Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.hpp @ 993:54b3b351d6f9
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author | jrose |
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date | Wed, 23 Sep 2009 23:56:15 -0700 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 #if !defined(COMPILER1) && !defined(COMPILER2) | |
26 define_pd_global(bool, BackgroundCompilation, false); | |
27 define_pd_global(bool, UseTLAB, false); | |
28 define_pd_global(bool, CICompileOSR, false); | |
29 define_pd_global(bool, UseTypeProfile, false); | |
30 define_pd_global(bool, UseOnStackReplacement, false); | |
31 define_pd_global(bool, InlineIntrinsics, false); | |
32 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
33 define_pd_global(bool, ProfileInterpreter, false); | |
34 define_pd_global(bool, ProfileTraps, false); | |
35 define_pd_global(bool, TieredCompilation, false); | |
36 | |
37 define_pd_global(intx, CompileThreshold, 0); | |
38 define_pd_global(intx, Tier2CompileThreshold, 0); | |
39 define_pd_global(intx, Tier3CompileThreshold, 0); | |
40 define_pd_global(intx, Tier4CompileThreshold, 0); | |
41 | |
42 define_pd_global(intx, BackEdgeThreshold, 0); | |
43 define_pd_global(intx, Tier2BackEdgeThreshold, 0); | |
44 define_pd_global(intx, Tier3BackEdgeThreshold, 0); | |
45 define_pd_global(intx, Tier4BackEdgeThreshold, 0); | |
46 | |
47 define_pd_global(intx, OnStackReplacePercentage, 0); | |
48 define_pd_global(bool, ResizeTLAB, false); | |
49 define_pd_global(intx, FreqInlineSize, 0); | |
675 | 50 define_pd_global(intx, InlineSmallCode, 0); |
0 | 51 define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
52 define_pd_global(intx, NewRatio, 4); | |
53 define_pd_global(intx, InlineClassNatives, true); | |
54 define_pd_global(intx, InlineUnsafeOps, true); | |
55 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
56 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
57 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
58 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
59 define_pd_global(uintx,PermSize, ScaleForWordSize(4*M)); | |
60 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M)); | |
61 define_pd_global(bool, NeverActAsServerClassMachine, true); | |
62 define_pd_global(uintx, DefaultMaxRAM, 1*G); | |
63 #define CI_COMPILER_COUNT 0 | |
64 #else | |
65 | |
66 #ifdef COMPILER2 | |
67 #define CI_COMPILER_COUNT 2 | |
68 #else | |
69 #define CI_COMPILER_COUNT 1 | |
70 #endif // COMPILER2 | |
71 | |
72 #endif // no compilers | |
73 | |
74 | |
75 // string type aliases used only in this file | |
76 typedef const char* ccstr; | |
77 typedef const char* ccstrlist; // represents string arguments which accumulate | |
78 | |
79 enum FlagValueOrigin { | |
80 DEFAULT = 0, | |
81 COMMAND_LINE = 1, | |
82 ENVIRON_VAR = 2, | |
83 CONFIG_FILE = 3, | |
84 MANAGEMENT = 4, | |
85 ERGONOMIC = 5, | |
86 ATTACH_ON_DEMAND = 6, | |
87 INTERNAL = 99 | |
88 }; | |
89 | |
90 struct Flag { | |
91 const char *type; | |
92 const char *name; | |
93 void* addr; | |
94 const char *kind; | |
95 FlagValueOrigin origin; | |
96 | |
97 // points to all Flags static array | |
98 static Flag *flags; | |
99 | |
100 // number of flags | |
101 static size_t numFlags; | |
102 | |
103 static Flag* find_flag(char* name, size_t length); | |
104 | |
105 bool is_bool() const { return strcmp(type, "bool") == 0; } | |
106 bool get_bool() const { return *((bool*) addr); } | |
107 void set_bool(bool value) { *((bool*) addr) = value; } | |
108 | |
109 bool is_intx() const { return strcmp(type, "intx") == 0; } | |
110 intx get_intx() const { return *((intx*) addr); } | |
111 void set_intx(intx value) { *((intx*) addr) = value; } | |
112 | |
113 bool is_uintx() const { return strcmp(type, "uintx") == 0; } | |
114 uintx get_uintx() const { return *((uintx*) addr); } | |
115 void set_uintx(uintx value) { *((uintx*) addr) = value; } | |
116 | |
117 bool is_double() const { return strcmp(type, "double") == 0; } | |
118 double get_double() const { return *((double*) addr); } | |
119 void set_double(double value) { *((double*) addr) = value; } | |
120 | |
121 bool is_ccstr() const { return strcmp(type, "ccstr") == 0 || strcmp(type, "ccstrlist") == 0; } | |
