068 \ | |
| 1069 develop(bool, MemProfiling, false, \ | |
| 1070 "Write memory usage profiling to log file") \ | |
| 1071 \ | |
| 1072 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
|
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1073 "Print the system dictionary at exit") \ |
| 0 | 1074 \ |
|
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1075 experimental(intx, PredictedLoadedClassCount, 0, \ |
|
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1076 "Experimental: Tune loaded class cache starting size") \ |
|
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1077 \ |
| 0 | 1078 diagnostic(bool, UnsyncloadClass, false, \ |
| 514 | 1079 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
|
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1080 "class loader must call VM synchronized for findClass " \ |
| 514 | 1081 "and defineClass.") \ |
| 1082 \ | |
| 1083 product(bool, AlwaysLockClassLoader, false, \ | |
| 1084 "Require the VM to acquire the class loader lock before calling " \ | |
| 1085 "loadClass() even for class loaders registering " \ | |
| 1064 | 1086 "as parallel capable") \ |
| 514 | 1087 \ |
| 1088 product(bool, AllowParallelDefineClass, false, \ | |
| 1089 "Allow parallel defineClass requests for class loaders " \ | |
| 1064 | 1090 "registering as parallel capable") \ |
| 514 | 1091 \ |
| 1092 product(bool, MustCallLoadClassInternal, false, \ | |
| 1064 | 1093 "Call loadClassInternal() rather than loadClass()") \ |
| 0 | 1094 \ |
| 1095 product_pd(bool, DontYieldALot, \ | |
|
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1096 "Throw away obvious excess yield calls (for Solaris only)") \ |
| 0 | 1097 \ |
| 1098 product_pd(bool, ConvertSleepToYield, \ | |
|
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1099 "Convert sleep(0) to thread yield " \ |
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1100 "(may be off for Solaris to improve GUI)") \ |
| 0 | 1101 \ |
| 1102 product(bool, ConvertYieldToSleep, false, \ | |
|
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1103 "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \ |
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1104 "behavior (Solaris only)") \ |
| 0 | 1105 \ |
| 1106 product(bool, UseBoundThreads, true, \ | |
|
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1107 "Bind user level threads to kernel threads (for Solaris only)") \ |
| 0 | 1108 \ |
| 1109 develop(bool, UseDetachedThreads, true, \ | |
| 1110 "Use detached threads that are recycled upon termination " \ | |
|
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1111 "(for Solaris only)") \ |
| 0 | 1112 \ |
| 1113 product(bool, UseLWPSynchronization, true, \ | |
| 1114 "Use LWP-based instead of libthread-based synchronization " \ | |
| 1115 "(SPARC only)") \ | |
| 1116 \ | |
|
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1117 product(ccstr, SyncKnobs, NULL, \ |
| 0 | 1118 "(Unstable) Various monitor synchronization tunables") \ |
| 1119 \ | |
| 1120 product(intx, EmitSync, 0, \ | |
|
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1121 "(Unsafe, Unstable) " \ |
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1122 "Control emission of inline sync fast-path code") \ |
| 0 | 1123 \ |
| 1587 | 1124 product(intx, MonitorBound, 0, "Bound Monitor population") \ |
| 1125 \ | |
| 1126 product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ | |
| 1127 \ | |
|
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1128 product(intx, SyncFlags, 0, "(Unsafe, Unstable) Experimental Sync flags") \ |
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1129 \ |
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1130 product(intx, SyncVerbose, 0, "(Unstable)") \ |
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1131 \ |
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1132 product(intx, ClearFPUAtPark, 0, "(Unsafe, Unstable)") \ |
| 0 | 1133 \ |
| 7587 | 1134 product(intx, hashCode, 5, \ |
|
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1135 "(Unstable) select hashCode generation algorithm") \ |
| 0 | 1136 \ |
| 1137 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
|
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1138 "(Unstable, Linux-specific) " \ |
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1139 "avoid NPTL-FUTEX hang pthread_cond_timedwait") \ |
| 0 | 1140 \ |
| 1064 | 1141 product(bool, FilterSpuriousWakeups, true, \ |
| 1142 "Prevent spurious or premature wakeups from object.wait " \ | |
| 1143 "(Solaris only)") \ | |
| 0 | 1144 \ |
| 18077 | 1145 experimental(intx, NativeMonitorTimeout, -1, "(Unstable)") \ |
| 1146 \ | |
| 1147 experimental(intx, NativeMonitorFlags, 0, "(Unstable)") \ | |
| 1148 \ | |
| 1149 experimental(intx, NativeMonitorSpinLimit, 20, "(Unstable)") \ | |
| 0 | 1150 \ |
| 1151 develop(bool, UsePthreads, false, \ | |
| 1152 "Use pthread-based instead of libthread-based synchronization " \ | |
| 1153 "(SPARC only)") \ | |
| 1154 \ | |
| 1155 product(bool, AdjustConcurrency, false, \ | |
|
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1156 "Call thr_setconcurrency at thread creation time to avoid " \ |
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1157 "LWP starvation on MP systems (for Solaris Only)") \ |
| 0 | 1158 \ |
| 1159 product(bool, ReduceSignalUsage, false, \ | |
| 1160 "Reduce the use of OS signals in Java and/or the VM") \ | |
| 1161 \ | |
| 1162 develop_pd(bool, ShareVtableStubs, \ | |
| 1163 "Share vtable stubs (smaller code but worse branch prediction") \ | |
| 1164 \ | |
| 1165 develop(bool, LoadLineNumberTables, true, \ | |
|
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1166 "Tell whether the class file parser loads line number tables") \ |
| 0 | 1167 \ |
| 1168 develop(bool, LoadLocalVariableTables, true, \ | |
|
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1169 "Tell whether the class file parser loads local variable tables") \ |
| 0 | 1170 \ |
| 1171 develop(bool, LoadLocalVariableTypeTables, true, \ | |
|
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1172 "Tell whether the class file parser loads local variable type" \ |
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1173 "tables") \ |
| 0 | 1174 \ |
| 1175 product(bool, AllowUserSignalHandlers, false, \ | |
| 1176 "Do not complain if the application installs signal handlers " \ | |
| 1177 "(Solaris & Linux only)") \ | |
| 1178 \ | |
| 1179 product(bool, UseSignalChaining, true, \ | |
| 1180 "Use signal-chaining to invoke signal handlers installed " \ | |
| 1181 "by the application (Solaris & Linux only)") \ | |
| 1182 \ | |
| 1183 product(bool, UseAltSigs, false, \ | |
| 1184 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
| 1064 | 1185 "internal signals (Solaris only)") \ |
| 0 | 1186 \ |
| 1187 product(bool, AllowJNIEnvProxy, false, \ | |
| 1188 "Allow JNIEnv proxies for jdbx") \ | |
| 1189 \ | |
| 1190 product(bool, JNIDetachReleasesMonitors, true, \ | |
| 1191 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
| 1192 \ | |
| 1193 product(bool, RestoreMXCSROnJNICalls, false, \ | |
| 1194 "Restore MXCSR when returning from JNI calls") \ | |
| 1195 \ | |
| 1196 product(bool, CheckJNICalls, false, \ | |
| 1197 "Verify all arguments to JNI calls") \ | |
| 1198 \ | |
| 1199 product(bool, UseFastJNIAccessors, true, \ | |
| 1200 "Use optimized versions of Get<Primitive>Field") \ | |
| 1201 \ | |
| 1202 product(bool, EagerXrunInit, false, \ | |
| 1203 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
|
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1204 "but not all -Xrun libraries may support the state of the VM " \ |
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1205 "at this time") \ |
| 0 | 1206 \ |
| 1207 product(bool, PreserveAllAnnotations, false, \ | |
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1208 "Preserve RuntimeInvisibleAnnotations as well " \ |
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1209 "as RuntimeVisibleAnnotations") \ |
| 0 | 1210 \ |
| 1211 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
| 1212 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
| 1213 \ | |
| 1214 product(bool, LazyBootClassLoader, true, \ | |
| 1215 "Enable/disable lazy opening of boot class path entries") \ | |
| 1216 \ | |
| 405 | 1217 product(bool, UseXMMForArrayCopy, false, \ |
| 1218 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
| 1219 \ | |
| 0 | 1220 product(intx, FieldsAllocationStyle, 1, \ |
|
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1221 "0 - type based with oops first, 1 - with oops last, " \ |
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1222 "2 - oops in super and sub classes are together") \ |
| 0 | 1223 \ |
| 1224 product(bool, CompactFields, true, \ | |
| 1225 "Allocate nonstatic fields in gaps between previous fields") \ | |
| 1226 \ | |
| 7587 | 1227 notproduct(bool, PrintFieldLayout, false, \ |
| 1228 "Print field layout for each class") \ | |
| 1229 \ | |
| 1230 product(intx, ContendedPaddingWidth, 128, \ | |
| 1231 "How many bytes to pad the fields/classes marked @Contended with")\ | |
| 1232 \ | |
| 1233 product(bool, EnableContended, true, \ | |
| 1234 "Enable @Contended annotation support") \ | |
| 1235 \ | |
| 1236 product(bool, RestrictContended, true, \ | |
| 1237 "Restrict @Contended to trusted classes") \ | |
| 1238 \ | |
| 0 | 1239 product(bool, UseBiasedLocking, true, \ |
| 1240 "Enable biased locking in JVM") \ | |
| 1241 \ | |
| 1242 product(intx, BiasedLockingStartupDelay, 4000, \ | |
| 1243 "Number of milliseconds to wait before enabling biased locking") \ | |
| 1244 \ | |
| 1245 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
| 1246 "Print statistics of biased locking in JVM") \ | |
| 1247 \ | |
| 1248 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
| 1249 "Threshold of number of revocations per type to try to " \ | |
| 1250 "rebias all objects in the heap of that type") \ | |
| 1251 \ | |
| 1252 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
| 1253 "Threshold of number of revocations per type to permanently " \ | |
| 1254 "revoke biases of all objects in the heap of that type") \ | |
| 1255 \ | |
| 1256 product(intx, BiasedLockingDecayTime, 25000, \ | |
| 1257 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
| 1258 "type after previous bulk rebias") \ | |
| 1259 \ | |
| 1260 /* tracing */ \ | |
| 1261 \ | |
| 1262 notproduct(bool, TraceRuntimeCalls, false, \ | |
| 1263 "Trace run-time calls") \ | |
| 1264 \ | |
| 1265 develop(bool, TraceJNICalls, false, \ | |
| 1266 "Trace JNI calls") \ | |
| 1267 \ | |
|
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1268 develop(bool, StressRewriter, false, \ |
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1269 "Stress linktime bytecode rewriting") \ |
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1270 \ |
| 0 | 1271 notproduct(bool, TraceJVMCalls, false, \ |
| 1272 "Trace JVM calls") \ | |
| 1273 \ | |
|
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1274 product(ccstr, TraceJVMTI, NULL, \ |
| 0 | 1275 "Trace flags for JVMTI functions and events") \ |
| 1276 \ | |
| 1277 /* This option can change an EMCP method into an obsolete method. */ \ | |
| 1278 /* This can affect tests that except specific methods to be EMCP. */ \ | |
| 1279 /* This option should be used with caution. */ \ | |
| 1280 product(bool, StressLdcRewrite, false, \ | |
| 1281 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
| 1282 \ | |
| 1283 product(intx, TraceRedefineClasses, 0, \ | |
| 1284 "Trace level for JVMTI RedefineClasses") \ | |
| 1285 \ | |
| 1574 | 1286 develop(bool, StressMethodComparator, false, \ |
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1287 "Run the MethodComparator on all loaded methods") \ |
| 1574 | 1288 \ |
| 0 | 1289 /* change to false by default sometime after Mustang */ \ |
| 1290 product(bool, VerifyMergedCPBytecodes, true, \ | |
| 1291 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
| 1292 \ | |
| 1293 develop(bool, TraceJNIHandleAllocation, false, \ | |
| 1294 "Trace allocation/deallocation of JNI handle blocks") \ | |
| 1295 \ | |
| 1296 develop(bool, TraceThreadEvents, false, \ | |
| 1297 "Trace all thread events") \ | |
| 1298 \ | |
| 1299 develop(bool, TraceBytecodes, false, \ | |
| 1300 "Trace bytecode execution") \ | |
| 1301 \ | |
| 1302 develop(bool, TraceClassInitialization, false, \ | |
| 1303 "Trace class initialization") \ | |
| 1304 \ | |
| 1305 develop(bool, TraceExceptions, false, \ | |
| 1306 "Trace exceptions") \ | |
| 1307 \ | |
| 1308 develop(bool, TraceICs, false, \ | |
| 1309 "Trace inline cache changes") \ | |
| 1310 \ | |
| 1311 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
| 1312 "Trace method invocation counter overflow") \ | |
| 1313 \ | |
| 1314 develop(bool, TraceInlineCacheClearing, false, \ | |
| 1315 "Trace clearing of inline caches in nmethods") \ | |
| 1316 \ | |
| 1317 develop(bool, TraceDependencies, false, \ | |
| 1318 "Trace dependencies") \ | |
| 1319 \ | |
| 1320 develop(bool, VerifyDependencies, trueInDebug, \ | |
|
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1321 "Exercise and verify the compilation dependency mechanism") \ |
| 0 | 1322 \ |
| 1323 develop(bool, TraceNewOopMapGeneration, false, \ | |
| 1324 "Trace OopMapGeneration") \ | |
| 1325 \ | |
| 1326 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
| 1327 "Trace OopMapGeneration: print detailed cell states") \ | |
| 1328 \ | |
| 1329 develop(bool, TimeOopMap, false, \ | |
| 1330 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
| 1331 \ | |
| 1332 develop(bool, TimeOopMap2, false, \ | |
| 1333 "Time calls to GenerateOopMap::compute_map() individually") \ | |
| 1334 \ | |
| 1335 develop(bool, TraceMonitorMismatch, false, \ | |
| 1336 "Trace monitor matching failures during OopMapGeneration") \ | |
| 1337 \ | |
| 1338 develop(bool, TraceOopMapRewrites, false, \ | |
|
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1339 "Trace rewriting of method oops during oop map generation") \ |
| 0 | 1340 \ |
| 1341 develop(bool, TraceSafepoint, false, \ | |
| 1342 "Trace safepoint operations") \ | |
| 1343 \ | |
| 1344 develop(bool, TraceICBuffer, false, \ | |
| 1345 "Trace usage of IC buffer") \ | |
| 1346 \ | |
| 1347 develop(bool, TraceCompiledIC, false, \ | |
| 1348 "Trace changes of compiled IC") \ | |
| 1349 \ | |
| 1350 notproduct(bool, TraceZapDeadLocals, false, \ | |
| 1351 "Trace zapping dead locals") \ | |
| 1352 \ | |
| 1353 develop(bool, TraceStartupTime, false, \ | |
| 1354 "Trace setup time") \ | |
| 1355 \ | |
| 1356 develop(bool, TraceProtectionDomainVerification, false, \ | |
|
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1357 "Trace protection domain verification") \ |
| 0 | 1358 \ |
| 1359 develop(bool, TraceClearedExceptions, false, \ | |
|
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1360 "Print when an exception is forcibly cleared") \ |
| 0 | 1361 \ |
| 1362 product(bool, TraceClassResolution, false, \ | |
| 1363 "Trace all constant pool resolutions (for debugging)") \ | |
| 1364 \ | |
| 1365 product(bool, TraceBiasedLocking, false, \ | |
| 1366 "Trace biased locking in JVM") \ | |
| 1367 \ | |
| 1368 product(bool, TraceMonitorInflation, false, \ | |
| 1369 "Trace monitor inflation in JVM") \ | |
| 1370 \ | |
| 1371 /* gc */ \ | |
| 1372 \ | |
| 1373 product(bool, UseSerialGC, false, \ | |
|
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1374 "Use the Serial garbage collector") \ |
|
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1375 \ |
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1376 product(bool, UseG1GC, false, \ |
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1377 "Use the Garbage-First garbage collector") \ |
| 0 | 1378 \ |
| 1379 product(bool, UseParallelGC, false, \ | |
| 1380 "Use the Parallel Scavenge garbage collector") \ | |
| 1381 \ | |
| 1382 product(bool, UseParallelOldGC, false, \ | |
| 1383 "Use the Parallel Old garbage collector") \ | |
| 1384 \ | |
| 1385 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
| 1386 "How often should we maximally compact the heap (not allowing " \ | |
| 1387 "any dead space)") \ | |
| 1388 \ | |
| 1389 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
| 1390 "The collection count for the first maximum compaction") \ | |
| 1391 \ | |
| 1392 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
|
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1393 "Use maximum compaction in the Parallel Old garbage collector " \ |
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1394 "for a system GC") \ |
| 0 | 1395 \ |
| 1396 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
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1397 "The mean used by the parallel compact dead wood " \ |
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1398 "limiter (a number between 0-100)") \ |
| 0 | 1399 \ |
| 1400 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
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1401 "The standard deviation used by the parallel compact dead wood " \ |
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1402 "limiter (a number between 0-100)") \ |
| 0 | 1403 \ |
| 1404 product(uintx, ParallelGCThreads, 0, \ | |
| 1405 "Number of parallel threads parallel gc will use") \ | |
| 1406 \ | |
|
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1407 product(bool, UseDynamicNumberOfGCThreads, false, \ |
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1408 "Dynamically choose the number of parallel threads " \ |
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1409 "parallel gc will use") \ |
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1410 \ |
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1411 diagnostic(bool, ForceDynamicNumberOfGCThreads, false, \ |
|
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1412 "Force dynamic selection of the number of " \ |
|
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1413 "parallel threads parallel gc will use to aid debugging") \ |
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1414 \ |
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1415 product(uintx, HeapSizePerGCThread, ScaleForWordSize(64*M), \ |
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1416 "Size of heap (bytes) per GC thread used in calculating the " \ |
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1417 "number of GC threads") \ |
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1418 \ |
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1419 product(bool, TraceDynamicGCThreads, false, \ |
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1420 "Trace the dynamic GC thread usage") \ |
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1421 \ |
|
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1422 develop(bool, ParallelOldGCSplitALot, false, \ |
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1423 "Provoke splitting (copying data from a young gen space to " \ |
|
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1424 "multiple destination spaces)") \ |
|
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1425 \ |
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1426 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
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1427 "How often to provoke splitting a young gen space") \ |
| 0 | 1428 \ |
| 1284 | 1429 product(uintx, ConcGCThreads, 0, \ |
| 1430 "Number of threads concurrent gc will use") \ | |
|
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1431 \ |
| 0 | 1432 product(uintx, YoungPLABSize, 4096, \ |
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1433 "Size of young gen promotion LAB's (in HeapWords)") \ |
| 0 | 1434 \ |
| 1435 product(uintx, OldPLABSize, 1024, \ | |
|
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1436 "Size of old gen promotion LAB's (in HeapWords)") \ |
| 0 | 1437 \ |
| 1438 product(uintx, GCTaskTimeStampEntries, 200, \ | |
| 1439 "Number of time stamp entries per gc worker thread") \ | |
| 1440 \ | |
| 1441 product(bool, AlwaysTenure, false, \ | |
|
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1442 "Always tenure objects in eden (ParallelGC only)") \ |
| 0 | 1443 \ |
| 1444 product(bool, NeverTenure, false, \ | |
|
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1445 "Never tenure objects in eden, may tenure on overflow " \ |
| 1064 | 1446 "(ParallelGC only)") \ |
| 0 | 1447 \ |
| 1448 product(bool, ScavengeBeforeFullGC, true, \ | |
| 1064 | 1449 "Scavenge youngest generation before each full GC, " \ |
| 1450 "used with UseParallelGC") \ | |
| 0 | 1451 \ |
| 1452 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
|
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1453 "Allow scavenges to occur when to-space contains objects") \ |
| 0 | 1454 \ |
| 1455 product(bool, UseConcMarkSweepGC, false, \ | |
| 1456 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
| 1457 \ | |
| 1458 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
|
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1459 "A System.gc() request invokes a concurrent collection; " \ |
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1460 "(effective only when UseConcMarkSweepGC)") \ |
| 0 | 1461 \ |
| 1462 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
| 1064 | 1463 "A System.gc() request invokes a concurrent collection and " \ |
| 1464 "also unloads classes during such a concurrent gc cycle " \ | |
| 1465 "(effective only when UseConcMarkSweepGC)") \ | |
| 0 | 1466 \ |
|
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1467 product(bool, GCLockerInvokesConcurrent, false, \ |
|
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1468 "The exit of a JNI critical section necessitating a scavenge, " \ |
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1469 "also kicks off a background concurrent collection") \ |
|
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1470 \ |
|
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1471 product(uintx, GCLockerEdenExpansionPercent, 5, \ |