122 bool ccstr_accumulates() const { return strcmp(type, "ccstrlist") == 0; } | |
123 ccstr get_ccstr() const { return *((ccstr*) addr); } | |
124 void set_ccstr(ccstr value) { *((ccstr*) addr) = value; } | |
125 | |
126 bool is_unlocker() const; | |
127 bool is_unlocked() const; | |
128 bool is_writeable() const; | |
129 bool is_external() const; | |
130 | |
131 void print_on(outputStream* st); | |
132 void print_as_flag(outputStream* st); | |
133 }; | |
134 | |
135 // debug flags control various aspects of the VM and are global accessible | |
136 | |
137 // use FlagSetting to temporarily change some debug flag | |
138 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
139 // restored to previous value upon leaving scope | |
140 class FlagSetting { | |
141 bool val; | |
142 bool* flag; | |
143 public: | |
144 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
145 ~FlagSetting() { *flag = val; } | |
146 }; | |
147 | |
148 | |
149 class CounterSetting { | |
150 intx* counter; | |
151 public: | |
152 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
153 ~CounterSetting() { (*counter)--; } | |
154 }; | |
155 | |
156 | |
157 class IntFlagSetting { | |
158 intx val; | |
159 intx* flag; | |
160 public: | |
161 IntFlagSetting(intx& fl, intx newValue) { flag = &fl; val = fl; fl = newValue; } | |
162 ~IntFlagSetting() { *flag = val; } | |
163 }; | |
164 | |
165 | |
166 class DoubleFlagSetting { | |
167 double val; | |
168 double* flag; | |
169 public: | |
170 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
171 ~DoubleFlagSetting() { *flag = val; } | |
172 }; | |
173 | |
174 | |
175 class CommandLineFlags { | |
176 public: | |
177 static bool boolAt(char* name, size_t len, bool* value); | |
178 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
179 static bool boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin); | |
180 static bool boolAtPut(char* name, bool* value, FlagValueOrigin origin) { return boolAtPut(name, strlen(name), value, origin); } | |
181 | |
182 static bool intxAt(char* name, size_t len, intx* value); | |
183 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
184 static bool intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin); | |
185 static bool intxAtPut(char* name, intx* value, FlagValueOrigin origin) { return intxAtPut(name, strlen(name), value, origin); } | |
186 | |
187 static bool uintxAt(char* name, size_t len, uintx* value); | |
188 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
189 static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin); | |
190 static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); } | |
191 | |
192 static bool doubleAt(char* name, size_t len, double* value); | |
193 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
194 static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin); | |
195 static bool doubleAtPut(char* name, double* value, FlagValueOrigin origin) { return doubleAtPut(name, strlen(name), value, origin); } | |
196 | |
197 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
198 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
199 static bool ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin); | |
200 static bool ccstrAtPut(char* name, ccstr* value, FlagValueOrigin origin) { return ccstrAtPut(name, strlen(name), value, origin); } | |
201 | |
202 // Returns false if name is not a command line flag. | |
203 static bool wasSetOnCmdline(const char* name, bool* value); | |
204 static void printSetFlags(); | |
205 | |
206 static void printFlags() PRODUCT_RETURN; | |
207 | |
208 static void verify() PRODUCT_RETURN; | |
209 }; | |
210 | |
211 // use this for flags that are true by default in the debug version but | |
212 // false in the optimized version, and vice versa | |
213 #ifdef ASSERT | |
214 #define trueInDebug true | |
215 #define falseInDebug false | |
216 #else | |
217 #define trueInDebug false | |
218 #define falseInDebug true | |
219 #endif | |
220 | |
221 // use this for flags that are true per default in the product build | |
222 // but false in development builds, and vice versa | |
223 #ifdef PRODUCT | |
224 #define trueInProduct true | |
225 #define falseInProduct false | |
226 #else | |
227 #define trueInProduct false | |
228 #define falseInProduct true | |
229 #endif | |
230 | |
231 // use this for flags that are true per default in the tiered build | |
232 // but false in non-tiered builds, and vice versa | |
233 #ifdef TIERED | |
234 #define trueInTiered true | |
235 #define falseInTiered false | |
236 #else | |
237 #define trueInTiered false | |
238 #define falseInTiered true | |
239 #endif | |
240 | |
241 // develop flags are settable / visible only during development and are constant in the PRODUCT version | |
242 // product flags are always settable / visible | |
243 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
244 | |
245 // A flag must be declared with one of the following types: | |
246 // bool, intx, uintx, ccstr. | |
247 // The type "ccstr" is an alias for "const char*" and is used | |
248 // only in this file, because the macrology requires single-token type names. | |
249 | |
250 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
251 // They are to be used for VM quality assurance or field diagnosis | |
252 // of VM bugs. They are hidden so that users will not be encouraged to | |
253 // try them as if they were VM ordinary execution options. However, they | |
254 // are available in the product version of the VM. Under instruction | |
255 // from support engineers, VM customers can turn them on to collect | |
256 // diagnostic information about VM problems. To use a VM diagnostic | |
257 // option, you must first specify +UnlockDiagnosticVMOptions. | |
258 // (This master switch also affects the behavior of -Xprintflags.) | |
350
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259 // |
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260 // experimental flags are in support of features that are not |
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261 // part of the officially supported product, but are available |
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262 // for experimenting with. They could, for example, be performance |
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263 // features that may not have undergone full or rigorous QA, but which may |
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264 // help performance in some cases and released for experimentation |
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265 // by the community of users and developers. This flag also allows one to |
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266 // be able to build a fully supported product that nonetheless also |
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267 // ships with some unsupported, lightly tested, experimental features. |
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268 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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269 // UnlockExperimentalVMOptions flag, which allows the control and |
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270 // modification of the experimental flags. |
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271 // |
0 | 272 // manageable flags are writeable external product flags. |
273 // They are dynamically writeable through the JDK management interface | |
274 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
275 // These flags are external exported interface (see CCC). The list of | |
276 // manageable flags can be queried programmatically through the management | |
277 // interface. | |
278 // | |
279 // A flag can be made as "manageable" only if | |
280 // - the flag is defined in a CCC as an external exported interface. | |
281 // - the VM implementation supports dynamic setting of the flag. | |
282 // This implies that the VM must *always* query the flag variable | |
283 // and not reuse state related to the flag state at any given time. | |
284 // - you want the flag to be queried programmatically by the customers. | |
285 // | |
286 // product_rw flags are writeable internal product flags. | |
287 // They are like "manageable" flags but for internal/private use. | |
288 // The list of product_rw flags are internal/private flags which | |