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1472 "How much the GC can expand the eden by while the GC locker " \ |
|
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1473 "is active (as a percentage)") \ |
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1474 \ |
|
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1475 diagnostic(intx, GCLockerRetryAllocationCount, 2, \ |
|
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1476 "Number of times to retry allocations when " \ |
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1477 "blocked by the GC locker") \ |
|
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1478 \ |
| 0 | 1479 develop(bool, UseCMSAdaptiveFreeLists, true, \ |
|
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1480 "Use adaptive free lists in the CMS generation") \ |
| 0 | 1481 \ |
| 1482 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
| 1483 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
| 1484 \ | |
| 1485 develop(bool, RotateCMSCollectionTypes, false, \ | |
| 1486 "Rotate the CMS collections among concurrent and STW") \ | |
| 1487 \ | |
| 1488 product(bool, UseCMSBestFit, true, \ | |
| 1489 "Use CMS best fit allocation strategy") \ | |
| 1490 \ | |
| 1491 product(bool, UseCMSCollectionPassing, true, \ | |
| 1492 "Use passing of collection from background to foreground") \ | |
| 1493 \ | |
| 1494 product(bool, UseParNewGC, false, \ | |
|
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1495 "Use parallel threads in the new generation") \ |
| 0 | 1496 \ |
| 1497 product(bool, ParallelGCVerbose, false, \ | |
|
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1498 "Verbose output for parallel gc") \ |
| 0 | 1499 \ |
|
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1500 product(uintx, ParallelGCBufferWastePct, 10, \ |
|
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1501 "Wasted fraction of parallel allocation buffer") \ |
| 0 | 1502 \ |
|
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1503 diagnostic(bool, ParallelGCRetainPLAB, false, \ |
|
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1504 "Retain parallel allocation buffers across scavenges; " \ |
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1505 "it is disabled because this currently conflicts with " \ |
|
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1506 "parallel card scanning under certain conditions.") \ |
| 0 | 1507 \ |
|
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1508 product(uintx, TargetPLABWastePct, 10, \ |
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1509 "Target wasted space in last buffer as percent of overall " \ |
|
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1510 "allocation") \ |
| 0 | 1511 \ |
| 1512 product(uintx, PLABWeight, 75, \ | |
|
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1513 "Percentage (0-100) used to weigh the current sample when " \ |
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1514 "computing exponentially decaying average for ResizePLAB") \ |
| 0 | 1515 \ |
| 1516 product(bool, ResizePLAB, true, \ | |
|
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1517 "Dynamically resize (survivor space) promotion LAB's") \ |
| 0 | 1518 \ |
| 1519 product(bool, PrintPLAB, false, \ | |
|
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1520 "Print (survivor space) promotion LAB's sizing decisions") \ |
| 0 | 1521 \ |
| 1522 product(intx, ParGCArrayScanChunk, 50, \ | |
|
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1523 "Scan a subset of object array and push remainder, if array is " \ |
|
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1524 "bigger than this") \ |
| 0 | 1525 \ |
| 695 | 1526 product(bool, ParGCUseLocalOverflow, false, \ |
| 1527 "Instead of a global overflow list, use local overflow stacks") \ | |
| 1528 \ | |
|
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1529 product(bool, ParGCTrimOverflow, true, \ |
|
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1530 "Eagerly trim the local overflow lists " \ |
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1531 "(when ParGCUseLocalOverflow)") \ |
|
679
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1532 \ |
| 534 | 1533 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
|
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1534 "Simulate work queue overflow in ParNew") \ |
| 534 | 1535 \ |
| 1536 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
| 1064 | 1537 "An `interval' counter that determines how frequently " \ |
| 1538 "we simulate overflow; a smaller number increases frequency") \ | |
| 534 | 1539 \ |
| 1540 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
| 0 | 1541 "The desired number of objects to claim from the overflow list") \ |
| 1542 \ | |
|
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1543 diagnostic(uintx, ParGCStridesPerThread, 2, \ |
|
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1544 "The number of strides per worker thread that we divide up the " \ |
|
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1545 "card table scanning work into") \ |
|
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1546 \ |
|
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1547 diagnostic(intx, ParGCCardsPerStrideChunk, 256, \ |
|
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1548 "The number of cards in each chunk of the parallel chunks used " \ |
|
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1549 "during card table scanning") \ |
|
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1550 \ |
|
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1551 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
|
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1552 "Number of blocks to attempt to claim when refilling CMS LAB's " \ |
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1553 "for parallel GC") \ |
| 0 | 1554 \ |
|
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1555 product(uintx, OldPLABWeight, 50, \ |
|
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1556 "Percentage (0-100) used to weight the current sample when " \ |
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1557 "computing exponentially decaying average for resizing " \ |
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1558 "CMSParPromoteBlocksToClaim") \ |
|
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1559 \ |
|
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1560 product(bool, ResizeOldPLAB, true, \ |
|
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1561 "Dynamically resize (old gen) promotion LAB's") \ |
|
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1562 \ |
|
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1563 product(bool, PrintOldPLAB, false, \ |
|
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1564 "Print (old gen) promotion LAB's sizing decisions") \ |
|
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1565 \ |
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1566 product(uintx, CMSOldPLABMin, 16, \ |
|
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1567 "Minimum size of CMS gen promotion LAB caches per worker " \ |
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1568 "per block size") \ |
|
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1569 \ |
|
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1570 product(uintx, CMSOldPLABMax, 1024, \ |
|
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1571 "Maximum size of CMS gen promotion LAB caches per worker " \ |
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1572 "per block size") \ |
|
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1573 \ |
|
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1574 product(uintx, CMSOldPLABNumRefills, 4, \ |
|
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1575 "Nominal number of refills of CMS gen promotion LAB cache " \ |
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1576 "per worker per block size") \ |
|
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1577 \ |
|
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1578 product(bool, CMSOldPLABResizeQuicker, false, \ |
|
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1579 "React on-the-fly during a scavenge to a sudden " \ |
|
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1580 "change in block demand rate") \ |
|
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1581 \ |
|
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1582 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
|
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1583 "The tolerance of the phase-change detector for on-the-fly " \ |
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1584 "PLAB resizing during a scavenge") \ |
|
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1585 \ |
|
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1586 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
|
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1587 "The gain in the feedback loop for on-the-fly PLAB resizing " \ |
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1588 "during a scavenge") \ |
|
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1589 \ |
| 0 | 1590 product(bool, AlwaysPreTouch, false, \ |
|
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1591 "Force all freshly committed pages to be pre-touched") \ |
| 0 | 1592 \ |
|
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1593 product_pd(uintx, CMSYoungGenPerWorker, \ |
|
2368
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1594 "The maximum size of young gen chosen by default per GC worker " \ |
| 1064 | 1595 "thread available") \ |
| 0 | 1596 \ |
| 1597 product(bool, CMSIncrementalMode, false, \ | |
| 1598 "Whether CMS GC should operate in \"incremental\" mode") \ | |
| 1599 \ | |
| 1600 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
|
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1601 "Percentage (0-100) of CMS incremental mode duty cycle. If " \ |
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1602 "CMSIncrementalPacing is enabled, then this is just the initial " \ |
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1603 "value.") \ |
| 0 | 1604 \ |
| 1605 product(bool, CMSIncrementalPacing, true, \ | |
| 1606 "Whether the CMS incremental mode duty cycle should be " \ | |
| 1607 "automatically adjusted") \ | |
| 1608 \ | |
| 1609 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
|
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1610 "Minimum percentage (0-100) of the CMS incremental duty cycle " \ |
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1611 "used when CMSIncrementalPacing is enabled") \ |
| 0 | 1612 \ |
| 1613 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
| 1064 | 1614 "Percentage (0-100) used to add conservatism when computing the " \ |
| 1615 "duty cycle") \ | |
| 0 | 1616 \ |
| 1617 product(uintx, CMSIncrementalOffset, 0, \ | |
|
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1618 "Percentage (0-100) by which the CMS incremental mode duty cycle "\ |
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1619 "is shifted to the right within the period between young GCs") \ |
| 0 | 1620 \ |
|
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1621 product(uintx, CMSExpAvgFactor, 50, \ |
|
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1622 "Percentage (0-100) used to weigh the current sample when " \ |
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1623 "computing exponential averages for CMS statistics") \ |
|
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1624 \ |
|
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1625 product(uintx, CMS_FLSWeight, 75, \ |
|
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1626 "Percentage (0-100) used to weigh the current sample when " \ |
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1627 "computing exponentially decaying averages for CMS FLS " \ |
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1628 "statistics") \ |
|
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1629 \ |
|
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1630 product(uintx, CMS_FLSPadding, 1, \ |
|
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1631 "The multiple of deviation from mean to use for buffering " \ |
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1632 "against volatility in free list demand") \ |
| 0 | 1633 \ |
| 1634 product(uintx, FLSCoalescePolicy, 2, \ | |
|
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1635 "CMS: aggressiveness level for coalescing, increasing " \ |
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1636 "from 0 to 4") \ |
| 0 | 1637 \ |
|
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1638 product(bool, FLSAlwaysCoalesceLarge, false, \ |
|
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1639 "CMS: larger free blocks are always available for coalescing") \ |
|
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1640 \ |
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1641 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
|
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1642 "CMS: the smaller the percentage the greater the coalescing " \ |
|
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1643 "force") \ |
|
1145
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1644 \ |
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1645 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
|
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1646 "CMS: the factor by which to inflate estimated demand of small " \ |
|
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1647 "block sizes to prevent coalescing with an adjoining block") \ |
|
1145
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1648 \ |
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1649 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
|
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1650 "CMS: the factor by which to inflate estimated demand of large " \ |
|
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1651 "block sizes to prevent coalescing with an adjoining block") \ |
|
1145
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1652 \ |
|
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1653 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
|
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1654 "CMS: the factor by which to inflate estimated demand of small " \ |
|
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1655 "block sizes to prevent splitting to supply demand for smaller " \ |
|
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1656 "blocks") \ |
|
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1657 \ |
|
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1658 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
|
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1659 "CMS: the factor by which to inflate estimated demand of large " \ |
|
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1660 "block sizes to prevent splitting to supply demand for smaller " \ |
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1661 "blocks") \ |
|
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1662 \ |
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1663 product(bool, CMSExtrapolateSweep, false, \ |
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1664 "CMS: cushion for block demand during sweep") \ |
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1665 \ |
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1666 product(uintx, CMS_SweepWeight, 75, \ |
| 1064 | 1667 "Percentage (0-100) used to weight the current sample when " \ |
| 1668 "computing exponentially decaying average for inter-sweep " \ | |
| 1669 "duration") \ | |
| 0 | 1670 \ |
|
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1671 product(uintx, CMS_SweepPadding, 1, \ |
| 1064 | 1672 "The multiple of deviation from mean to use for buffering " \ |
|
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1673 "against volatility in inter-sweep duration") \ |
| 0 | 1674 \ |
| 1675 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
| 1676 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
|
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1677 "duration exceeds this threshold in milliseconds") \ |
| 0 | 1678 \ |
| 1679 develop(bool, CMSTraceIncrementalMode, false, \ | |
| 1680 "Trace CMS incremental mode") \ | |
| 1681 \ | |
| 1682 develop(bool, CMSTraceIncrementalPacing, false, \ | |
| 1683 "Trace CMS incremental mode pacing computation") \ | |
| 1684 \ | |
| 1685 develop(bool, CMSTraceThreadState, false, \ | |
| 1686 "Trace the CMS thread state (enable the trace_state() method)") \ | |
| 1687 \ | |
|
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1688 product(bool, CMSClassUnloadingEnabled, true, \ |
| 0 | 1689 "Whether class unloading enabled when using CMS GC") \ |
| 1690 \ | |
|
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|
1691 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
|
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1692 "When CMS class unloading is enabled, the maximum CMS cycle " \ |
|
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1693 "count for which classes may not be unloaded") \ |
|
94
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1694 \ |
| 0 | 1695 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
|
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1696 "Compact when asked to collect CMS gen with " \ |
|
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1697 "clear_all_soft_refs()") \ |
| 0 | 1698 \ |
| 1699 product(bool, UseCMSCompactAtFullCollection, true, \ | |
|
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1700 "Use Mark-Sweep-Compact algorithm at full collections") \ |
| 0 | 1701 \ |
| 1702 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
| 1703 "Number of CMS full collection done before compaction if > 0") \ | |
| 1704 \ | |
| 1705 develop(intx, CMSDictionaryChoice, 0, \ | |
| 1706 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
| 1707 \ | |
| 1708 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
| 6818 | 1709 "Replenish an indexed free list with this number of chunks") \ |
| 0 | 1710 \ |
|
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1711 product(bool, CMSReplenishIntermediate, true, \ |
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1712 "Replenish all intermediate free-list caches") \ |
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1713 \ |
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1714 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
|
1777
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1715 "When satisfying batched demand, split blocks from the " \ |
|
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1716 "IndexedFreeList whose size is a multiple of requested size") \ |
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1717 \ |
| 0 | 1718 product(bool, CMSLoopWarn, false, \ |
| 1719 "Warn in case of excessive CMS looping") \ | |
| 1720 \ | |
| 1721 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
|
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1722 "Restore preserved marks early") \ |
| 0 | 1723 \ |
| 1284 | 1724 product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
| 1725 "Size of marking stack") \ | |
| 1726 \ | |
| 1727 product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ | |
|
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1728 "Maximum size of marking stack") \ |
| 0 | 1729 \ |
| 1730 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
|
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1731 "Simulate frequent marking stack / work queue overflow") \ |
| 0 | 1732 \ |
| 534 | 1733 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
|
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1734 "An \"interval\" counter that determines how frequently " \ |
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1735 "to simulate overflow; a smaller number increases frequency") \ |
| 0 | 1736 \ |
| 1737 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
|
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1738 "(Temporary, subject to experimentation) " \ |
| 0 | 1739 "Maximum number of abortable preclean iterations, if > 0") \ |
| 1740 \ | |
| 1741 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
|
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1742 "(Temporary, subject to experimentation) " \ |
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1743 "Maximum time in abortable preclean (in milliseconds)") \ |
| 0 | 1744 \ |
| 1745 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
|
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1746 "(Temporary, subject to experimentation) " \ |
| 0 | 1747 "Nominal minimum work per abortable preclean iteration") \ |
| 1748 \ | |
|
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1749 manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ |
|
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1750 "(Temporary, subject to experimentation) " \ |
|
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1751 "Time that we sleep between iterations when not given " \ |
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1752 "enough work per iteration") \ |
| 0 | 1753 \ |
| 1754 product(uintx, CMSRescanMultiple, 32, \ | |
| 1755 "Size (in cards) of CMS parallel rescan task") \ | |
| 1756 \ | |
| 1757 product(uintx, CMSConcMarkMultiple, 32, \ | |
| 1758 "Size (in cards) of CMS concurrent MT marking task") \ | |
| 1759 \ | |
| 1760 product(bool, CMSAbortSemantics, false, \ | |
| 1761 "Whether abort-on-overflow semantics is implemented") \ | |
| 1762 \ | |
| 11975 | 1763 product(bool, CMSParallelInitialMarkEnabled, true, \ |
| 1764 "Use the parallel initial mark.") \ | |
| 1765 \ | |
| 0 | 1766 product(bool, CMSParallelRemarkEnabled, true, \ |
| 1767 "Whether parallel remark enabled (only if ParNewGC)") \ | |
| 1768 \ | |
| 1769 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
|