289 // may be changed/removed in a future release. It can be set | |
290 // through the management interface to get/set value | |
291 // when the name of flag is supplied. | |
292 // | |
293 // A flag can be made as "product_rw" only if | |
294 // - the VM implementation supports dynamic setting of the flag. | |
295 // This implies that the VM must *always* query the flag variable | |
296 // and not reuse state related to the flag state at any given time. | |
297 // | |
298 // Note that when there is a need to support develop flags to be writeable, | |
299 // it can be done in the same way as product_rw. | |
300 | |
350
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301 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
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302 \ |
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303 lp64_product(bool, UseCompressedOops, false, \ |
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304 "Use 32-bit object references in 64-bit VM. " \ |
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305 "lp64_product means flag is always constant in 32 bit VM") \ |
0 | 306 \ |
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307 notproduct(bool, CheckCompressedOops, true, \ |
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308 "generate checks in encoding/decoding code in debug VM") \ |
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309 \ |
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310 product_pd(uintx, HeapBaseMinAddress, \ |
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311 "OS specific low limit for heap base address") \ |
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312 \ |
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313 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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314 "Print compressed oops base address and encoding mode") \ |
325
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315 \ |
0 | 316 /* UseMembar is theoretically a temp flag used for memory barrier \ |
317 * removal testing. It was supposed to be removed before FCS but has \ | |
318 * been re-added (see 6401008) */ \ | |
319 product(bool, UseMembar, false, \ | |
320 "(Unstable) Issues membars on thread state transitions") \ | |
321 \ | |
322 product(bool, PrintCommandLineFlags, false, \ | |
323 "Prints flags that appeared on the command line") \ | |
324 \ | |
325 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ | |
350
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326 "Enable normal processing of flags relating to field diagnostics")\ |
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327 \ |
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328 experimental(bool, UnlockExperimentalVMOptions, false, \ |
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329 "Enable normal processing of flags relating to experimental features")\ |
0 | 330 \ |
331 product(bool, JavaMonitorsInStackTrace, true, \ | |
332 "Print info. about Java monitor locks when the stacks are dumped")\ | |
333 \ | |
334 product_pd(bool, UseLargePages, \ | |
335 "Use large page memory") \ | |
336 \ | |
389
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337 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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338 "Allocate large pages individually for better affinity") \ |
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339 \ |
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340 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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341 "Fail large pages individual allocation") \ |
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342 \ |
0 | 343 develop(bool, TracePageSizes, false, \ |
344 "Trace page size selection and usage.") \ | |
345 \ | |
346 product(bool, UseNUMA, false, \ | |
347 "Use NUMA if available") \ | |
348 \ | |
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349 product(bool, ForceNUMA, false, \ |
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350 "Force NUMA optimizations on single-node/UMA systems") \ |
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351 \ |
0 | 352 product(intx, NUMAChunkResizeWeight, 20, \ |
353 "Percentage (0-100) used to weight the current sample when " \ | |
354 "computing exponentially decaying average for " \ | |
355 "AdaptiveNUMAChunkSizing") \ | |
356 \ | |
357 product(intx, NUMASpaceResizeRate, 1*G, \ | |
358 "Do not reallocate more that this amount per collection") \ | |
359 \ | |
360 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
361 "Enable adaptive chunk sizing for NUMA") \ | |
362 \ | |
363 product(bool, NUMAStats, false, \ | |
364 "Print NUMA stats in detailed heap information") \ | |
365 \ | |
366 product(intx, NUMAPageScanRate, 256, \ | |
367 "Maximum number of pages to include in the page scan procedure") \ | |
368 \ | |
369 product_pd(bool, NeedsDeoptSuspend, \ | |
370 "True for register window machines (sparc/ia64)") \ | |
371 \ | |
372 product(intx, UseSSE, 99, \ | |
373 "Highest supported SSE instructions set on x86/x64") \ | |
374 \ | |
375 product(uintx, LargePageSizeInBytes, 0, \ | |
376 "Large page size (0 to let VM choose the page size") \ | |
377 \ | |
378 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
379 "Use large pages if max heap is at least this big") \ | |
380 \ | |
381 product(bool, ForceTimeHighResolution, false, \ | |
382 "Using high time resolution(For Win32 only)") \ | |
383 \ | |
384 develop(bool, TraceItables, false, \ | |
385 "Trace initialization and use of itables") \ | |
386 \ | |
387 develop(bool, TracePcPatching, false, \ | |
388 "Trace usage of frame::patch_pc") \ | |
389 \ | |
390 develop(bool, TraceJumps, false, \ | |
391 "Trace assembly jumps in thread ring buffer") \ | |
392 \ | |
393 develop(bool, TraceRelocator, false, \ | |
394 "Trace the bytecode relocator") \ | |
395 \ | |
396 develop(bool, TraceLongCompiles, false, \ | |
397 "Print out every time compilation is longer than " \ | |
398 "a given threashold") \ | |
399 \ | |
400 develop(bool, SafepointALot, false, \ | |
401 "Generates a lot of safepoints. Works with " \ | |
402 "GuaranteedSafepointInterval") \ | |
403 \ | |
404 product_pd(bool, BackgroundCompilation, \ | |
405 "A thread requesting compilation is not blocked during " \ | |
406 "compilation") \ | |
407 \ | |
408 product(bool, PrintVMQWaitTime, false, \ | |
409 "Prints out the waiting time in VM operation queue") \ | |
410 \ | |
411 develop(bool, BailoutToInterpreterForThrows, false, \ | |
412 "Compiled methods which throws/catches exceptions will be " \ | |
413 "deopt and intp.") \ | |
414 \ | |
415 develop(bool, NoYieldsInMicrolock, false, \ | |
416 "Disable yields in microlock") \ | |
417 \ | |
418 develop(bool, TraceOopMapGeneration, false, \ | |
419 "Shows oopmap generation") \ | |
420 \ | |
421 product(bool, MethodFlushing, true, \ | |
422 "Reclamation of zombie and not-entrant methods") \ | |
423 \ | |
424 develop(bool, VerifyStack, false, \ | |
425 "Verify stack of each thread when it is entering a runtime call") \ | |
426 \ | |
427 develop(bool, ForceUnreachable, false, \ | |
428 "(amd64) Make all non code cache addresses to be unreachable with rip-rel forcing use of 64bit literal fixups") \ | |
429 \ | |
430 notproduct(bool, StressDerivedPointers, false, \ | |
431 "Force scavenge when a derived pointers is detected on stack " \ | |
432 "after rtm call") \ | |
433 \ | |
434 develop(bool, TraceDerivedPointers, false, \ | |
435 "Trace traversal of derived pointers on stack") \ | |
436 \ | |
437 notproduct(bool, TraceCodeBlobStacks, false, \ | |
438 "Trace stack-walk of codeblobs") \ | |
439 \ | |
440 product(bool, PrintJNIResolving, false, \ | |
441 "Used to implement -v:jni") \ | |
442 \ | |
443 notproduct(bool, PrintRewrites, false, \ | |
444 "Print methods that are being rewritten") \ | |
445 \ | |
446 product(bool, UseInlineCaches, true, \ | |
447 "Use Inline Caches for virtual calls ") \ | |
448 \ | |
449 develop(bool, InlineArrayCopy, true, \ | |
450 "inline arraycopy native that is known to be part of " \ | |
451 "base library DLL") \ | |
452 \ | |
453 develop(bool, InlineObjectHash, true, \ | |
454 "inline Object::hashCode() native that is known to be part " \ | |
455 "of base library DLL") \ | |
456 \ | |