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1770 "Whether parallel remark of survivor space " \ |
|
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1771 "enabled (effective only if CMSParallelRemarkEnabled)") \ |
| 0 | 1772 \ |
| 1773 product(bool, CMSPLABRecordAlways, true, \ | |
|
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1774 "Always record survivor space PLAB boundaries (effective only " \ |
|
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1775 "if CMSParallelSurvivorRemarkEnabled)") \ |
| 0 | 1776 \ |
|
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1777 product(bool, CMSEdenChunksRecordAlways, true, \ |
|
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1778 "Always record eden chunks used for the parallel initial mark " \ |
|
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1779 "or remark of eden") \ |
|
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1780 \ |
|
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1781 product(bool, CMSPrintEdenSurvivorChunks, false, \ |
|
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1782 "Print the eden and the survivor chunks used for the parallel " \ |
|
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1783 "initial mark or remark of the eden/survivor spaces") \ |
|
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1784 \ |
| 0 | 1785 product(bool, CMSConcurrentMTEnabled, true, \ |
|
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1786 "Whether multi-threaded concurrent work enabled " \ |
|
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1787 "(effective only if ParNewGC)") \ |
| 0 | 1788 \ |
| 1789 product(bool, CMSPrecleaningEnabled, true, \ | |
| 1790 "Whether concurrent precleaning enabled") \ | |
| 1791 \ | |
| 1792 product(uintx, CMSPrecleanIter, 3, \ | |
| 1793 "Maximum number of precleaning iteration passes") \ | |
| 1794 \ | |
| 1795 product(uintx, CMSPrecleanNumerator, 2, \ | |
|
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1796 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
|
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1797 "ratio") \ |
| 0 | 1798 \ |
| 1799 product(uintx, CMSPrecleanDenominator, 3, \ | |
|
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1800 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
|
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1801 "ratio") \ |
| 0 | 1802 \ |
|
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1803 product(bool, CMSPrecleanRefLists1, true, \ |
| 0 | 1804 "Preclean ref lists during (initial) preclean phase") \ |
| 1805 \ | |
| 1806 product(bool, CMSPrecleanRefLists2, false, \ | |
| 1807 "Preclean ref lists during abortable preclean phase") \ | |
| 1808 \ | |
| 1809 product(bool, CMSPrecleanSurvivors1, false, \ | |
| 1810 "Preclean survivors during (initial) preclean phase") \ | |
| 1811 \ | |
| 1812 product(bool, CMSPrecleanSurvivors2, true, \ | |
| 1813 "Preclean survivors during abortable preclean phase") \ | |
| 1814 \ | |
| 1815 product(uintx, CMSPrecleanThreshold, 1000, \ | |
|
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1816 "Do not iterate again if number of dirty cards is less than this")\ |
| 0 | 1817 \ |
| 1818 product(bool, CMSCleanOnEnter, true, \ | |
| 1819 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
| 1820 \ | |
| 1821 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
| 1822 "Choose variant (1,2) of verification following remark") \ | |
| 1823 \ | |
| 1824 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
|
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1825 "If Eden size is below this, do not try to schedule remark") \ |
| 0 | 1826 \ |
| 1827 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
|
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1828 "The Eden occupancy percentage (0-100) at which " \ |
|
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1829 "to try and schedule remark pause") \ |
| 0 | 1830 \ |
| 1831 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
|
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1832 "Start sampling eden top at least before young gen " \ |
|
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1833 "occupancy reaches 1/<ratio> of the size at which " \ |
|
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1834 "we plan to schedule remark") \ |
| 0 | 1835 \ |
| 1836 product(uintx, CMSSamplingGrain, 16*K, \ | |
| 1837 "The minimum distance between eden samples for CMS (see above)") \ | |
| 1838 \ | |
| 1839 product(bool, CMSScavengeBeforeRemark, false, \ | |
| 1840 "Attempt scavenge before the CMS remark step") \ | |
| 1841 \ | |
| 1842 develop(bool, CMSTraceSweeper, false, \ | |
| 1843 "Trace some actions of the CMS sweeper") \ | |
| 1844 \ | |
| 1845 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
| 1846 "Don't drain below this size per parallel worker/thief") \ | |
| 1847 \ | |
|
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1848 manageable(intx, CMSWaitDuration, 2000, \ |
| 0 | 1849 "Time in milliseconds that CMS thread waits for young GC") \ |
| 1850 \ | |
|
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1851 develop(uintx, CMSCheckInterval, 1000, \ |
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1852 "Interval in milliseconds that CMS thread checks if it " \ |
|
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1853 "should start a collection cycle") \ |
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1854 \ |
| 0 | 1855 product(bool, CMSYield, true, \ |
|
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1856 "Yield between steps of CMS") \ |
| 0 | 1857 \ |
| 1858 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
|
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1859 "Bitmap operations should process at most this many bits " \ |
| 0 | 1860 "between yields") \ |
| 1861 \ | |
|
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1862 product(bool, CMSDumpAtPromotionFailure, false, \ |
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1863 "Dump useful information about the state of the CMS old " \ |
|
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1864 "generation upon a promotion failure") \ |
|
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1865 \ |
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1866 product(bool, CMSPrintChunksInDump, false, \ |
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1867 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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1868 "more detailed information about the free chunks") \ |
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1869 \ |
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1870 product(bool, CMSPrintObjectsInDump, false, \ |
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1871 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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1872 "more detailed information about the allocated objects") \ |
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1873 \ |
| 0 | 1874 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
|
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1875 "Verify that all references across the FLS boundary " \ |
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1876 "are to valid objects") \ |
| 0 | 1877 \ |
| 1878 diagnostic(bool, FLSVerifyLists, false, \ | |
| 1879 "Do lots of (expensive) FreeListSpace verification") \ | |
| 1880 \ | |
| 1881 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
| 1882 "Do lots of (expensive) FLS index table verification") \ | |
| 1883 \ | |
| 1884 develop(bool, FLSVerifyDictionary, false, \ | |
| 1885 "Do lots of (expensive) FLS dictionary verification") \ | |
| 1886 \ | |
| 1887 develop(bool, VerifyBlockOffsetArray, false, \ | |
|
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1888 "Do (expensive) block offset array verification") \ |
| 0 | 1889 \ |
|
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1890 diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
|
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1891 "Maintain _unallocated_block in BlockOffsetArray " \ |
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1892 "(currently applicable only to CMS collector)") \ |
| 0 | 1893 \ |
| 1894 develop(bool, TraceCMSState, false, \ | |
| 1895 "Trace the state of the CMS collection") \ | |
| 1896 \ | |
| 1897 product(intx, RefDiscoveryPolicy, 0, \ | |
|
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1898 "Select type of reference discovery policy: " \ |
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1899 "reference-based(0) or referent-based(1)") \ |
| 0 | 1900 \ |
| 1901 product(bool, ParallelRefProcEnabled, false, \ | |
| 1902 "Enable parallel reference processing whenever possible") \ | |
| 1903 \ | |
| 1904 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
| 1905 "Enable balancing of reference processing queues") \ | |
| 1906 \ | |
| 8035 | 1907 product(uintx, CMSTriggerRatio, 80, \ |
| 0 | 1908 "Percentage of MinHeapFreeRatio in CMS generation that is " \ |
| 1064 | 1909 "allocated before a CMS collection cycle commences") \ |
| 0 | 1910 \ |
|
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1911 product(uintx, CMSBootstrapOccupancy, 50, \ |
| 0 | 1912 "Percentage CMS generation occupancy at which to " \ |
| 1064 | 1913 "initiate CMS collection for bootstrapping collection stats") \ |
| 0 | 1914 \ |
| 1915 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
| 1916 "Percentage CMS generation occupancy to start a CMS collection " \ | |
| 1064 | 1917 "cycle. A negative value means that CMSTriggerRatio is used") \ |
|
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1918 \ |
|
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1919 product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
|
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1920 "Percentage of the (entire) heap occupancy to start a " \ |
|
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1921 "concurrent GC cycle. It is used by GCs that trigger a " \ |
|
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1922 "concurrent GC cycle based on the occupancy of the entire heap, " \ |
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1923 "not just one of the generations (e.g., G1). A value of 0 " \ |
|
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1924 "denotes 'do constant GC cycles'.") \ |
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1925 \ |
| 0 | 1926 product(bool, UseCMSInitiatingOccupancyOnly, false, \ |
|
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1927 "Only use occupancy as a criterion for starting a CMS collection")\ |
| 0 | 1928 \ |
|
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1929 product(uintx, CMSIsTooFullPercentage, 98, \ |
| 1064 | 1930 "An absolute ceiling above which CMS will always consider the " \ |
|
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1931 "unloading of classes when class unloading is enabled") \ |
|
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1932 \ |
| 0 | 1933 develop(bool, CMSTestInFreeList, false, \ |
| 1934 "Check if the coalesced range is already in the " \ | |
| 1064 | 1935 "free lists as claimed") \ |
| 0 | 1936 \ |
| 1937 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
| 1938 "Check that all the garbage collected was returned to the " \ | |
|
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1939 "free lists") \ |
| 0 | 1940 \ |
| 1941 notproduct(bool, ScavengeALot, false, \ | |
| 1942 "Force scavenge at every Nth exit from the runtime system " \ | |
| 1943 "(N=ScavengeALotInterval)") \ | |
| 1944 \ | |
| 1945 develop(bool, FullGCALot, false, \ | |
| 1946 "Force full gc at every Nth exit from the runtime system " \ | |
| 1947 "(N=FullGCALotInterval)") \ | |
| 1948 \ | |
| 1949 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
| 1950 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
| 1951 \ | |
|
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1952 product(bool, PrintPromotionFailure, false, \ |
|
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1953 "Print additional diagnostic information following " \ |
|
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1954 "promotion failure") \ |
|
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1955 \ |
| 0 | 1956 notproduct(bool, PromotionFailureALot, false, \ |
| 1957 "Use promotion failure handling on every youngest generation " \ | |
| 1958 "collection") \ | |
| 1959 \ | |
| 1960 develop(uintx, PromotionFailureALotCount, 1000, \ | |
|
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1961 "Number of promotion failures occurring at ParGCAllocBuffer " \ |
| 0 | 1962 "refill attempts (ParNew) or promotion attempts " \ |
|
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1963 "(other young collectors)") \ |
| 0 | 1964 \ |
| 1965 develop(uintx, PromotionFailureALotInterval, 5, \ | |
| 1966 "Total collections between promotion failures alot") \ | |
| 1967 \ | |
|
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1968 experimental(uintx, WorkStealingSleepMillis, 1, \ |
| 0 | 1969 "Sleep time when sleep is used for yields") \ |
| 1970 \ | |
| 2430 | 1971 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
| 0 | 1972 "Number of yields before a sleep is done during workstealing") \ |
| 1973 \ | |
|
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1974 experimental(uintx, WorkStealingHardSpins, 4096, \ |
|
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1975 "Number of iterations in a spin loop between checks on " \ |
|
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1976 "time out of hard spin") \ |
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1977 \ |
|
1837
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1978 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
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1979 "Ratio of hard spins to calls to yield") \ |
|
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1980 \ |
|
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1981 develop(uintx, ObjArrayMarkingStride, 512, \ |
|
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1982 "Number of object array elements to push onto the marking stack " \ |
|
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1983 "before pushing a continuation entry") \ |
|
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1984 \ |
|
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1985 develop(bool, MetadataAllocationFailALot, false, \ |
|
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1986 "Fail metadata allocations at intervals controlled by " \ |
|
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1987 "MetadataAllocationFailALotInterval") \ |
|
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1988 \ |
|
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1989 develop(uintx, MetadataAllocationFailALotInterval, 1000, \ |
|
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1990 "Metadata allocation failure a lot interval") \ |
|
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1991 \ |
|
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1992 develop(bool, TraceMetadataChunkAllocation, false, \ |
|
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1993 "Trace chunk metadata allocations") \ |
|
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1994 \ |
|
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1995 product(bool, TraceMetadataHumongousAllocation, false, \ |
|
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1996 "Trace humongous metadata allocations") \ |
|
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1997 \ |
|
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1998 develop(bool, TraceMetavirtualspaceAllocation, false, \ |
|
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1999 "Trace virtual space metadata allocations") \ |
|
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2000 \ |
| 3779 | 2001 notproduct(bool, ExecuteInternalVMTests, false, \ |
|
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2002 "Enable execution of internal VM tests") \ |
| 3779 | 2003 \ |
|
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2004 notproduct(bool, VerboseInternalVMTests, false, \ |
|
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2005 "Turn on logging for internal VM tests.") \ |
|
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2006 \ |
| 0 | 2007 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
| 2008 \ | |
| 2009 product_pd(bool, ResizeTLAB, \ | |
|
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2010 "Dynamically resize TLAB size for threads") \ |
| 0 | 2011 \ |
| 2012 product(bool, ZeroTLAB, false, \ | |
| 2013 "Zero out the newly created TLAB") \ | |
| 2014 \ | |
|
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2015 product(bool, FastTLABRefill, true, \ |
|
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2016 "Use fast TLAB refill code") \ |
|
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2017 \ |
| 0 | 2018 product(bool, PrintTLAB, false, \ |
| 2019 "Print various TLAB related information") \ | |
| 2020 \ | |
| 2021 product(bool, TLABStats, true, \ | |
|
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2022 "Provide more detailed and expensive TLAB statistics " \ |
|
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2023 "(with PrintTLAB)") \ |
| 0 | 2024 \ |
|
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2025 EMBEDDED_ONLY(product(bool, LowMemoryProtection, true, \ |
|
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2026 "Enable LowMemoryProtection")) \ |
|
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2027 \ |
| 0 | 2028 product_pd(bool, NeverActAsServerClassMachine, \ |
| 2029 "Never act like a server-class machine") \ | |
| 2030 \ | |
| 2031 product(bool, AlwaysActAsServerClassMachine, false, \ | |
| 2032 "Always act like a server-class machine") \ | |
| 2033 \ | |
| 1064 | 2034 product_pd(uint64_t, MaxRAM, \ |
| 2035 "Real memory size (in bytes) used to set maximum heap size") \ | |
| 2036 \ | |
| 2037 product(uintx, ErgoHeapSizeLimit, 0, \ | |
| 2038 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
| 2039 "MaxRAM / MaxRAMFraction") \ | |
| 2040 \ | |
| 2041 product(uintx, MaxRAMFraction, 4, \ | |
| 2042 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
| 2043 "size") \ | |
| 0 | 2044 \ |
| 2045 product(uintx, DefaultMaxRAMFraction, 4, \ | |
| 1064 | 2046 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
| 2047 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
| 2048 \ | |
| 2049 product(uintx, MinRAMFraction, 2, \ | |
| 2050 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
| 2051 "size on systems with small physical memory size") \ | |
| 2052 \ | |
| 2053 product(uintx, InitialRAMFraction, 64, \ | |
| 2054 "Fraction (1/n) of real memory used for initial heap size") \ | |
| 0 | 2055 \ |
|
8854
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2056 develop(uintx, MaxVirtMemFraction, 2, \ |
|
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2057 "Maximum fraction (1/n) of virtual memory used for ergonomically "\ |
|
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|
2058 "determining maximum heap size") \ |
|
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|
2059 \ |
| 0 | 2060 product(bool, UseAutoGCSelectPolicy, false, \ |
| 2061 "Use automatic collection selection policy") \ | |
| 2062 \ | |
| 2063 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
|
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2064 "Automatic GC selection pause threshold in milliseconds") \ |
| 0 | 2065 \ |
| 2066 product(bool, UseAdaptiveSizePolicy, true, \ | |
| 2067 "Use adaptive generation sizing policies") \ | |
| 2068 \ | |
| 2069 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
| 2070 "Use adaptive survivor sizing policies") \ | |
| 2071 \ | |
| 2072 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
| 2073 "Use adaptive young-old sizing policies at minor collections") \ | |
| 2074 \ | |
| 2075 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
| 2076 "Use adaptive young-old sizing policies at major collections") \ | |
| 2077 \ | |
| 2078 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
|
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|
2079 "Include statistics from System.gc() for adaptive size policy") \ |
| 0 | 2080 \ |
| 2081 product(bool, UseAdaptiveGCBoundary, false, \ | |
| 2082 "Allow young-old boundary to move") \ | |
| 2083 \ | |
| 2084 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
| 2085 "Trace young-old boundary moves") \ | |
| 2086 \ | |
| 2087 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
| 2088 "Resize the virtual spaces of the young or old generations") \ | |
| 2089 \ | |
| 2090 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
|
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2091 "Policy for changing generation size for throughput goals") \ |
| 0 | 2092 \ |
| 2093 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
| 2094 "Policy for changing generation size for pause goals") \ | |
| 2095 \ | |
| 2096 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
|
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2097 "Adjust tenured generation to achieve a minor pause goal") \ |
| 0 | 2098 \ |
| 2099 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
|
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2100 "Adjust young generation to achieve a major pause goal") \ |
| 0 | 2101 \ |
| 2102 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
| 2103 "Number of steps where heuristics is used before data is used") \ | |
| 2104 \ | |
| 2105 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
| 2106 "Number of collections before the adaptive sizing is started") \ | |
| 2107 \ | |
| 2108 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
|
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|
2109 "Collection interval for printing information; zero means never") \ |
| 0 | 2110 \ |
| 2111 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
| 2112 "Use adaptive minimum footprint as a goal") \ | |
| 2113 \ | |