457 develop(bool, InlineObjectCopy, true, \ | |
458 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ | |
459 \ | |
460 develop(bool, InlineNatives, true, \ | |
461 "inline natives that are known to be part of base library DLL") \ | |
462 \ | |
463 develop(bool, InlineMathNatives, true, \ | |
464 "inline SinD, CosD, etc.") \ | |
465 \ | |
466 develop(bool, InlineClassNatives, true, \ | |
467 "inline Class.isInstance, etc") \ | |
468 \ | |
469 develop(bool, InlineAtomicLong, true, \ | |
470 "inline sun.misc.AtomicLong") \ | |
471 \ | |
472 develop(bool, InlineThreadNatives, true, \ | |
473 "inline Thread.currentThread, etc") \ | |
474 \ | |
475 develop(bool, InlineReflectionGetCallerClass, true, \ | |
476 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ | |
477 "of base library DLL") \ | |
478 \ | |
479 develop(bool, InlineUnsafeOps, true, \ | |
480 "inline memory ops (native methods) from sun.misc.Unsafe") \ | |
481 \ | |
482 develop(bool, ConvertCmpD2CmpF, true, \ | |
483 "Convert cmpD to cmpF when one input is constant in float range") \ | |
484 \ | |
485 develop(bool, ConvertFloat2IntClipping, true, \ | |
486 "Convert float2int clipping idiom to integer clipping") \ | |
487 \ | |
488 develop(bool, SpecialStringCompareTo, true, \ | |
489 "special version of string compareTo") \ | |
490 \ | |
491 develop(bool, SpecialStringIndexOf, true, \ | |
492 "special version of string indexOf") \ | |
493 \ | |
681 | 494 develop(bool, SpecialStringEquals, true, \ |
495 "special version of string equals") \ | |
496 \ | |
497 develop(bool, SpecialArraysEquals, true, \ | |
169
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498 "special version of Arrays.equals(char[],char[])") \ |
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499 \ |
681 | 500 product(bool, UseSSE42Intrinsics, false, \ |
501 "SSE4.2 versions of intrinsics") \ | |
502 \ | |
0 | 503 develop(bool, TraceCallFixup, false, \ |
504 "traces all call fixups") \ | |
505 \ | |
506 develop(bool, DeoptimizeALot, false, \ | |
507 "deoptimize at every exit from the runtime system") \ | |
508 \ | |
434 | 509 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
0 | 510 "a comma separated list of bcis to deoptimize at") \ |
511 \ | |
512 product(bool, DeoptimizeRandom, false, \ | |
513 "deoptimize random frames on random exit from the runtime system")\ | |
514 \ | |
515 notproduct(bool, ZombieALot, false, \ | |
516 "creates zombies (non-entrant) at exit from the runt. system") \ | |
517 \ | |
518 notproduct(bool, WalkStackALot, false, \ | |
519 "trace stack (no print) at every exit from the runtime system") \ | |
520 \ | |
521 develop(bool, Debugging, false, \ | |
522 "set when executing debug methods in debug.ccp " \ | |
523 "(to prevent triggering assertions)") \ | |
524 \ | |
525 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
526 "Enable strict checks that safepoints cannot happen for threads " \ | |
527 "that used No_Safepoint_Verifier") \ | |
528 \ | |
529 notproduct(bool, VerifyLastFrame, false, \ | |
530 "Verify oops on last frame on entry to VM") \ | |
531 \ | |
532 develop(bool, TraceHandleAllocation, false, \ | |
533 "Prints out warnings when suspicious many handles are allocated") \ | |
534 \ | |
535 product(bool, UseCompilerSafepoints, true, \ | |
536 "Stop at safepoints in compiled code") \ | |
537 \ | |
538 product(bool, UseSplitVerifier, true, \ | |
539 "use split verifier with StackMapTable attributes") \ | |
540 \ | |
541 product(bool, FailOverToOldVerifier, true, \ | |
542 "fail over to old verifier when split verifier fails") \ | |
543 \ | |
544 develop(bool, ShowSafepointMsgs, false, \ | |
545 "Show msg. about safepoint synch.") \ | |
546 \ | |
547 product(bool, SafepointTimeout, false, \ | |
548 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
549 "milliseconds if failed to reach safepoint") \ | |
550 \ | |
551 develop(bool, DieOnSafepointTimeout, false, \ | |
552 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
553 \ | |
554 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
555 /* typically, at most a few retries are needed */ \ | |
556 product(intx, SuspendRetryCount, 50, \ | |
557 "Maximum retry count for an external suspend request") \ | |
558 \ | |
559 product(intx, SuspendRetryDelay, 5, \ | |
560 "Milliseconds to delay per retry (* current_retry_count)") \ | |
561 \ | |
562 product(bool, AssertOnSuspendWaitFailure, false, \ | |
563 "Assert/Guarantee on external suspend wait failure") \ | |
564 \ | |
565 product(bool, TraceSuspendWaitFailures, false, \ | |
566 "Trace external suspend wait failures") \ | |
567 \ | |
568 product(bool, MaxFDLimit, true, \ | |
569 "Bump the number of file descriptors to max in solaris.") \ | |
570 \ | |
571 notproduct(bool, LogEvents, trueInDebug, \ | |
572 "Enable Event log") \ | |
573 \ | |
574 product(bool, BytecodeVerificationRemote, true, \ | |
575 "Enables the Java bytecode verifier for remote classes") \ | |
576 \ | |
577 product(bool, BytecodeVerificationLocal, false, \ | |
578 "Enables the Java bytecode verifier for local classes") \ | |
579 \ | |
580 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
581 "Force exceptions on FP stack under/overflow") \ | |
582 \ | |
583 develop(bool, SoftMatchFailure, trueInProduct, \ | |
584 "If the DFA fails to match a node, print a message and bail out") \ | |
585 \ | |
586 develop(bool, VerifyStackAtCalls, false, \ | |
587 "Verify that the stack pointer is unchanged after calls") \ | |
588 \ | |
589 develop(bool, TraceJavaAssertions, false, \ | |
590 "Trace java language assertions") \ | |
591 \ | |
592 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
593 "temporary - see javaClasses.cpp") \ | |
594 \ | |
595 notproduct(bool, PrintMallocFree, false, \ | |
596 "Trace calls to C heap malloc/free allocation") \ | |
597 \ | |
598 notproduct(bool, PrintOopAddress, false, \ | |
599 "Always print the location of the oop") \ | |
600 \ | |
601 notproduct(bool, VerifyCodeCacheOften, false, \ | |
602 "Verify compiled-code cache often") \ | |
603 \ | |
604 develop(bool, ZapDeadCompiledLocals, false, \ | |
605 "Zap dead locals in compiler frames") \ | |
606 \ | |
607 notproduct(bool, ZapDeadLocalsOld, false, \ | |
608 "Zap dead locals (old version, zaps all frames when " \ | |
609 "entering the VM") \ | |
610 \ | |
611 notproduct(bool, CheckOopishValues, false, \ | |
612 "Warn if value contains oop ( requires ZapDeadLocals)") \ | |
613 \ | |
614 develop(bool, UseMallocOnly, false, \ | |
615 "use only malloc/free for allocation (no resource area/arena)") \ | |
616 \ | |
617 develop(bool, PrintMalloc, false, \ | |
618 "print all malloc/free calls") \ | |
619 \ | |
620 develop(bool, ZapResourceArea, trueInDebug, \ | |
621 "Zap freed resource/arena space with 0xABABABAB") \ | |
622 \ | |
623 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
624 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
625 \ | |
626 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
627 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
628 \ | |
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629 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
0 | 630 "Zap unused heap space with 0xBAADBABE") \ |
631 \ | |
263
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632 develop(bool, TraceZapUnusedHeapArea, false, \ |
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633 "Trace zapping of unused heap space") \ |
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634 \ |
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635 develop(bool, CheckZapUnusedHeapArea, false, \ |
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636 "Check zapping of unused heap space") \ |
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637 \ |
481
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638 develop(bool, ZapFillerObjects, trueInDebug, \ |
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639 "Zap filler objects with 0xDEAFBABE") \ |
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640 \ |
0 | 641 develop(bool, PrintVMMessages, true, \ |
642 "Print vm messages on console") \ | |
643 \ | |
644 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
645 "Print the time the application has been running") \ | |
646 \ | |
647 product(bool, PrintGCApplicationStoppedTime, false, \ | |
648 "Print the time the application has been stopped") \ | |