| 2114 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
| 2115 "Weight given to exponential resizing, between 0 and 100") \ | |
| 2116 \ | |
| 2117 product(uintx, AdaptiveTimeWeight, 25, \ | |
| 2118 "Weight given to time in adaptive policy, between 0 and 100") \ | |
| 2119 \ | |
| 2120 product(uintx, PausePadding, 1, \ | |
| 2121 "How much buffer to keep for pause time") \ | |
| 2122 \ | |
| 2123 product(uintx, PromotedPadding, 3, \ | |
| 2124 "How much buffer to keep for promotion failure") \ | |
| 2125 \ | |
| 2126 product(uintx, SurvivorPadding, 3, \ | |
| 2127 "How much buffer to keep for survivor overflow") \ | |
| 2128 \ | |
| 2129 product(uintx, ThresholdTolerance, 10, \ | |
| 2130 "Allowed collection cost difference between generations") \ | |
| 2131 \ | |
| 2132 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
| 1064 | 2133 "If collection costs are within margin, reduce both by full " \ |
| 2134 "delta") \ | |
| 0 | 2135 \ |
| 2136 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
| 2137 "Adaptive size percentage change in young generation") \ | |
| 2138 \ | |
| 2139 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
| 2140 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
| 2141 \ | |
| 2142 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
| 2143 "Decay factor to YoungedGenerationSizeSupplement") \ | |
| 2144 \ | |
| 2145 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
| 2146 "Adaptive size percentage change in tenured generation") \ | |
| 2147 \ | |
| 2148 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
| 2149 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
| 2150 \ | |
| 2151 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
| 2152 "Decay factor to TenuredGenerationSizeIncrement") \ | |
| 2153 \ | |
| 6818 | 2154 product(uintx, MaxGCPauseMillis, max_uintx, \ |
|
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2155 "Adaptive size policy maximum GC pause time goal in millisecond, "\ |
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|
2156 "or (G1 Only) the maximum GC time per MMU time slice") \ |
| 751 | 2157 \ |
|
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2158 product(uintx, GCPauseIntervalMillis, 0, \ |
| 751 | 2159 "Time slice for MMU specification") \ |
| 0 | 2160 \ |
| 2161 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
|
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2162 "Adaptive size policy maximum GC minor pause time goal " \ |
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2163 "in millisecond") \ |
| 0 | 2164 \ |
| 2165 product(uintx, GCTimeRatio, 99, \ | |
| 2166 "Adaptive size policy application time to GC time ratio") \ | |
| 2167 \ | |
| 2168 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
| 2169 "Adaptive size scale down factor for shrinking") \ | |
| 2170 \ | |
| 2171 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
| 2172 "Adaptive size decays the major cost for long major intervals") \ | |
| 2173 \ | |
| 2174 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
| 2175 "Time scale over which major costs decay") \ | |
| 2176 \ | |
| 2177 product(uintx, MinSurvivorRatio, 3, \ | |
| 2178 "Minimum ratio of young generation/survivor space size") \ | |
| 2179 \ | |
| 2180 product(uintx, InitialSurvivorRatio, 8, \ | |
|
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|
2181 "Initial ratio of young generation/survivor space size") \ |
| 0 | 2182 \ |
| 2183 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
| 2184 "Estimate of footprint other than Java Heap") \ | |
| 2185 \ | |
| 2186 product(bool, UseGCOverheadLimit, true, \ | |
| 2187 "Use policy to limit of proportion of time spent in GC " \ | |
| 2188 "before an OutOfMemory error is thrown") \ | |
| 2189 \ | |
| 2190 product(uintx, GCTimeLimit, 98, \ | |
|
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2191 "Limit of the proportion of time spent in GC before " \ |
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|
2192 "an OutOfMemoryError is thrown (used with GCHeapFreeLimit)") \ |
| 0 | 2193 \ |
| 2194 product(uintx, GCHeapFreeLimit, 2, \ | |
| 2195 "Minimum percentage of free space after a full GC before an " \ | |
| 2196 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
| 2197 \ | |
| 2198 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
| 2199 "Number of consecutive collections before gc time limit fires") \ | |
| 2200 \ | |
| 2201 product(bool, PrintAdaptiveSizePolicy, false, \ | |
| 2202 "Print information about AdaptiveSizePolicy") \ | |
| 2203 \ | |
| 2204 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
| 2205 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
| 2206 \ | |
| 2207 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
| 2208 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
| 2209 \ | |
| 2210 product(intx, PrefetchFieldsAhead, -1, \ | |
| 2211 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
| 2212 \ | |
|
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|
2213 diagnostic(bool, VerifySilently, false, \ |
|
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2214 "Do not print the verification progress") \ |
|
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2215 \ |
|
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|
2216 diagnostic(bool, VerifyDuringStartup, false, \ |
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|
2217 "Verify memory system before executing any Java code " \ |
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|
2218 "during VM initialization") \ |
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|
2219 \ |
| 0 | 2220 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ |
| 2221 "Verify system before exiting") \ | |
| 2222 \ | |
| 2223 diagnostic(bool, VerifyBeforeGC, false, \ | |
| 2224 "Verify memory system before GC") \ | |
| 2225 \ | |
| 2226 diagnostic(bool, VerifyAfterGC, false, \ | |
| 2227 "Verify memory system after GC") \ | |
| 2228 \ | |
| 2229 diagnostic(bool, VerifyDuringGC, false, \ | |
| 2230 "Verify memory system during GC (between phases)") \ | |
| 2231 \ | |
| 390 | 2232 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
| 2233 "Enable parallel memory system verification") \ | |
| 2234 \ | |
| 1166 | 2235 diagnostic(bool, DeferInitialCardMark, false, \ |
| 2236 "When +ReduceInitialCardMarks, explicitly defer any that " \ | |
|
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2237 "may arise from new_pre_store_barrier") \ |
| 1166 | 2238 \ |
| 0 | 2239 diagnostic(bool, VerifyRememberedSets, false, \ |
| 2240 "Verify GC remembered sets") \ | |
| 2241 \ | |
| 2242 diagnostic(bool, VerifyObjectStartArray, true, \ | |
| 2243 "Verify GC object start array if verify before/after") \ | |
| 2244 \ | |
| 2245 product(bool, DisableExplicitGC, false, \ | |
|
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2246 "Ignore calls to System.gc()") \ |
| 0 | 2247 \ |
| 2248 notproduct(bool, CheckMemoryInitialization, false, \ | |
|
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2249 "Check memory initialization") \ |
| 0 | 2250 \ |
| 2251 product(bool, CollectGen0First, false, \ | |
| 2252 "Collect youngest generation before each full GC") \ | |
| 2253 \ | |
| 2254 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
| 2255 "Bind CMS Thread to CPU if possible") \ | |
| 2256 \ | |
| 2257 diagnostic(uintx, CPUForCMSThread, 0, \ | |
| 2258 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
| 2259 \ | |
| 2260 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
| 2261 "Bind GCTaskThreads to CPUs if possible") \ | |
| 2262 \ | |
| 2263 product(bool, UseGCTaskAffinity, false, \ | |
| 2264 "Use worker affinity when asking for GCTasks") \ | |
| 2265 \ | |
| 2266 product(uintx, ProcessDistributionStride, 4, \ | |
| 2267 "Stride through processors when distributing processes") \ | |
| 2268 \ | |
| 2269 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
|
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|
2270 "Number of times the coordinator GC thread will sleep while " \ |
| 0 | 2271 "yielding before giving up and resuming GC") \ |
| 2272 \ | |
| 2273 product(uintx, CMSYieldSleepCount, 0, \ | |
|
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2274 "Number of times a GC thread (minus the coordinator) " \ |
| 0 | 2275 "will sleep while yielding before giving up and resuming GC") \ |
| 2276 \ | |
| 2277 /* gc tracing */ \ | |
| 2278 manageable(bool, PrintGC, false, \ | |
|
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2279 "Print message at garbage collection") \ |
| 0 | 2280 \ |
| 2281 manageable(bool, PrintGCDetails, false, \ | |
|
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2282 "Print more details at garbage collection") \ |
| 0 | 2283 \ |
| 2284 manageable(bool, PrintGCDateStamps, false, \ | |
|
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|
2285 "Print date stamps at garbage collection") \ |
| 0 | 2286 \ |
| 2287 manageable(bool, PrintGCTimeStamps, false, \ | |
|
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|
2288 "Print timestamps at garbage collection") \ |
| 0 | 2289 \ |
| 2290 product(bool, PrintGCTaskTimeStamps, false, \ | |
| 2291 "Print timestamps for individual gc worker thread tasks") \ | |
| 2292 \ | |
| 2293 develop(intx, ConcGCYieldTimeout, 0, \ | |
|
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|
2294 "If non-zero, assert that GC threads yield within this " \ |
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2295 "number of milliseconds") \ |
| 0 | 2296 \ |
| 2297 notproduct(bool, TraceMarkSweep, false, \ | |
| 2298 "Trace mark sweep") \ | |
| 2299 \ | |
| 2300 product(bool, PrintReferenceGC, false, \ | |
| 2301 "Print times spent handling reference objects during GC " \ | |
|
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2302 "(enabled only when PrintGCDetails)") \ |
| 0 | 2303 \ |
| 2304 develop(bool, TraceReferenceGC, false, \ | |
| 2305 "Trace handling of soft/weak/final/phantom references") \ | |
| 2306 \ | |
| 2307 develop(bool, TraceFinalizerRegistration, false, \ | |
|
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2308 "Trace registration of final references") \ |
| 0 | 2309 \ |
| 2310 notproduct(bool, TraceScavenge, false, \ | |
| 2311 "Trace scavenge") \ | |
| 2312 \ | |
| 2313 product_rw(bool, TraceClassLoading, false, \ | |
| 2314 "Trace all classes loaded") \ | |
| 2315 \ | |
| 2316 product(bool, TraceClassLoadingPreorder, false, \ | |
| 2317 "Trace all classes loaded in order referenced (not loaded)") \ | |
| 2318 \ | |
| 2319 product_rw(bool, TraceClassUnloading, false, \ | |
| 2320 "Trace unloading of classes") \ | |
| 2321 \ | |
| 2322 product_rw(bool, TraceLoaderConstraints, false, \ | |
| 2323 "Trace loader constraints") \ | |
| 2324 \ | |
|
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2325 develop(bool, TraceClassLoaderData, false, \ |
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2326 "Trace class loader loader_data lifetime") \ |
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|
2327 \ |
|
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|
2328 product(uintx, InitialBootClassLoaderMetaspaceSize, \ |
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2329 NOT_LP64(2200*K) LP64_ONLY(4*M), \ |
|
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2330 "Initial size of the boot class loader data metaspace") \ |
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|
2331 \ |
| 0 | 2332 product(bool, TraceGen0Time, false, \ |
| 2333 "Trace accumulated time for Gen 0 collection") \ | |
| 2334 \ | |
| 2335 product(bool, TraceGen1Time, false, \ | |
| 2336 "Trace accumulated time for Gen 1 collection") \ | |
| 2337 \ | |
| 2338 product(bool, PrintTenuringDistribution, false, \ | |
| 2339 "Print tenuring age information") \ | |
| 2340 \ | |
| 2341 product_rw(bool, PrintHeapAtGC, false, \ | |
| 2342 "Print heap layout before and after each GC") \ | |
| 2343 \ | |
|
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|
2344 product_rw(bool, PrintHeapAtGCExtended, false, \ |
|
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2345 "Print extended information about the layout of the heap " \ |
|
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|
2346 "when -XX:+PrintHeapAtGC is set") \ |
|
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|
2347 \ |
| 0 | 2348 product(bool, PrintHeapAtSIGBREAK, true, \ |
| 2349 "Print heap layout in response to SIGBREAK") \ | |
| 2350 \ | |
|
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|
2351 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
|
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|
2352 "Print a class histogram before any major stop-world GC") \ |
|
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|
2353 \ |
|
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|
2354 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
|
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|
2355 "Print a class histogram after any major stop-world GC") \ |
|
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|
2356 \ |
| 0 | 2357 manageable(bool, PrintClassHistogram, false, \ |
| 2358 "Print a histogram of class instances") \ | |
| 2359 \ | |
| 2360 develop(bool, TraceWorkGang, false, \ | |
| 2361 "Trace activities of work gangs") \ | |
| 2362 \ | |
| 2363 product(bool, TraceParallelOldGCTasks, false, \ | |
| 2364 "Trace multithreaded GC activity") \ | |
| 2365 \ | |
| 2366 develop(bool, TraceBlockOffsetTable, false, \ | |
| 2367 "Print BlockOffsetTable maps") \ | |
| 2368 \ | |
| 2369 develop(bool, TraceCardTableModRefBS, false, \ | |
| 2370 "Print CardTableModRefBS maps") \ | |
| 2371 \ | |
| 2372 develop(bool, TraceGCTaskManager, false, \ | |
| 2373 "Trace actions of the GC task manager") \ | |
| 2374 \ | |
| 2375 develop(bool, TraceGCTaskQueue, false, \ | |
| 2376 "Trace actions of the GC task queues") \ | |
| 2377 \ | |
| 6818 | 2378 diagnostic(bool, TraceGCTaskThread, false, \ |
| 0 | 2379 "Trace actions of the GC task threads") \ |
| 2380 \ | |
| 2381 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
|
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2382 "Print the time taken by each phase in ParallelOldGC " \ |
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2383 "(PrintGCDetails must also be enabled)") \ |
| 0 | 2384 \ |
| 2385 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
|
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2386 "Trace marking phase in ParallelOldGC") \ |
| 0 | 2387 \ |
| 2388 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
|
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2389 "Trace summary phase in ParallelOldGC") \ |
| 0 | 2390 \ |
| 2391 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
|
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2392 "Trace compaction phase in ParallelOldGC") \ |
| 0 | 2393 \ |
| 2394 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
|
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2395 "Trace dense prefix computation for ParallelOldGC") \ |
| 0 | 2396 \ |
| 2397 develop(bool, IgnoreLibthreadGPFault, false, \ | |
| 2398 "Suppress workaround for libthread GP fault") \ | |
| 2399 \ | |
|
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2400 product(bool, PrintJNIGCStalls, false, \ |
|
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2401 "Print diagnostic message when GC is stalled " \ |
|
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2402 "by JNI critical section") \ |
|
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|
2403 \ |
| 10405 | 2404 experimental(double, ObjectCountCutOffPercent, 0.5, \ |
| 2405 "The percentage of the used heap that the instances of a class " \ | |
|
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2406 "must occupy for the class to generate a trace event") \ |
| 10405 | 2407 \ |
|
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2408 /* GC log rotation setting */ \ |
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2409 \ |
|
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2410 product(bool, UseGCLogFileRotation, false, \ |
|
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2411 "Rotate gclog files (for long running applications). It requires "\ |
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2412 "-Xloggc:<filename>") \ |
|
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2413 \ |
|
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2414 product(uintx, NumberOfGCLogFiles, 0, \ |
|
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2415 "Number of gclog files in rotation " \ |
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2416 "(default: 0, no rotation)") \ |
|
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2417 \ |
| 17827 | 2418 product(uintx, GCLogFileSize, 8*K, \ |
| 2419 "GC log file size, requires UseGCLogFileRotation. " \ | |
| 2420 "Set to 0 to only trigger rotation via jcmd") \ | |
|
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|
2421 \ |
| 0 | 2422 /* JVMTI heap profiling */ \ |
| 2423 \ | |
| 2424 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
| 2425 "Trace JVMTI object tagging calls") \ | |
| 2426 \ | |
| 2427 diagnostic(bool, VerifyBeforeIteration, false, \ | |
| 2428 "Verify memory system before JVMTI iteration") \ | |
| 2429 \ | |
| 2430 /* compiler interface */ \ | |
| 2431 \ | |
| 2432 develop(bool, CIPrintCompilerName, false, \ | |
| 2433 "when CIPrint is active, print the name of the active compiler") \ | |
| 2434 \ | |
| 2435 develop(bool, CIPrintCompileQueue, false, \ | |
| 2436 "display the contents of the compile queue whenever a " \ | |
| 2437 "compilation is enqueued") \ | |
| 2438 \ | |
| 2439 develop(bool, CIPrintRequests, false, \ | |
| 2440 "display every request for compilation") \ | |
| 2441 \ | |
| 2442 product(bool, CITime, false, \ | |
| 2443 "collect timing information for compilation") \ | |
| 2444 \ | |
| 2445 develop(bool, CITimeEach, false, \ | |
| 2446 "display timing information after each successful compilation") \ | |
| 2447 \ | |
| 6843 | 2448 develop(bool, CICountOSR, false, \ |
| 0 | 2449 "use a separate counter when assigning ids to osr compilations") \ |
| 2450 \ | |
| 2451 develop(bool, CICompileNatives, true, \ | |
| 2452 "compile native methods if supported by the compiler") \ | |
| 2453 \ | |
| 2454 develop_pd(bool, CICompileOSR, \ | |
| 2455 "compile on stack replacement methods if supported by the " \ | |
| 2456 "compiler") \ | |
| 2457 \ | |
| 2458 develop(bool, CIPrintMethodCodes, false, \ | |
| 2459 "print method bytecodes of the compiled code") \ | |
| 2460 \ | |
| 2461 develop(bool, CIPrintTypeFlow, false, \ | |
| 2462 "print the results of ciTypeFlow analysis") \ | |
| 2463 \ | |
| 2464 develop(bool, CITraceTypeFlow, false, \ | |
| 2465 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
| 2466 \ | |
| 2403 | 2467 develop(intx, OSROnlyBCI, -1, \ |
| 2468 "OSR only at this bci. Negative values mean exclude that bci") \ | |
| 2469 \ | |
| 0 | 2470 /* compiler */ \ |
| 2471 \ | |
| 2472 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
| 2473 "Number of compiler threads to run") \ | |
| 2474 \ | |
| 2475 product(intx, CompilationPolicyChoice, 0, \ | |
| 2476 "which compilation policy (0/1)") \ | |
| 2477 \ | |
| 2478 develop(bool, UseStackBanging, true, \ | |
| 2479 "use stack banging for stack overflow checks (required for " \ | |
| 2480 "proper StackOverflow handling; disable only to measure cost " \ | |
| 2481 "of stackbanging)") \ | |
| 2482 \ | |
| 2483 develop(bool, UseStrictFP, true, \ | |
| 2484 "use strict fp if modifier strictfp is set") \ | |
| 2485 \ | |
| 2486 develop(bool, GenerateSynchronizationCode, true, \ | |
| 2487 "generate locking/unlocking code for synchronized methods and " \ | |
| 2488 "monitors") \ | |
| 2489 \ | |
| 2490 develop(bool, GenerateCompilerNullChecks, true, \ | |
| 2491 "Generate explicit null checks for loads/stores/calls") \ | |
| 2492 \ | |
| 2493 develop(bool, GenerateRangeChecks, true, \ | |
| 2494 "Generate range checks for array accesses") \ | |
| 2495 \ | |
| 2496 develop_pd(bool, ImplicitNullChecks, \ | |
|
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2497 "Generate code for implicit null checks") \ |
| 0 | 2498 \ |
|
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|
2499 product_pd(bool, TrapBasedNullChecks, \ |
|
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|
2500 "Generate code for null checks that uses a cmp and trap " \ |
|
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|
2501 "instruction raising SIGTRAP. This is only used if an access to" \ |
|
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|
2502 "null (+offset) will not raise a SIGSEGV, i.e.," \ |
|
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|
2503 "ImplicitNullChecks don't work (PPC64).") \ |
|
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|
2504 \ |
| 0 | 2505 product(bool, PrintSafepointStatistics, false, \ |
|
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2506 "Print statistics about safepoint synchronization") \ |
| 0 | 2507 \ |
| 2508 product(intx, PrintSafepointStatisticsCount, 300, \ | |
|
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2509 "Total number of safepoint statistics collected " \ |
| 0 | 2510 "before printing them out") \ |
| 2511 \ | |
| 2512 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
|
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2513 "Print safepoint statistics only when safepoint takes " \ |
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2514 "more than PrintSafepointSatisticsTimeout in millis") \ |
| 0 | 2515 \ |
|
1321
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|
2516 product(bool, TraceSafepointCleanupTime, false, \ |
|
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2517 "Print the break down of clean up tasks performed during " \ |
|
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|
2518 "safepoint") \ |
|
1321
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2519 \ |
| 0 | 2520 product(bool, Inline, true, \ |
|
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2521 "Enable inlining") \ |
| 0 | 2522 \ |
| 2523 product(bool, ClipInlining, true, \ | |
|
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2524 "Clip inlining if aggregate method exceeds DesiredMethodLimit") \ |
| 0 | 2525 \ |
| 2526 develop(bool, UseCHA, true, \ | |
|
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|
2527 "Enable CHA") \ |
| 0 | 2528 \ |
| 2529 product(bool, UseTypeProfile, true, \ | |
| 2530 "Check interpreter profile for historically monomorphic calls") \ | |
| 2531 \ | |
| 2532 notproduct(bool, TimeCompiler, false, \ | |
|
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|
2533 "Time the compiler") \ |
| 0 | 2534 \ |
| 2535 diagnostic(bool, PrintInlining, false, \ | |
|
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2536 "Print inlining optimizations") \ |
| 0 | 2537 \ |
|
643
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|
2538 product(bool, UsePopCountInstruction, false, \ |
|
c771b7f43bbf
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|
2539 "Use population count instruction") \ |
|
c771b7f43bbf
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|
2540 \ |
| 0 | 2541 develop(bool, EagerInitialization, false, \ |
| 2542 "Eagerly initialize classes if possible") \ | |
| 2543 \ | |
| 2544 develop(bool, TraceMethodReplacement, false, \ | |
| 2545 "Print when methods are replaced do to recompilation") \ | |
| 2546 \ | |
| 2547 develop(bool, PrintMethodFlushing, false, \ | |
|
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|
2548 "Print the nmethods being flushed") \ |
| 0 | 2549 \ |
|
17612
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|
2550 diagnostic(bool, PrintMethodFlushingStatistics, false, \ |
|
6aa49042b101
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|
2551 "print statistics about method flushing") \ |
|
6aa49042b101
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|
2552 \ |
| 0 | 2553 develop(bool, UseRelocIndex, false, \ |
|
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|
2554 "Use an index to speed random access to relocations") \ |
| 0 | 2555 \ |
| 2556 develop(bool, StressCodeBuffers, false, \ | |
|
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|
2557 "Exercise code buffer expansion and other rare state changes") \ |
| 0 | 2558 \ |
| 2559 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
|
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|
2560 "Generate extra debugging information for non-safepoints in " \ |
|
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|
2561 "nmethods") \ |
| 0 | 2562 \ |
| 4066 | 2563 product(bool, PrintVMOptions, false, \ |
|
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|
2564 "Print flags that appeared on the command line") \ |
| 0 | 2565 \ |
| 564 | 2566 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
|
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|
2567 "Ignore unrecognized VM options") \ |
| 564 | 2568 \ |
| 1150 | 2569 product(bool, PrintCommandLineFlags, false, \ |
|
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|
2570 "Print flags specified on command line or set by ergonomics") \ |
| 1150 | 2571 \ |
| 2572 product(bool, PrintFlagsInitial, false, \ | |
|
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|
2573 "Print all VM flags before argument processing and exit VM") \ |
| 1150 | 2574 \ |
| 2575 product(bool, PrintFlagsFinal, false, \ | |
|
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|
2576 "Print all VM flags after argument and ergonomic processing") \ |
| 1150 | 2577 \ |
|
1768
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|
2578 notproduct(bool, PrintFlagsWithComments, false, \ |
|
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|
2579 "Print all VM flags with default values and descriptions and " \ |
|
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|
2580 "exit") \ |
|
1768
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|
2581 \ |
| 0 | 2582 diagnostic(bool, SerializeVMOutput, true, \ |
|
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|
2583 "Use a mutex to serialize output to tty and LogFile") \ |
| 0 | 2584 \ |
| 2585 diagnostic(bool, DisplayVMOutput, true, \ | |
|
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|
2586 "Display all VM output on the tty, independently of LogVMOutput") \ |
| 0 | 2587 \ |
|
12257
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|
2588 diagnostic(bool, LogVMOutput, false, \ |
|
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|
2589 "Save VM output to LogFile") \ |
| 0 | 2590 \ |
| 2591 diagnostic(ccstr, LogFile, NULL, \ | |
|
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|
2592 "If LogVMOutput or LogCompilation is on, save VM output to " \ |
|
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|
2593 "this file [default: ./hotspot_pid%p.log] (%p replaced with pid)")\ |
| 0 | 2594 \ |
| 2595 product(ccstr, ErrorFile, NULL, \ | |
|
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|
2596 "If an error occurs, save the error data to this file " \ |
|
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|
2597 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ |
| 0 | 2598 \ |
| 2599 product(bool, DisplayVMOutputToStderr, false, \ | |
|
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|
2600 "If DisplayVMOutput is true, display all VM output to stderr") \ |
| 0 | 2601 \ |
| 2602 product(bool, DisplayVMOutputToStdout, false, \ | |
|
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|
2603 "If DisplayVMOutput is true, display all VM output to stdout") \ |
| 0 | 2604 \ |
| 2605 product(bool, UseHeavyMonitors, false, \ | |
| 2606 "use heavyweight instead of lightweight Java monitors") \ | |
| 2607 \ | |
| 6162 | 2608 product(bool, PrintStringTableStatistics, false, \ |
| 2609 "print statistics about the StringTable and SymbolTable") \ | |
| 2610 \ | |
|
12275
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|
2611 diagnostic(bool, VerifyStringTableAtExit, false, \ |
|
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|
2612 "verify StringTable contents at exit") \ |
|
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|
2613 \ |
| 0 | 2614 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ |
| 2615 "print histogram of the symbol table") \ | |
| 2616 \ | |
| 2617 notproduct(bool, ExitVMOnVerifyError, false, \ | |
| 2618 "standard exit from VM if bytecode verify error " \ | |
| 2619 "(only in debug mode)") \ | |
| 2620 \ | |
| 2621 notproduct(ccstr, AbortVMOnException, NULL, \ | |
| 2622 "Call fatal if this exception is thrown. Example: " \ | |
| 2623 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
| 2624 \ | |
|
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|
2625 notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ |
|
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|
2626 "Call fatal if the exception pointed by AbortVMOnException " \ |
|
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|
2627 "has this message") \ |
|
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|
2628 \ |
| 0 | 2629 develop(bool, DebugVtables, false, \ |
| 2630 "add debugging code to vtable dispatch") \ | |
| 2631 \ | |
| 2632 develop(bool, PrintVtables, false, \ | |
| 2633 "print vtables when printing klass") \ | |
| 2634 \ | |
| 2635 notproduct(bool, PrintVtableStats, false, \ | |
| 2636 "print vtables stats at end of run") \ | |
| 2637 \ | |
| 2638 develop(bool, TraceCreateZombies, false, \ | |
| 2639 "trace creation of zombie nmethods") \ | |
| 2640 \ | |
| 2641 notproduct(bool, IgnoreLockingAssertions, false, \ | |
| 2642 "disable locking assertions (for speed)") \ | |
| 2643 \ | |
| 2644 product(bool, RangeCheckElimination, true, \ | |
| 8860 | 2645 "Eliminate range checks") \ |
| 0 | 2646 \ |
| 2647 develop_pd(bool, UncommonNullCast, \ | |
| 2648 "track occurrences of null in casts; adjust compiler tactics") \ | |
| 2649 \ | |
| 2650 develop(bool, TypeProfileCasts, true, \ | |
| 2651 "treat casts like calls for purposes of type profiling") \ | |
| 2652 \ | |
| 2653 develop(bool, DelayCompilationDuringStartup, true, \ | |
| 2654 "Delay invoking the compiler until main application class is " \ | |
| 2655 "loaded") \ | |
| 2656 \ | |
| 2657 develop(bool, CompileTheWorld, false, \ | |
| 2658 "Compile all methods in all classes in bootstrap class path " \ | |
| 2659 "(stress test)") \ | |
| 2660 \ | |
| 2661 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
| 2662 "Preload all classes used by a class before start loading") \ | |
| 2663 \ | |
|
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|
2664 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ |
|
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|
2665 "Force a safepoint every n compiles so sweeper can keep up") \ |
|
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|
2666 \ |
| 0 | 2667 develop(bool, FillDelaySlots, true, \ |
| 2668 "Fill delay slots (on SPARC only)") \ | |
| 2669 \ | |
| 2670 develop(bool, TimeLivenessAnalysis, false, \ | |
| 2671 "Time computation of bytecode liveness analysis") \ | |
| 2672 \ | |
| 2673 develop(bool, TraceLivenessGen, false, \ | |
| 2674 "Trace the generation of liveness analysis information") \ | |
| 2675 \ | |
| 2676 notproduct(bool, TraceLivenessQuery, false, \ | |
| 2677 "Trace queries of liveness analysis information") \ | |
| 2678 \ | |
| 2679 notproduct(bool, CollectIndexSetStatistics, false, \ | |
| 2680 "Collect information about IndexSets") \ | |
| 2681 \ | |
| 2682 develop(bool, UseLoopSafepoints, true, \ | |
| 2683 "Generate Safepoint nodes in every loop") \ | |
| 2684 \ | |
| 2685 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
| 2686 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
| 2687 "Inline allocations larger than this in doublewords must go slow")\ | |
| 2688 \ | |
| 2689 product(bool, AggressiveOpts, false, \ | |
| 2690 "Enable aggressive optimizations - see arguments.cpp") \ | |
| 2691 \ | |
|
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|
2692 product_pd(uintx, TypeProfileLevel, \ |
|
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|
2693 "=XYZ, with Z: Type profiling of arguments at call; " \ |
|
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|
2694 "Y: Type profiling of return value at call; " \ |
|
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|
2695 "X: Type profiling of parameters to methods; " \ |
|
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|
2696 "X, Y and Z in 0=off ; 1=jsr292 only; 2=all methods") \ |
|
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|
2697 \ |
|
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|
2698 product(intx, TypeProfileArgsLimit, 2, \ |
|
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|
2699 "max number of call arguments to consider for type profiling") \ |
|
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|
2700 \ |
|
12962
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|
2701 product(intx, TypeProfileParmsLimit, 2, \ |
|
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|
2702 "max number of incoming parameters to consider for type profiling"\ |
|
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|
2703 ", -1 for all") \ |
|
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|
2704 \ |
| 0 | 2705 /* statistics */ \ |
| 2706 develop(bool, CountCompiledCalls, false, \ | |
|
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|
2707 "Count method invocations") \ |
| 0 | 2708 \ |
| 2709 notproduct(bool, CountRuntimeCalls, false, \ | |
|
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|
2710 "Count VM runtime calls") \ |
| 0 | 2711 \ |
| 2712 develop(bool, CountJNICalls, false, \ | |
|
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|
2713 "Count jni method invocations") \ |
| 0 | 2714 \ |
| 2715 notproduct(bool, CountJVMCalls, false, \ | |
|
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|
2716 "Count jvm method invocations") \ |
| 0 | 2717 \ |
| 2718 notproduct(bool, CountRemovableExceptions, false, \ | |
|
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|
2719 "Count exceptions that could be replaced by branches due to " \ |
| 0 | 2720 "inlining") \ |
| 2721 \ | |
| 2722 notproduct(bool, ICMissHistogram, false, \ | |
|
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|
2723 "Produce histogram of IC misses") \ |
| 0 | 2724 \ |
| 2725 notproduct(bool, PrintClassStatistics, false, \ | |
|
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|
2726 "Print class statistics at end of run") \ |
| 0 | 2727 \ |
| 2728 notproduct(bool, PrintMethodStatistics, false, \ | |
|
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|
2729 "Print method statistics at end of run") \ |
| 0 | 2730 \ |
| 2731 /* interpreter */ \ | |
| 2732 develop(bool, ClearInterpreterLocals, false, \ | |
| 2733 "Always clear local variables of interpreter activations upon " \ | |
| 2734 "entry") \ | |
| 2735 \ | |
| 2736 product_pd(bool, RewriteBytecodes, \ | |
| 2737 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
| 2738 \ | |
| 2739 product_pd(bool, RewriteFrequentPairs, \ | |
| 2740 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
| 2741 \ | |
|
100
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|
2742 diagnostic(bool, PrintInterpreter, false, \ |
|
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|
2743 "Print the generated interpreter code") \ |
| 0 | 2744 \ |
| 2745 product(bool, UseInterpreter, true, \ | |
| 2746 "Use interpreter for non-compiled methods") \ | |
| 2747 \ | |
| 2748 develop(bool, UseFastSignatureHandlers, true, \ | |
| 2749 "Use fast signature handlers for native calls") \ | |
| 2750 \ | |
| 2751 product(bool, UseLoopCounter, true, \ | |
| 2752 "Increment invocation counter on backward branch") \ | |
| 2753 \ | |
| 2754 product(bool, UseFastEmptyMethods, true, \ | |
| 2755 "Use fast method entry code for empty methods") \ | |
| 2756 \ | |
| 2757 product(bool, UseFastAccessorMethods, true, \ | |
| 2758 "Use fast method entry code for accessor methods") \ | |
| 2759 \ | |
| 2760 product_pd(bool, UseOnStackReplacement, \ | |
|
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|
2761 "Use on stack replacement, calls runtime if invoc. counter " \ |
|
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|
2762 "overflows in loop") \ |
| 0 | 2763 \ |
| 2764 notproduct(bool, TraceOnStackReplacement, false, \ | |
| 2765 "Trace on stack replacement") \ | |
| 2766 \ | |
| 2767 product_pd(bool, PreferInterpreterNativeStubs, \ | |
| 2768 "Use always interpreter stubs for native methods invoked via " \ | |
| 2769 "interpreter") \ | |
| 2770 \ | |
| 2771 develop(bool, CountBytecodes, false, \ | |
| 2772 "Count number of bytecodes executed") \ | |
| 2773 \ | |
| 2774 develop(bool, PrintBytecodeHistogram, false, \ | |
| 2775 "Print histogram of the executed bytecodes") \ | |
| 2776 \ | |
| 2777 develop(bool, PrintBytecodePairHistogram, false, \ | |
| 2778 "Print histogram of the executed bytecode pairs") \ | |
| 2779 \ | |
|
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|
2780 diagnostic(bool, PrintSignatureHandlers, false, \ |
| 0 | 2781 "Print code generated for native method signature handlers") \ |
| 2782 \ | |
| 2783 develop(bool, VerifyOops, false, \ | |
| 2784 "Do plausibility checks for oops") \ | |
| 2785 \ | |
| 2786 develop(bool, CheckUnhandledOops, false, \ | |
| 2787 "Check for unhandled oops in VM code") \ | |
| 2788 \ | |
| 2789 develop(bool, VerifyJNIFields, trueInDebug, \ | |
| 2790 "Verify jfieldIDs for instance fields") \ | |
| 2791 \ | |
| 2792 notproduct(bool, VerifyJNIEnvThread, false, \ | |
| 2793 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
| 2794 "from JNI") \ | |
| 2795 \ | |
| 2796 develop(bool, VerifyFPU, false, \ | |
| 2797 "Verify FPU state (check for NaN's, etc.)") \ | |
| 2798 \ | |
| 2799 develop(bool, VerifyThread, false, \ | |
| 2800 "Watch the thread register for corruption (SPARC only)") \ | |
| 2801 \ | |
| 2802 develop(bool, VerifyActivationFrameSize, false, \ | |
| 2803 "Verify that activation frame didn't become smaller than its " \ | |
| 2804 "minimal size") \ | |
| 2805 \ | |
| 2806 develop(bool, TraceFrequencyInlining, false, \ | |
| 2807 "Trace frequency based inlining") \ | |
| 2808 \ | |
| 2809 develop_pd(bool, InlineIntrinsics, \ | |
|
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|
2810 "Inline intrinsics that can be statically resolved") \ |
| 0 | 2811 \ |
| 2812 product_pd(bool, ProfileInterpreter, \ | |
|
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|
2813 "Profile at the bytecode level during interpretation") \ |
| 0 | 2814 \ |
|
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|
2815 develop(bool, TraceProfileInterpreter, false, \ |
|
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|
2816 "Trace profiling at the bytecode level during interpretation. " \ |
|
abe03600372a
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|
2817 "This outputs the profiling information collected to improve " \ |
|
abe03600372a
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|
2818 "jit compilation.") \ |
|
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|
2819 \ |
| 0 | 2820 develop_pd(bool, ProfileTraps, \ |
| 2821 "Profile deoptimization traps at the bytecode level") \ | |
| 2822 \ | |
| 2823 product(intx, ProfileMaturityPercentage, 20, \ | |
| 2824 "number of method invocations/branches (expressed as % of " \ | |
| 2825 "CompileThreshold) before using the method's profile") \ | |
| 2826 \ | |
| 2827 develop(bool, PrintMethodData, false, \ | |
|
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|
2828 "Print the results of +ProfileInterpreter at end of run") \ |
| 0 | 2829 \ |
| 2830 develop(bool, VerifyDataPointer, trueInDebug, \ | |
| 2831 "Verify the method data pointer during interpreter profiling") \ | |
| 2832 \ | |
| 2833 develop(bool, VerifyCompiledCode, false, \ | |
| 2834 "Include miscellaneous runtime verifications in nmethod code; " \ | |
| 1064 | 2835 "default off because it disturbs nmethod size heuristics") \ |
| 0 | 2836 \ |
|
1119
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|
2837 notproduct(bool, CrashGCForDumpingJavaThread, false, \ |
|
547f81740344
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|
2838 "Manually make GC thread crash then dump java stack trace; " \ |
|
547f81740344
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|
2839 "Test only") \ |
| 0 | 2840 \ |
| 2841 /* compilation */ \ | |
| 2842 product(bool, UseCompiler, true, \ | |
|
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|
2843 "Use Just-In-Time compilation") \ |
| 0 | 2844 \ |
| 2845 develop(bool, TraceCompilationPolicy, false, \ | |
| 2846 "Trace compilation policy") \ | |
| 2847 \ | |
| 2848 develop(bool, TimeCompilationPolicy, false, \ | |
| 2849 "Time the compilation policy") \ | |
| 2850 \ | |
| 2851 product(bool, UseCounterDecay, true, \ | |
|
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|
2852 "Adjust recompilation counters") \ |
| 0 | 2853 \ |
| 2854 develop(intx, CounterHalfLifeTime, 30, \ | |
|
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|
2855 "Half-life time of invocation counters (in seconds)") \ |
| 0 | 2856 \ |
| 2857 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
|
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|
2858 "The minimum interval (in milliseconds) between invocation of " \ |
|
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|
2859 "CounterDecay") \ |
| 0 | 2860 \ |
| 2861 product(bool, AlwaysCompileLoopMethods, false, \ | |
|
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|
2862 "When using recompilation, never interpret methods " \ |
| 0 | 2863 "containing loops") \ |
| 2864 \ | |
| 2865 product(bool, DontCompileHugeMethods, true, \ | |
|
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|
2866 "Do not compile methods > HugeMethodLimit") \ |
| 0 | 2867 \ |
| 2868 /* Bytecode escape analysis estimation. */ \ | |
| 2869 product(bool, EstimateArgEscape, true, \ | |
| 2870 "Analyze bytecodes to estimate escape state of arguments") \ | |
| 2871 \ | |
| 2872 product(intx, BCEATraceLevel, 0, \ | |
| 2873 "How much tracing to do of bytecode escape analysis estimates") \ | |
| 2874 \ | |
| 2875 product(intx, MaxBCEAEstimateLevel, 5, \ | |
|
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|
2876 "Maximum number of nested calls that are analyzed by BC EA") \ |
| 0 | 2877 \ |
| 2878 product(intx, MaxBCEAEstimateSize, 150, \ | |
|
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|
2879 "Maximum bytecode size of a method to be analyzed by BC EA") \ |
| 0 | 2880 \ |
| 2881 product(intx, AllocatePrefetchStyle, 1, \ | |
| 2882 "0 = no prefetch, " \ | |
| 2883 "1 = prefetch instructions for each allocation, " \ | |
|
1367
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|
2884 "2 = use TLAB watermark to gate allocation prefetch, " \ |
|
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|
2885 "3 = use BIS instruction on Sparc for allocation prefetch") \ |
| 0 | 2886 \ |
| 2887 product(intx, AllocatePrefetchDistance, -1, \ | |
| 2888 "Distance to prefetch ahead of allocation pointer") \ | |
| 2889 \ | |
| 3854 | 2890 product(intx, AllocatePrefetchLines, 3, \ |
| 2891 "Number of lines to prefetch ahead of array allocation pointer") \ | |
| 2892 \ | |
| 2893 product(intx, AllocateInstancePrefetchLines, 1, \ | |
|
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|
2894 "Number of lines to prefetch ahead of instance allocation " \ |
|
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|
2895 "pointer") \ |
| 0 | 2896 \ |
| 2897 product(intx, AllocatePrefetchStepSize, 16, \ | |
| 2898 "Step size in bytes of sequential prefetch instructions") \ | |
| 2899 \ | |
| 2900 product(intx, AllocatePrefetchInstr, 0, \ | |
| 2901 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
| 2902 \ | |
| 2903 /* deoptimization */ \ | |
| 2904 develop(bool, TraceDeoptimization, false, \ | |
| 2905 "Trace deoptimization") \ | |
| 2906 \ | |
| 2907 develop(bool, DebugDeoptimization, false, \ | |
| 2908 "Tracing various information while debugging deoptimization") \ | |
| 2909 \ | |
| 2910 product(intx, SelfDestructTimer, 0, \ | |
| 2911 "Will cause VM to terminate after a given time (in minutes) " \ | |
| 2912 "(0 means off)") \ | |
| 2913 \ | |
| 2914 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
|
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changeset
|
2915 "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
|
2916 "exceptions (0 means all)") \ |
| 0 | 2917 \ |
|
3328
277d0f6ca64d
7005503: Make GuaranteedSafepointInterval a diagnostic flag
kevinw
parents:
3255
diff
changeset
|
2918 NOT_EMBEDDED(diagnostic(intx, GuaranteedSafepointInterval, 1000, \ |
| 0 | 2919 "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
|
2920 "(0 means none)")) \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2921 \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2922 EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0, \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2923 "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
|
2924 "(0 means none)")) \ |
| 0 | 2925 \ |
| 2926 product(intx, SafepointTimeoutDelay, 10000, \ | |
| 2927 "Delay in milliseconds for option SafepointTimeout") \ | |
| 2928 \ | |
| 6818 | 2929 product(intx, NmethodSweepFraction, 16, \ |
| 0 | 2930 "Number of invocations of sweeper to cover all nmethods") \ |
| 2931 \ | |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2932 product(intx, NmethodSweepCheckInterval, 5, \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2933 "Compilers wake up every n seconds to possibly sweep nmethods") \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2934 \ |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2935 product(intx, NmethodSweepActivity, 10, \ |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2936 "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
|
2937 "result in more aggressive sweeping") \ |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2938 \ |
|
3384
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2939 notproduct(bool, LogSweeper, false, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2940 "Keep a ring buffer of sweeper activity") \ |
|
3384
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2941 \ |
|
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents:
3373
diff
changeset
|
2942 notproduct(intx, SweeperLogEntries, 1024, \ |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2943 "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
|
2944 \ |
| 0 | 2945 notproduct(intx, MemProfilingInterval, 500, \ |
| 2946 "Time between each invocation of the MemProfiler") \ | |
| 2947 \ | |
| 2948 develop(intx, MallocCatchPtr, -1, \ | |
| 2949 "Hit breakpoint when mallocing/freeing this pointer") \ | |
| 2950 \ | |
| 2951 notproduct(intx, AssertRepeat, 1, \ | |
| 2952 "number of times to evaluate expression in assert " \ | |
| 2953 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
| 2954 \ | |
| 2955 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
| 2956 "List of assertions (file:line) to muzzle") \ | |
| 2957 \ | |
| 2958 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
| 2959 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
| 2960 "is used") \ | |
| 2961 \ | |
| 2962 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
| 2963 "Threshold for total handle allocation when " \ | |
| 2964 "+TraceHandleAllocation is used") \ | |
| 2965 \ | |
| 2966 develop(intx, StackPrintLimit, 100, \ | |
| 2967 "number of stack frames to print in VM-level stack dump") \ | |
| 2968 \ | |
| 2969 notproduct(intx, MaxElementPrintSize, 256, \ | |
| 2970 "maximum number of elements to print") \ | |
| 2971 \ | |
| 2972 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
| 2973 "maximum number of subklasses to print when printing klass") \ | |
| 2974 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2975 product(intx, MaxInlineLevel, 9, \ |
| 0 | 2976 "maximum number of nested calls that are inlined") \ |
| 2977 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2978 product(intx, MaxRecursiveInlineLevel, 1, \ |
| 0 | 2979 "maximum number of nested recursive calls that are inlined") \ |
| 2980 \ | |
|
13081
e74074c34312
8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents:
13074
diff
changeset
|
2981 develop(intx, MaxForceInlineLevel, 100, \ |
|
17819
f47fa50d9b9c
8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents:
17810
diff
changeset
|
2982 "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
|
2983 "(using CompilerOracle or marked w/ @ForceInline)") \ |
|
13081
e74074c34312
8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents:
13074
diff
changeset
|
2984 \ |
| 675 | 2985 product_pd(intx, InlineSmallCode, \ |
| 0 | 2986 "Only inline already compiled methods if their code size is " \ |
| 2987 "less than this") \ | |
| 2988 \ | |
| 2989 product(intx, MaxInlineSize, 35, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2990 "The maximum bytecode size of a method to be inlined") \ |
| 0 | 2991 \ |
| 2992 product_pd(intx, FreqInlineSize, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2993 "The maximum bytecode size of a frequent method to be inlined") \ |
| 0 | 2994 \ |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2995 product(intx, MaxTrivialSize, 6, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2996 "The maximum bytecode size of a trivial method to be inlined") \ |
| 0 | 2997 \ |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2998 product(intx, MinInliningThreshold, 250, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
2999 "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
|
3000 "inlined") \ |
| 0 | 3001 \ |
| 3002 develop(intx, MethodHistogramCutoff, 100, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3003 "The cutoff value for method invocation histogram (+CountCalls)") \ |
| 0 | 3004 \ |
| 3005 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3006 "Number of interpreted methods to show in profile") \ |
| 0 | 3007 \ |
| 3008 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3009 "Number of compiled methods to show in profile") \ |
| 0 | 3010 \ |
| 3011 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3012 "Number of stub methods to show in profile") \ |
| 0 | 3013 \ |
| 3014 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3015 "Number of runtime stub nodes to show in profile") \ |
| 0 | 3016 \ |
| 3017 product(intx, ProfileIntervalsTicks, 100, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3018 "Number of ticks between printing of interval profile " \ |
| 0 | 3019 "(+ProfileIntervals)") \ |
| 3020 \ | |
| 3021 notproduct(intx, ScavengeALotInterval, 1, \ | |
| 3022 "Interval between which scavenge will occur with +ScavengeALot") \ | |
| 3023 \ | |
| 3024 notproduct(intx, FullGCALotInterval, 1, \ | |
| 3025 "Interval between which full gc will occur with +FullGCALot") \ | |
| 3026 \ | |
| 3027 notproduct(intx, FullGCALotStart, 0, \ | |
| 3028 "For which invocation to start FullGCAlot") \ | |
| 3029 \ | |
| 3030 notproduct(intx, FullGCALotDummies, 32*K, \ | |
| 3031 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
| 3032 "to move") \ | |
| 3033 \ | |
| 3034 develop(intx, DontYieldALotInterval, 10, \ | |
| 3035 "Interval between which yields will be dropped (milliseconds)") \ | |
| 3036 \ | |
| 3037 develop(intx, MinSleepInterval, 1, \ | |
| 3038 "Minimum sleep() interval (milliseconds) when " \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3039 "ConvertSleepToYield is off (used for Solaris)") \ |
| 0 | 3040 \ |
| 3041 develop(intx, ProfilerPCTickThreshold, 15, \ | |
| 3042 "Number of ticks in a PC buckets to be a hotspot") \ | |
| 3043 \ | |
| 3044 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
| 3045 "Number of exits until DeoptimizeALot kicks in") \ | |
| 3046 \ | |
| 3047 notproduct(intx, ZombieALotInterval, 5, \ | |
| 3048 "Number of exits until ZombieALot kicks in") \ | |
| 3049 \ | |
| 3050 diagnostic(intx, MallocVerifyInterval, 0, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3051 "If non-zero, verify C heap after every N calls to " \ |
| 0 | 3052 "malloc/realloc/free") \ |
| 3053 \ | |
| 3054 diagnostic(intx, MallocVerifyStart, 0, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3055 "If non-zero, start verifying C heap after Nth call to " \ |
| 0 | 3056 "malloc/realloc/free") \ |
| 3057 \ | |
|
8802
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents:
8706
diff
changeset
|
3058 diagnostic(uintx, MallocMaxTestWords, 0, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3059 "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
|
3060 "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
|
3061 \ |
| 6818 | 3062 product(intx, TypeProfileWidth, 2, \ |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3063 "Number of receiver types to record in call/cast profile") \ |
| 0 | 3064 \ |
| 3065 develop(intx, BciProfileWidth, 2, \ | |
|
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3066 "Number of return bci's to record in ret profile") \ |
| 0 | 3067 \ |
| 3068 product(intx, PerMethodRecompilationCutoff, 400, \ | |
| 3069 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
| 3070 \ | |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
3071 product(intx, PerBytecodeRecompilationCutoff, 200, \ |
| 0 | 3072 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ |
| 3073 \ | |
| 3074 product(intx, PerMethodTrapLimit, 100, \ | |
| 3075 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
| 3076 \ | |
|
17728
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3077 experimental(intx, PerMethodSpecTrapLimit, 5000, \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3078 "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
|
3079 \ |
| 0 | 3080 product(intx, PerBytecodeTrapLimit, 4, \ |
| 3081 "Limit on traps (of one kind) at a particular BCI") \ | |
| 3082 \ | |
|
17728
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3083 experimental(intx, SpecTrapLimitExtraEntries, 3, \ |
|
b8413a9cbb84
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents:
17667
diff
changeset
|
3084 "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
|
3085 \ |
| 0 | 3086 develop(intx, InlineFrequencyRatio, 20, \ |
| 3087 "Ratio of call site execution to caller method invocation") \ | |
| 3088 \ | |
| 3089 develop_pd(intx, InlineFrequencyCount, \ | |
| 3090 "Count of call site execution necessary to trigger frequent " \ | |
| 3091 "inlining") \ | |
| 3092 \ | |
| 3093 develop(intx, InlineThrowCount, 50, \ | |
| 3094 "Force inlining of interpreted methods that throw this often") \ | |
| 3095 \ | |
| 3096 develop(intx, InlineThrowMaxSize, 200, \ | |
| 3097 "Force inlining of throwing methods smaller than this") \ | |
| 3098 \ | |
| 3099 develop(intx, ProfilerNodeSize, 1024, \ | |
| 3100 "Size in K to allocate for the Profile Nodes of each thread") \ | |
| 3101 \ | |
| 3102 product_pd(intx, PreInflateSpin, \ | |
| 3103 "Number of times to spin wait before inflation") \ | |
| 3104 \ | |
| 3105 /* gc parameters */ \ | |
| 1064 | 3106 product(uintx, InitialHeapSize, 0, \ |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10208
diff
changeset
|
3107 "Initial heap size (in bytes); zero means use ergonomics") \ |
| 1064 | 3108 \ |
| 3109 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
| 3110 "Maximum heap size (in bytes)") \ | |
| 3111 \ | |
| 3112 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
| 3113 "Initial tenured generation size (in bytes)") \ | |
| 3114 \ | |
|
1287
8911d8c0596f
6923123: Hotspot refuses to start when -Xmx4m or -Xms4m is specified
phh
parents:
1211
diff
changeset
|
3115 product(uintx, NewSize, ScaleForWordSize(1*M), \ |
| 1064 | 3116 "Initial new generation size (in bytes)") \ |
| 0 | 3117 \ |
| 3118 product(uintx, MaxNewSize, max_uintx, \ | |
| 1064 | 3119 "Maximum new generation size (in bytes), max_uintx means set " \ |
| 3120 "ergonomically") \ | |
| 0 | 3121 \ |
| 3122 product(uintx, PretenureSizeThreshold, 0, \ | |
| 1064 | 3123 "Maximum size in bytes of objects allocated in DefNew " \ |
| 3124 "generation; zero means no maximum") \ | |
| 3125 \ | |
| 3126 product(uintx, TLABSize, 0, \ | |
| 3127 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
| 0 | 3128 \ |
| 3129 product(uintx, MinTLABSize, 2*K, \ | |
| 3130 "Minimum allowed TLAB size (in bytes)") \ | |
| 3131 \ | |
| 3132 product(uintx, TLABAllocationWeight, 35, \ | |
| 3133 "Allocation averaging weight") \ | |
| 3134 \ | |
| 3135 product(uintx, TLABWasteTargetPercent, 1, \ | |
| 3136 "Percentage of Eden that can be wasted") \ | |
| 3137 \ | |
| 3138 product(uintx, TLABRefillWasteFraction, 64, \ | |
|
12836
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tamao
parents:
12287
diff
changeset
|
3139 "Maximum TLAB waste at a refill (internal fragmentation)") \ |
| 0 | 3140 \ |
| 3141 product(uintx, TLABWasteIncrement, 4, \ | |
| 3142 "Increment allowed waste at slow allocation") \ | |
| 3143 \ | |
| 8035 | 3144 product(uintx, SurvivorRatio, 8, \ |
| 0 | 3145 "Ratio of eden/survivor space size") \ |
| 3146 \ | |
| 8035 | 3147 product(uintx, NewRatio, 2, \ |
|
12836
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tamao
parents:
12287
diff
changeset
|
3148 "Ratio of old/new generation sizes") \ |
| 0 | 3149 \ |
| 3150 product_pd(uintx, NewSizeThreadIncrease, \ | |
| 3151 "Additional size added to desired new generation size per " \ | |
| 3152 "non-daemon thread (in bytes)") \ | |
| 3153 \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3154 product_pd(uintx, MetaspaceSize, \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3155 "Initial size of Metaspaces (in bytes)") \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3156 \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3157 product(uintx, MaxMetaspaceSize, max_uintx, \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3158 "Maximum size of Metaspaces (in bytes)") \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3159 \ |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3160 product(uintx, CompressedClassSpaceSize, 1*G, \ |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3161 "Maximum size of class area in Metaspace when compressed " \ |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12154
diff
changeset
|
3162 "class pointers are used") \ |
| 0 | 3163 \ |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17625
diff
changeset
|
3164 manageable(uintx, MinHeapFreeRatio, 40, \ |
|
12892
9c8289162268
8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents:
12838
diff
changeset
|
3165 "The minimum percentage of heap free after GC to avoid expansion."\ |
|
17648
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|
3166 " For most GCs this applies to the old generation. In G1 and" \ |
|
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|
3167 " ParallelGC it applies to the whole heap.") \ |
|
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|
3168 \ |
|
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|
3169 manageable(uintx, MaxHeapFreeRatio, 70, \ |
|
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|
3170 "The maximum percentage of heap free after GC to avoid shrinking."\ |
|
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|
3171 " For most GCs this applies to the old generation. In G1 and" \ |
|
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|
3172 " ParallelGC it applies to the whole heap.") \ |
| 0 | 3173 \ |
| 3174 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
| 3175 "Number of milliseconds per MB of free space in the heap") \ | |
| 3176 \ | |
| 3177 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
|
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|
3178 "The minimum change in heap space due to GC (in bytes)") \ |
| 0 | 3179 \ |
| 6818 | 3180 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \ |
|
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|
3181 "The minimum expansion of Metaspace (in bytes)") \ |
|
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|
3182 \ |
|
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|
3183 product(uintx, MinMetaspaceFreeRatio, 40, \ |
|
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|
3184 "The minimum percentage of Metaspace free after GC to avoid " \ |
|
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|
3185 "expansion") \ |
|
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|
3186 \ |
|
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|
3187 product(uintx, MaxMetaspaceFreeRatio, 70, \ |
|
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|
3188 "The maximum percentage of Metaspace free after GC to avoid " \ |
|
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|
3189 "shrinking") \ |
| 0 | 3190 \ |
| 6818 | 3191 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \ |
|
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|
3192 "The maximum expansion of Metaspace without full GC (in bytes)") \ |
| 0 | 3193 \ |
|
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|
3194 product(uintx, QueuedAllocationWarningCount, 0, \ |
| 0 | 3195 "Number of times an allocation that queues behind a GC " \ |
| 3196 "will retry before printing a warning") \ | |
| 3197 \ | |
| 3198 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
| 3199 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
| 3200 \ | |
| 3201 diagnostic(intx, VerifyGCLevel, 0, \ | |
| 3202 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
| 3203 \ | |
| 6818 | 3204 product(uintx, MaxTenuringThreshold, 15, \ |
| 0 | 3205 "Maximum value for tenuring threshold") \ |
| 3206 \ | |
| 6818 | 3207 product(uintx, InitialTenuringThreshold, 7, \ |
| 0 | 3208 "Initial value for tenuring threshold") \ |
| 3209 \ | |
| 8035 | 3210 product(uintx, TargetSurvivorRatio, 50, \ |
| 0 | 3211 "Desired percentage of survivor space used after scavenge") \ |
| 3212 \ | |
| 438 | 3213 product(uintx, MarkSweepDeadRatio, 5, \ |
|
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|
3214 "Percentage (0-100) of the old gen allowed as dead wood. " \ |
|
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|
3215 "Serial mark sweep treats this as both the minimum and maximum " \ |
|
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|
3216 "value. " \ |
|
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|
3217 "CMS uses this value only if it falls back to mark sweep. " \ |
|
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|
3218 "Par compact uses a variable scale based on the density of the " \ |
|
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|
3219 "generation and treats this as the maximum value when the heap " \ |
|
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|
3220 "is either completely full or completely empty. Par compact " \ |
|
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|
3221 "also has a smaller default value; see arguments.cpp.") \ |
| 0 | 3222 \ |
|
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|
3223 product(uintx, MarkSweepAlwaysCompactCount, 4, \ |
| 0 | 3224 "How often should we fully compact the heap (ignoring the dead " \ |
| 3225 "space parameters)") \ | |
| 3226 \ | |
| 3227 product(intx, PrintCMSStatistics, 0, \ | |
| 3228 "Statistics for CMS") \ | |
| 3229 \ | |
| 3230 product(bool, PrintCMSInitiationStatistics, false, \ | |
| 3231 "Statistics for initiating a CMS collection") \ | |
| 3232 \ | |
| 3233 product(intx, PrintFLSStatistics, 0, \ | |
| 3234 "Statistics for CMS' FreeListSpace") \ | |
| 3235 \ | |
| 3236 product(intx, PrintFLSCensus, 0, \ | |
| 3237 "Census for CMS' FreeListSpace") \ | |
| 3238 \ | |
| 3239 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
|
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|
3240 "Delay between expansion and allocation (in milliseconds)") \ |
| 0 | 3241 \ |
| 6817 | 3242 develop(uintx, GCWorkerDelayMillis, 0, \ |
|
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|
3243 "Delay in scheduling GC workers (in milliseconds)") \ |
| 6817 | 3244 \ |
| 0 | 3245 product(intx, DeferThrSuspendLoopCount, 4000, \ |
| 3246 "(Unstable) Number of times to iterate in safepoint loop " \ | |
|
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|
3247 "before blocking VM threads ") \ |
| 0 | 3248 \ |
| 3249 product(intx, DeferPollingPageLoopCount, -1, \ | |
| 3250 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
| 3251 "before changing safepoint polling page to RO ") \ | |
| 3252 \ | |
|
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|
3253 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ |
| 0 | 3254 \ |
| 3255 product(bool, PSChunkLargeArrays, true, \ | |
|
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|
3256 "Process large arrays in chunks") \ |
| 0 | 3257 \ |
| 3258 product(uintx, GCDrainStackTargetSize, 64, \ | |
|
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|
3259 "Number of entries we will try to leave on the stack " \ |
|
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|
3260 "during parallel gc") \ |
| 0 | 3261 \ |
| 3262 /* stack parameters */ \ | |
| 3263 product_pd(intx, StackYellowPages, \ | |
| 3264 "Number of yellow zone (recoverable overflows) pages") \ | |
| 3265 \ | |
| 3266 product_pd(intx, StackRedPages, \ | |
| 3267 "Number of red zone (unrecoverable overflows) pages") \ | |
| 3268 \ | |
| 3269 product_pd(intx, StackShadowPages, \ | |
|
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|
3270 "Number of shadow zone (for overflow checking) pages " \ |
|
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|
3271 "this should exceed the depth of the VM and native call stack") \ |
| 0 | 3272 \ |
| 3273 product_pd(intx, ThreadStackSize, \ | |
| 3274 "Thread Stack Size (in Kbytes)") \ | |
| 3275 \ | |
| 3276 product_pd(intx, VMThreadStackSize, \ | |
| 3277 "Non-Java Thread Stack Size (in Kbytes)") \ | |
| 3278 \ | |
| 3279 product_pd(intx, CompilerThreadStackSize, \ | |
| 3280 "Compiler Thread Stack Size (in Kbytes)") \ | |
| 3281 \ | |
| 3282 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
| 3283 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
| 3284 \ | |
| 3285 product(uintx, ThreadSafetyMargin, 50*M, \ | |
| 3286 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
| 3287 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
| 3288 "disable this feature") \ | |
| 3289 \ | |
| 3290 /* code cache parameters */ \ | |
| 14391 | 3291 /* ppc64 has large code-entry alignment. */ \ |
| 3292 develop(uintx, CodeCacheSegmentSize, 64 PPC64_ONLY(+64), \ | |
| 0 | 3293 "Code cache segment size (in bytes) - smallest unit of " \ |
| 3294 "allocation") \ | |
| 3295 \ | |
| 3296 develop_pd(intx, CodeEntryAlignment, \ | |
| 3297 "Code entry alignment for generated code (in bytes)") \ | |
| 3298 \ | |
| 1365 | 3299 product_pd(intx, OptoLoopAlignment, \ |
| 3300 "Align inner loops to zero relative to this modulus") \ | |
| 3301 \ | |
| 0 | 3302 product_pd(uintx, InitialCodeCacheSize, \ |
| 3303 "Initial code cache size (in bytes)") \ | |
| 3304 \ | |
|
11079
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|
3305 develop_pd(uintx, CodeCacheMinimumUseSpace, \ |
|
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|
3306 "Minimum code cache size (in bytes) required to start VM.") \ |
|
738e04fb1232
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|
3307 \ |
| 0 | 3308 product_pd(uintx, ReservedCodeCacheSize, \ |
| 3309 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
| 3310 \ | |
| 3311 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
|
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|
3312 "When less than X space left, we stop compiling") \ |
| 0 | 3313 \ |
| 3314 product_pd(uintx, CodeCacheExpansionSize, \ | |
| 3315 "Code cache expansion size (in bytes)") \ | |
| 3316 \ | |
| 3317 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
|
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|
3318 "Minimum number of segments in a code cache block") \ |
| 0 | 3319 \ |
| 3320 notproduct(bool, ExitOnFullCodeCache, false, \ | |
|
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|
3321 "Exit the VM if we fill the code cache") \ |
| 0 | 3322 \ |
| 4039 | 3323 product(bool, UseCodeCacheFlushing, true, \ |
|
13074
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8027593: performance drop with constrained codecache starting with hs25 b111
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|
3324 "Remove cold/old nmethods from the code cache") \ |
| 1202 | 3325 \ |
| 0 | 3326 /* interpreter debugging */ \ |
| 3327 develop(intx, BinarySwitchThreshold, 5, \ | |
| 3328 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
| 3329 "switch") \ | |
| 3330 \ | |
| 3331 develop(intx, StopInterpreterAt, 0, \ | |
|
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|
3332 "Stop interpreter execution at specified bytecode number") \ |
| 0 | 3333 \ |
| 3334 develop(intx, TraceBytecodesAt, 0, \ | |
|
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|
3335 "Trace bytecodes starting with specified bytecode number") \ |
| 0 | 3336 \ |
| 3337 /* compiler interface */ \ | |
| 3338 develop(intx, CIStart, 0, \ | |
|
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|
3339 "The id of the first compilation to permit") \ |
| 0 | 3340 \ |
| 17625 | 3341 develop(intx, CIStop, max_jint, \ |
|
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|
3342 "The id of the last compilation to permit") \ |
| 0 | 3343 \ |
| 17625 | 3344 develop(intx, CIStartOSR, 0, \ |
|
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|
3345 "The id of the first osr compilation to permit " \ |
| 0 | 3346 "(CICountOSR must be on)") \ |
| 3347 \ | |
| 17625 | 3348 develop(intx, CIStopOSR, max_jint, \ |
|
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|
3349 "The id of the last osr compilation to permit " \ |
| 0 | 3350 "(CICountOSR must be on)") \ |
| 3351 \ | |
| 17625 | 3352 develop(intx, CIBreakAtOSR, -1, \ |
|
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|
3353 "The id of osr compilation to break at") \ |
| 0 | 3354 \ |
| 17625 | 3355 develop(intx, CIBreakAt, -1, \ |
|
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|
3356 "The id of compilation to break at") \ |
| 0 | 3357 \ |
| 3358 product(ccstrlist, CompileOnly, "", \ | |
| 3359 "List of methods (pkg/class.name) to restrict compilation to") \ | |
| 3360 \ | |
| 3361 product(ccstr, CompileCommandFile, NULL, \ | |
| 3362 "Read compiler commands from this file [.hotspot_compiler]") \ | |
| 3363 \ | |
| 3364 product(ccstrlist, CompileCommand, "", \ | |
| 3365 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
| 3366 \ | |
|
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|
3367 develop(bool, ReplayCompiles, false, \ |
|
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|
3368 "Enable replay of compilations from ReplayDataFile") \ |
|
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|
3369 \ |
|
10195
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|
3370 product(ccstr, ReplayDataFile, NULL, \ |
|
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|
3371 "File containing compilation replay information" \ |
|
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|
3372 "[default: ./replay_pid%p.log] (%p replaced with pid)") \ |
|
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|
3373 \ |
| 17622 | 3374 product(ccstr, InlineDataFile, NULL, \ |
| 3375 "File containing inlining replay information" \ | |
| 3376 "[default: ./inline_pid%p.log] (%p replaced with pid)") \ | |
| 3377 \ | |
|
6972
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|
3378 develop(intx, ReplaySuppressInitializers, 2, \ |
|
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|
3379 "Control handling of class initialization during replay: " \ |
|
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|
3380 "0 - don't do anything special; " \ |
|
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|
3381 "1 - treat all class initializers as empty; " \ |
|
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|
3382 "2 - treat class initializers for application classes as empty; " \ |
|
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|
3383 "3 - allow all class initializers to run during bootstrap but " \ |
|
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|
3384 " pretend they are empty after starting replay") \ |
|
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|
3385 \ |
|
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|
3386 develop(bool, ReplayIgnoreInitErrors, false, \ |
|
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|
3387 "Ignore exceptions thrown during initialization for replay") \ |
|
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|
3388 \ |
|
10195
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|
3389 product(bool, DumpReplayDataOnError, true, \ |
|
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|
3390 "Record replay data for crashing compiler threads") \ |
|
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|
3391 \ |
| 0 | 3392 product(bool, CICompilerCountPerCPU, false, \ |
| 3393 "1 compiler thread for log(N CPUs)") \ | |
| 3394 \ | |
| 3395 develop(intx, CIFireOOMAt, -1, \ | |
| 3396 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
| 3397 "(non-negative value throws OOM after this many CI accesses " \ | |
| 3398 "in each compile)") \ | |
|
10197
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|
3399 notproduct(intx, CICrashAt, -1, \ |
|
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3400 "id of compilation to trigger assert in compiler thread for " \ |
|
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3401 "the purpose of testing, e.g. generation of replay data") \ |
|
909
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3402 notproduct(bool, CIObjectFactoryVerify, false, \ |
|
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3403 "enable potentially expensive verification in ciObjectFactory") \ |
|
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3404 \ |
| 0 | 3405 /* Priorities */ \ |
| 3406 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
| 3407 \ | |
| 3408 product(intx, ThreadPriorityPolicy, 0, \ | |
| 3409 "0 : Normal. "\ | |
| 3410 " VM chooses priorities that are appropriate for normal "\ | |
| 3411 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
|
12836
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parents:
12287
diff
changeset
|
3412 " to normal native priority. Java priorities below " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3413 " NORM_PRIORITY map to lower native priority values. On "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3414 " Windows applications are allowed to use higher native "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3415 " priorities. However, with ThreadPriorityPolicy=0, VM will "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
diff
changeset
|
3416 " not use the highest possible native priority, "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3417 " THREAD_PRIORITY_TIME_CRITICAL, as it may interfere with "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
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changeset
|
3418 " system threads. On Linux thread priorities are ignored "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
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changeset
|
3419 " because the OS does not support static priority in "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
12287
diff
changeset
|
3420 " SCHED_OTHER scheduling class which is the only choice for "\ |
| 0 | 3421 " non-root, non-realtime applications. "\ |
| 3422 "1 : Aggressive. "\ | |
| 3423 " Java thread priorities map over to the entire range of "\ | |
| 3424 " native thread priorities. Higher Java thread priorities map "\ | |
| 3425 " to higher native thread priorities. This policy should be "\ | |
| 3426 " used with care, as sometimes it can cause performance "\ | |
| 3427 " degradation in the application and/or the entire system. On "\ | |
| 3428 " Linux this policy requires root privilege.") \ | |
| 3429 \ | |
| 3430 product(bool, ThreadPriorityVerbose, false, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3431 "Print priority changes") \ |
| 0 | 3432 \ |
| 3433 product(intx, DefaultThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3434 "The native priority at which threads run if not elsewhere " \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3435 "specified (-1 means no change)") \ |
| 0 | 3436 \ |
| 3437 product(intx, CompilerThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3438 "The native priority at which compiler threads should run " \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3439 "(-1 means no change)") \ |
| 0 | 3440 \ |
| 3441 product(intx, VMThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3442 "The native priority at which the VM thread should run " \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3443 "(-1 means no change)") \ |
| 0 | 3444 \ |
| 3445 product(bool, CompilerThreadHintNoPreempt, true, \ | |
| 3446 "(Solaris only) Give compiler threads an extra quanta") \ | |
| 3447 \ | |
| 3448 product(bool, VMThreadHintNoPreempt, false, \ | |
| 3449 "(Solaris only) Give VM thread an extra quanta") \ | |
| 3450 \ | |
|
12836
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|
3451 product(intx, JavaPriority1_To_OSPriority, -1, \ |
|
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changeset
|
3452 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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|
3453 \ |
|
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12287
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changeset
|
3454 product(intx, JavaPriority2_To_OSPriority, -1, \ |
|
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changeset
|
3455 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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|
3456 \ |
|
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changeset
|
3457 product(intx, JavaPriority3_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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diff
changeset
|
3458 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
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changeset
|
3459 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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changeset
|
3460 product(intx, JavaPriority4_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
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diff
changeset
|
3461 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3462 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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changeset
|
3463 product(intx, JavaPriority5_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3464 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
diff
changeset
|
3465 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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changeset
|
3466 product(intx, JavaPriority6_To_OSPriority, -1, \ |
|
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changeset
|
3467 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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|
3468 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3469 product(intx, JavaPriority7_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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changeset
|
3470 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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|
3471 \ |
|
b4d8a3d4db73
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changeset
|
3472 product(intx, JavaPriority8_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3473 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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|
3474 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3475 product(intx, JavaPriority9_To_OSPriority, -1, \ |
|
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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changeset
|
3476 "Map Java priorities to OS priorities") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
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changeset
|
3477 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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changeset
|
3478 product(intx, JavaPriority10_To_OSPriority,-1, \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3479 "Map Java priorities to OS priorities") \ |
| 0 | 3480 \ |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3481 experimental(bool, UseCriticalJavaThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3482 "Java thread priority 10 maps to critical scheduling priority") \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3483 \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3484 experimental(bool, UseCriticalCompilerThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3485 "Compiler thread(s) run at critical scheduling priority") \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3486 \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3487 experimental(bool, UseCriticalCMSThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3488 "ConcurrentMarkSweep thread runs at critical scheduling priority")\ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
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changeset
|
3489 \ |
| 0 | 3490 /* compiler debugging */ \ |
| 3491 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
| 3492 "First class to consider when using +CompileTheWorld") \ | |
| 3493 \ | |
| 3494 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
| 3495 "Last class to consider when using +CompileTheWorld") \ | |
| 3496 \ | |
| 3497 develop(intx, NewCodeParameter, 0, \ | |
| 3498 "Testing Only: Create a dedicated integer parameter before " \ | |
| 3499 "putback") \ | |
| 3500 \ | |
| 3501 /* new oopmap storage allocation */ \ | |
| 3502 develop(intx, MinOopMapAllocation, 8, \ | |
| 3503 "Minimum number of OopMap entries in an OopMapSet") \ | |
| 3504 \ | |
| 3505 /* Background Compilation */ \ | |
| 3506 develop(intx, LongCompileThreshold, 50, \ | |
| 3507 "Used with +TraceLongCompiles") \ | |
| 3508 \ | |
| 3509 product(intx, StarvationMonitorInterval, 200, \ | |
|
12836
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|
3510 "Pause between each check (in milliseconds)") \ |
| 0 | 3511 \ |
| 3512 /* recompilation */ \ | |
| 3513 product_pd(intx, CompileThreshold, \ | |
| 3514 "number of interpreted method invocations before (re-)compiling") \ | |
| 3515 \ | |
| 3516 product_pd(intx, BackEdgeThreshold, \ | |
|
12836
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|
3517 "Interpreter Back edge threshold at which an OSR compilation is " \ |
|
b4d8a3d4db73
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|
3518 "invoked") \ |
| 0 | 3519 \ |
| 1783 | 3520 product(intx, Tier0InvokeNotifyFreqLog, 7, \ |
|
12836
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|
3521 "Interpreter (tier 0) invocation notification frequency") \ |
| 1783 | 3522 \ |
| 3523 product(intx, Tier2InvokeNotifyFreqLog, 11, \ | |
|
12836
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|
3524 "C1 without MDO (tier 2) invocation notification frequency") \ |
| 1783 | 3525 \ |
| 3526 product(intx, Tier3InvokeNotifyFreqLog, 10, \ | |
| 3527 "C1 with MDO profiling (tier 3) invocation notification " \ | |
|
12836
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|
3528 "frequency") \ |
| 1783 | 3529 \ |
|
3964
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3530 product(intx, Tier23InlineeNotifyFreqLog, 20, \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3531 "Inlinee invocation (tiers 2 and 3) notification frequency") \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3532 \ |
| 1783 | 3533 product(intx, Tier0BackedgeNotifyFreqLog, 10, \ |
|
12836
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changeset
|
3534 "Interpreter (tier 0) invocation notification frequency") \ |
| 1783 | 3535 \ |
| 3536 product(intx, Tier2BackedgeNotifyFreqLog, 14, \ | |
|
12836
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changeset
|
3537 "C1 without MDO (tier 2) invocation notification frequency") \ |
| 1783 | 3538 \ |
| 3539 product(intx, Tier3BackedgeNotifyFreqLog, 13, \ | |
| 3540 "C1 with MDO profiling (tier 3) invocation notification " \ | |
|
12836
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|
3541 "frequency") \ |
| 1783 | 3542 \ |
| 3543 product(intx, Tier2CompileThreshold, 0, \ | |
| 3544 "threshold at which tier 2 compilation is invoked") \ | |
| 3545 \ | |
| 3546 product(intx, Tier2BackEdgeThreshold, 0, \ | |
| 3547 "Back edge threshold at which tier 2 compilation is invoked") \ | |
| 3548 \ | |
| 3549 product(intx, Tier3InvocationThreshold, 200, \ | |
| 3550 "Compile if number of method invocations crosses this " \ | |
| 3551 "threshold") \ | |
| 3552 \ | |
| 3553 product(intx, Tier3MinInvocationThreshold, 100, \ | |
| 3554 "Minimum invocation to compile at tier 3") \ | |
| 3555 \ | |
| 3556 product(intx, Tier3CompileThreshold, 2000, \ | |
| 3557 "Threshold at which tier 3 compilation is invoked (invocation " \ | |
|
12836
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|
3558 "minimum must be satisfied") \ |
| 1783 | 3559 \ |
| 4819 | 3560 product(intx, Tier3BackEdgeThreshold, 60000, \ |
| 1783 | 3561 "Back edge threshold at which tier 3 OSR compilation is invoked") \ |
| 3562 \ | |
| 3563 product(intx, Tier4InvocationThreshold, 5000, \ | |
| 3564 "Compile if number of method invocations crosses this " \ | |
| 3565 "threshold") \ | |
| 3566 \ | |
| 3567 product(intx, Tier4MinInvocationThreshold, 600, \ | |
| 3568 "Minimum invocation to compile at tier 4") \ | |
| 3569 \ | |
| 3570 product(intx, Tier4CompileThreshold, 15000, \ | |
| 3571 "Threshold at which tier 4 compilation is invoked (invocation " \ | |
|
12836
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|
3572 "minimum must be satisfied") \ |
| 1783 | 3573 \ |
| 3574 product(intx, Tier4BackEdgeThreshold, 40000, \ | |
| 3575 "Back edge threshold at which tier 4 OSR compilation is invoked") \ | |
| 3576 \ | |
| 3577 product(intx, Tier3DelayOn, 5, \ | |
| 3578 "If C2 queue size grows over this amount per compiler thread " \ | |
| 3579 "stop compiling at tier 3 and start compiling at tier 2") \ | |
| 3580 \ | |
| 3581 product(intx, Tier3DelayOff, 2, \ | |
| 3582 "If C2 queue size is less than this amount per compiler thread " \ | |
| 3583 "allow methods compiled at tier 2 transition to tier 3") \ | |
| 3584 \ | |
| 3585 product(intx, Tier3LoadFeedback, 5, \ | |
| 3586 "Tier 3 thresholds will increase twofold when C1 queue size " \ | |
| 3587 "reaches this amount per compiler thread") \ | |
| 3588 \ | |
| 3589 product(intx, Tier4LoadFeedback, 3, \ | |
| 3590 "Tier 4 thresholds will increase twofold when C2 queue size " \ | |
| 3591 "reaches this amount per compiler thread") \ | |
| 3592 \ | |
| 3593 product(intx, TieredCompileTaskTimeout, 50, \ | |
| 3594 "Kill compile task if method was not used within " \ | |
| 3595 "given timeout in milliseconds") \ | |
| 3596 \ | |
| 3597 product(intx, TieredStopAtLevel, 4, \ | |
| 3598 "Stop at given compilation level") \ | |
| 3599 \ | |
| 3600 product(intx, Tier0ProfilingStartPercentage, 200, \ | |
|
12836
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|
3601 "Start profiling in interpreter if the counters exceed tier 3 " \ |
| 1783 | 3602 "thresholds by the specified percentage") \ |
| 3603 \ | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10293
diff
changeset
|
3604 product(uintx, IncreaseFirstTierCompileThresholdAt, 50, \ |
|
12836
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|
3605 "Increase the compile threshold for C1 compilation if the code " \ |
|
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|
3606 "cache is filled by the specified percentage") \ |
|
10319
91eba9f82325
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10293
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changeset
|
3607 \ |
| 1783 | 3608 product(intx, TieredRateUpdateMinTime, 1, \ |
| 3609 "Minimum rate sampling interval (in milliseconds)") \ | |
| 3610 \ | |
| 3611 product(intx, TieredRateUpdateMaxTime, 25, \ | |
| 3612 "Maximum rate sampling interval (in milliseconds)") \ | |
| 0 | 3613 \ |
| 3614 product_pd(bool, TieredCompilation, \ | |
| 1783 | 3615 "Enable tiered compilation") \ |
| 3616 \ | |
| 3617 product(bool, PrintTieredEvents, false, \ | |
| 3618 "Print tiered events notifications") \ | |
| 0 | 3619 \ |
| 3620 product_pd(intx, OnStackReplacePercentage, \ | |
|
12836
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parents:
12287
diff
changeset
|
3621 "NON_TIERED number of method invocations/branches (expressed as " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
12287
diff
changeset
|
3622 "% of CompileThreshold) before (re-)compiling OSR code") \ |
| 0 | 3623 \ |
| 3624 product(intx, InterpreterProfilePercentage, 33, \ | |
|
12836
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12287
diff
changeset
|
3625 "NON_TIERED number of method invocations/branches (expressed as " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3626 "% of CompileThreshold) before profiling in the interpreter") \ |
| 0 | 3627 \ |
| 3628 develop(intx, MaxRecompilationSearchLength, 10, \ | |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
12287
diff
changeset
|
3629 "The maximum number of frames to inspect when searching for " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3630 "recompilee") \ |
| 0 | 3631 \ |
| 3632 develop(intx, MaxInterpretedSearchLength, 3, \ | |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3633 "The maximum number of interpreted frames to skip when searching "\ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3634 "for recompilee") \ |
| 0 | 3635 \ |
| 3636 develop(intx, DesiredMethodLimit, 8000, \ | |
|
12836
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3637 "The desired maximum method size (in bytecodes) after inlining") \ |
| 0 | 3638 \ |
| 3639 develop(intx, HugeMethodLimit, 8000, \ | |
|
12836
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parents:
12287
diff
changeset
|
3640 "Don't compile methods larger than this if " \ |
| 0 | 3641 "+DontCompileHugeMethods") \ |
| 3642 \ | |
| 3643 /* New JDK 1.4 reflection implementation */ \ | |
| 3644 \ | |
| 3645 develop(bool, UseNewReflection, true, \ | |
| 3646 "Temporary flag for transition to reflection based on dynamic " \ | |
| 3647 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
| 3648 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
| 3649 "changes were needed") \ | |
| 3650 \ | |
| 3651 develop(bool, VerifyReflectionBytecodes, false, \ | |
| 3652 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
| 3653 "in situations like that described in 4486457 or for " \ | |
| 3654 "constructors generated for serialization, so can not be enabled "\ | |
| 3655 "in product.") \ | |
| 3656 \ | |
| 3657 product(bool, ReflectionWrapResolutionErrors, true, \ | |
| 3658 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
| 3659 "in InvocationTargetException. See 6531596") \ | |
| 3660 \ | |
| 3661 develop(intx, FastSuperclassLimit, 8, \ | |
| 3662 "Depth of hardwired instanceof accelerator array") \ | |
| 3663 \ | |
| 3664 /* Properties for Java libraries */ \ | |
| 3665 \ | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6197
diff
changeset
|
3666 product(uintx, MaxDirectMemorySize, 0, \ |
| 0 | 3667 "Maximum total size of NIO direct-buffer allocations") \ |
| 3668 \ | |
| 3669 /* temporary developer defined flags */ \ | |
| 3670 \ | |
| 3671 diagnostic(bool, UseNewCode, false, \ | |
| 3672 "Testing Only: Use the new version while testing") \ | |
| 3673 \ | |
| 3674 diagnostic(bool, UseNewCode2, false, \ | |
| 3675 "Testing Only: Use the new version while testing") \ | |
| 3676 \ | |
| 3677 diagnostic(bool, UseNewCode3, false, \ | |
| 3678 "Testing Only: Use the new version while testing") \ | |
| 3679 \ | |
| 3680 /* flags for performance data collection */ \ | |
| 3681 \ | |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3780
diff
changeset
|
3682 product(bool, UsePerfData, falseInEmbedded, \ |
|
12836
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parents:
12287
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changeset
|
3683 "Flag to disable jvmstat instrumentation for performance testing "\ |
|
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3684 "and problem isolation purposes") \ |
| 0 | 3685 \ |
| 3686 product(bool, PerfDataSaveToFile, false, \ | |
| 3687 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
| 3688 \ | |
| 3689 product(ccstr, PerfDataSaveFile, NULL, \ | |
|
12836
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12287
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changeset
|
3690 "Save PerfData memory to the specified absolute pathname. " \ |
|
b4d8a3d4db73
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parents:
12287
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changeset
|
3691 "The string %p in the file name (if present) " \ |
|
b4d8a3d4db73
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parents:
12287
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changeset
|
3692 "will be replaced by pid") \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
12287
diff
changeset
|
3693 \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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parents:
12287
diff
changeset
|
3694 product(intx, PerfDataSamplingInterval, 50, \ |
|
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parents:
12287
diff
changeset
|
3695 "Data sampling interval (in milliseconds)") \ |
| 0 | 3696 \ |
| 3697 develop(bool, PerfTraceDataCreation, false, \ | |
| 3698 "Trace creation of Performance Data Entries") \ | |
| 3699 \ | |
| 3700 develop(bool, PerfTraceMemOps, false, \ | |
| 3701 "Trace PerfMemory create/attach/detach calls") \ | |
| 3702 \ | |
| 3703 product(bool, PerfDisableSharedMem, false, \ | |
| 3704 "Store performance data in standard memory") \ | |
| 3705 \ | |
| 3706 product(intx, PerfDataMemorySize, 32*K, \ | |
| 3707 "Size of performance data memory region. Will be rounded " \ | |
| 3708 "up to a multiple of the native os page size.") \ | |
| 3709 \ | |
| 3710 product(intx, PerfMaxStringConstLength, 1024, \ | |
| 3711 "Maximum PerfStringConstant string length before truncation") \ | |
| 3712 \ | |
| 3713 product(bool, PerfAllowAtExitRegistration, false, \ | |
| 3714 "Allow registration of atexit() methods") \ | |
| 3715 \ | |
| 3716 product(bool, PerfBypassFileSystemCheck, false, \ | |
| 3717 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
| 3718 \ | |
| 3719 product(intx, UnguardOnExecutionViolation, 0, \ | |
|
12836
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12287
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changeset
|
3720 "Unguard page and retry on no-execute fault (Win32 only) " \ |
| 0 | 3721 "0=off, 1=conservative, 2=aggressive") \ |
| 3722 \ | |
| 3723 /* Serviceability Support */ \ | |
| 3724 \ | |
| 3725 product(bool, ManagementServer, false, \ | |
| 3726 "Create JMX Management Server") \ | |
| 3727 \ | |
| 3728 product(bool, DisableAttachMechanism, false, \ | |
|
12836
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12287
diff
changeset
|
3729 "Disable mechanism that allows tools to attach to this VM") \ |
| 0 | 3730 \ |
| 3731 product(bool, StartAttachListener, false, \ | |
| 3732 "Always start Attach Listener at VM startup") \ | |
| 3733 \ | |
| 3734 manageable(bool, PrintConcurrentLocks, false, \ | |
| 3735 "Print java.util.concurrent locks in thread dump") \ | |
| 3736 \ | |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3737 product(bool, TransmitErrorReport, false, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3738 "Enable error report transmission on erroneous termination") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3739 \ |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3740 product(ccstr, ErrorReportServer, NULL, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3741 "Override built-in error report server address") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3742 \ |
| 0 | 3743 /* Shared spaces */ \ |
| 3744 \ | |
| 3745 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
|
3746 "Use shared spaces for metadata") \ |
| 0 | 3747 \ |
| 18096 | 3748 product(bool, VerifySharedSpaces, false, \ |
| 3749 "Verify shared spaces (false for default archive, true for " \ | |
| 3750 "archive specified by -XX:SharedArchiveFile)") \ | |
| 3751 \ | |
| 0 | 3752 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
|
3753 "Require shared spaces for metadata") \ |
| 0 | 3754 \ |
| 3755 product(bool, DumpSharedSpaces, false, \ | |
|
12836
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changeset
|
3756 "Special mode: JVM reads a class list, loads classes, builds " \ |
|
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3757 "shared spaces, and dumps the shared spaces to a file to be " \ |
|
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3758 "used in future JVM runs") \ |
| 0 | 3759 \ |
| 3760 product(bool, PrintSharedSpaces, false, \ | |
| 3761 "Print usage of shared spaces") \ | |
| 3762 \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3763 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
|
3764 "Size of read-write space for metadata (in bytes)") \ |
| 0 | 3765 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3766 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
|
3767 "Size of read-only space for metadata (in bytes)") \ |
| 0 | 3768 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3769 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
|
3770 "Size of the shared miscellaneous data area (in bytes)") \ |
| 0 | 3771 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3772 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
|
3773 "Size of the shared miscellaneous code area (in bytes)") \ |
| 0 | 3774 \ |
|
8804
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3775 product(uintx, SharedBaseAddress, LP64_ONLY(32*G) \ |
|
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3776 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
|
3777 "Address to allocate shared memory region for class data") \ |
| 0 | 3778 \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3779 diagnostic(bool, EnableInvokeDynamic, true, \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3780 "support JSR 292 (method handles, invokedynamic, " \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3781 "anonymous classes") \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3782 \ |
|
3757
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3783 diagnostic(bool, PrintMethodHandleStubs, false, \ |
|
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3784 "Print generated stub code for method handles") \ |
|
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3785 \ |
| 710 | 3786 develop(bool, TraceMethodHandles, false, \ |
| 3787 "trace internal method handle operations") \ | |
| 3788 \ | |
| 3789 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
| 3790 "perform extra checks when constructing method handles") \ | |
| 3791 \ | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3792 diagnostic(bool, ShowHiddenFrames, false, \ |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3793 "show method handle implementation frames (usually hidden)") \ |
|
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3384
diff
changeset
|
3794 \ |
|
1173
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3795 experimental(bool, TrustFinalNonStaticFields, false, \ |
|
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3796 "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
|
3797 \ |
| 17820 | 3798 diagnostic(bool, FoldStableValues, true, \ |
| 3799 "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
|
3800 \ |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3801 develop(bool, TraceInvokeDynamic, false, \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3802 "trace internal invoke dynamic operations") \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3803 \ |
| 0 | 3804 diagnostic(bool, PauseAtStartup, false, \ |
| 3805 "Causes the VM to pause at startup time and wait for the pause " \ | |
| 3806 "file to be removed (default: ./vm.paused.<pid>)") \ | |
| 3807 \ | |
| 3808 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
| 3809 "The file to create and for whose removal to await when pausing " \ | |
| 3810 "at startup. (default: ./vm.paused.<pid>)") \ | |
| 3811 \ | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3812 diagnostic(bool, PauseAtExit, false, \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3813 "Pause and wait for keypress on exit if a debugger is attached") \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3814 \ |
| 0 | 3815 product(bool, ExtendedDTraceProbes, false, \ |
| 3816 "Enable performance-impacting dtrace probes") \ | |
| 3817 \ | |
| 3818 product(bool, DTraceMethodProbes, false, \ | |
| 3819 "Enable dtrace probes for method-entry and method-exit") \ | |
| 3820 \ | |
| 3821 product(bool, DTraceAllocProbes, false, \ | |
| 3822 "Enable dtrace probes for object allocation") \ | |
| 3823 \ | |
| 3824 product(bool, DTraceMonitorProbes, false, \ | |
| 3825 "Enable dtrace probes for monitor events") \ | |
| 3826 \ | |
| 3827 product(bool, RelaxAccessControlCheck, false, \ | |
| 3828 "Relax the access control checks in the verifier") \ | |
| 3829 \ | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3830 diagnostic(bool, PrintDTraceDOF, false, \ |
|
12836
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tamao
parents:
12287
diff
changeset
|
3831 "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
parents:
113
diff
changeset
|
3832 \ |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6935
diff
changeset
|
3833 product(uintx, StringTableSize, defaultStringTableSize, \ |
| 2378 | 3834 "Number of buckets in the interned String table") \ |
| 3835 \ | |
|
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3836 experimental(uintx, SymbolTableSize, defaultSymbolTableSize, \ |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3837 "Number of buckets in the JVM internal Symbol table") \ |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
3838 \ |
| 17764 | 3839 product(bool, UseStringDeduplication, false, \ |
| 3840 "Use string deduplication") \ | |
| 3841 \ | |
| 3842 product(bool, PrintStringDeduplicationStatistics, false, \ | |
| 3843 "Print string deduplication statistics") \ | |
| 3844 \ | |
| 3845 product(uintx, StringDeduplicationAgeThreshold, 3, \ | |
| 3846 "A string must reach this age (or be promoted to an old region) " \ | |
| 3847 "to be considered for deduplication") \ | |
| 3848 \ | |
| 3849 diagnostic(bool, StringDeduplicationResizeALot, false, \ | |
| 3850 "Force table resize every time the table is scanned") \ | |
| 3851 \ | |
| 3852 diagnostic(bool, StringDeduplicationRehashALot, false, \ | |
| 3853 "Force table rehash every time the table is scanned") \ | |
| 3854 \ | |
| 6934 | 3855 develop(bool, TraceDefaultMethods, false, \ |
| 3856 "Trace the default method processing steps") \ | |
| 3857 \ | |
| 3858 develop(bool, VerifyGenericSignatures, false, \ | |
| 3859 "Abort VM on erroneous or inconsistent generic signatures") \ | |
| 3860 \ | |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3861 product(bool, UseVMInterruptibleIO, false, \ |
| 0 | 3862 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
|
12836
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8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3863 "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
|
3864 "value of this flag is true for JDK 6 and earlier") \ |
| 5915 | 3865 \ |
| 3866 diagnostic(bool, WhiteBoxAPI, false, \ | |
|
6064
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3867 "Enable internal testing APIs") \ |
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3868 \ |
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3869 product(bool, PrintGCCause, true, \ |
| 8702 | 3870 "Include GC cause in GC logging") \ |
| 3871 \ | |
|
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3872 product(bool , AllowNonVirtualCalls, false, \ |
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3873 "Obey the ACC_SUPER flag and allow invokenonvirtual calls") \ |
|
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3874 \ |
|
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3875 diagnostic(ccstr, SharedArchiveFile, NULL, \ |
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3876 "Override the default location of the CDS archive file") \ |
|
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3877 \ |
|
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3878 experimental(uintx, ArrayAllocatorMallocLimit, \ |
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3879 SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx), \ |
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3880 "Allocation less than this value will be allocated " \ |
| 10405 | 3881 "using malloc. Larger allocations will use mmap.") \ |
| 3882 \ | |
| 3883 product(bool, EnableTracing, false, \ | |
| 3884 "Enable event-based tracing") \ | |
|
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3885 \ |
| 10405 | 3886 product(bool, UseLockedTracing, false, \ |
| 3887 "Use locked-tracing when doing event-based tracing") | |
| 3888 | |
| 0 | 3889 /* |
| 3890 * Macros for factoring of globals | |
| 3891 */ | |
| 3892 | |
| 3893 // Interface macros | |
|
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3894 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
|
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3895 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; |
|
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3896 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; |
|
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3897 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
|
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3898 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
|
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3899 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3900 #ifdef PRODUCT |
|
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3901 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type CONST_##name; const type name = value; |
|
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3902 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type CONST_##name; const type name = pd_##name; |
|
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3903 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type CONST_##name; |
| 0 | 3904 #else |
|
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3905 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; |
|
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3906 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; |
|
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3907 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3908 #endif |
|
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3909 // Special LP64 flags, product only needed for now. |
|
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3910 #ifdef _LP64 |
|
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3911 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
|
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3912 #else |
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3913 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value; |
|
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3914 #endif // _LP64 |
| 0 | 3915 |
| 3916 // Implementation macros | |
|
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3917 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; |
|
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3918 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; |
|
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3919 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; |
|
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3920 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
|
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3921 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
|
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3922 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; |
| 0 | 3923 #ifdef PRODUCT |
|
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3924 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type CONST_##name = value; |
|
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|
3925 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type CONST_##name = pd_##name; |
|
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3926 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type CONST_##name = value; |
| 0 | 3927 #else |
|
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|
3928 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; |
|
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3929 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; |
|
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3930 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; |
| 0 | 3931 #endif |
|
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3932 #ifdef _LP64 |
|
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3933 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value; |
|
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3934 #else |
|
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3935 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ |
|
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3936 #endif // _LP64 |
| 0 | 3937 |
|
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3938 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 | 3939 |
| 3940 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) | |
| 1972 | 3941 |
|
6633
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|
3942 ARCH_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG) |
|
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|
3943 |
|
4107
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|
3944 // Extensions |
|
cd00eaeebef6
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|
3945 |
|
cd00eaeebef6
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|
3946 #include "runtime/globals_ext.hpp" |
|
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|
3947 |
| 1972 | 3948 #endif // SHARE_VM_RUNTIME_GLOBALS_HPP |