649 \ | |
650 develop(bool, Verbose, false, \ | |
651 "Prints additional debugging information from other modes") \ | |
652 \ | |
653 develop(bool, PrintMiscellaneous, false, \ | |
654 "Prints uncategorized debugging information (requires +Verbose)") \ | |
655 \ | |
656 develop(bool, WizardMode, false, \ | |
657 "Prints much more debugging information") \ | |
658 \ | |
659 product(bool, ShowMessageBoxOnError, false, \ | |
660 "Keep process alive on VM fatal error") \ | |
661 \ | |
662 product_pd(bool, UseOSErrorReporting, \ | |
663 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
664 \ | |
665 product(bool, SuppressFatalErrorMessage, false, \ | |
666 "Do NO Fatal Error report [Avoid deadlock]") \ | |
667 \ | |
668 product(ccstrlist, OnError, "", \ | |
669 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
670 "for examples") \ | |
671 \ | |
672 product(ccstrlist, OnOutOfMemoryError, "", \ | |
673 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
674 \ | |
615
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675 manageable(bool, HeapDumpBeforeFullGC, false, \ |
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676 "Dump heap to file before any major stop-world GC") \ |
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677 \ |
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678 manageable(bool, HeapDumpAfterFullGC, false, \ |
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679 "Dump heap to file after any major stop-world GC") \ |
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680 \ |
0 | 681 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
682 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
683 \ | |
684 manageable(ccstr, HeapDumpPath, NULL, \ | |
685 "When HeapDumpOnOutOfMemoryError is on, the path (filename or" \ | |
686 "directory) of the dump file (defaults to java_pid<pid>.hprof" \ | |
687 "in the working directory)") \ | |
688 \ | |
689 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
690 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
691 "when the heap usage is larger than this") \ | |
692 \ | |
693 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
694 "Approximate segment size when generating a segmented heap dump") \ | |
695 \ | |
696 develop(bool, BreakAtWarning, false, \ | |
697 "Execute breakpoint upon encountering VM warning") \ | |
698 \ | |
699 product_pd(bool, UseVectoredExceptions, \ | |
700 "Temp Flag - Use Vectored Exceptions rather than SEH (Windows Only)") \ | |
701 \ | |
702 develop(bool, TraceVMOperation, false, \ | |
703 "Trace vm operations") \ | |
704 \ | |
705 develop(bool, UseFakeTimers, false, \ | |
706 "Tells whether the VM should use system time or a fake timer") \ | |
707 \ | |
708 diagnostic(bool, LogCompilation, false, \ | |
709 "Log compilation activity in detail to hotspot.log or LogFile") \ | |
710 \ | |
711 product(bool, PrintCompilation, false, \ | |
712 "Print compilations") \ | |
713 \ | |
714 diagnostic(bool, TraceNMethodInstalls, false, \ | |
715 "Trace nmethod intallation") \ | |
716 \ | |
989
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717 diagnostic(intx, ScavengeRootsInCode, 0, \ |
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718 "0: do not allow scavengable oops in the code cache; " \ |
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719 "1: allow scavenging from the code cache; " \ |
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720 "2: emit as many constants as the compiler can see") \ |
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721 \ |
0 | 722 diagnostic(bool, TraceOSRBreakpoint, false, \ |
723 "Trace OSR Breakpoint ") \ | |
724 \ | |
725 diagnostic(bool, TraceCompileTriggered, false, \ | |
726 "Trace compile triggered") \ | |
727 \ | |
728 diagnostic(bool, TraceTriggers, false, \ | |
729 "Trace triggers") \ | |
730 \ | |
731 product(bool, AlwaysRestoreFPU, false, \ | |
732 "Restore the FPU control word after every JNI call (expensive)") \ | |
733 \ | |
734 notproduct(bool, PrintCompilation2, false, \ | |
735 "Print additional statistics per compilation") \ | |
736 \ | |
100
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737 diagnostic(bool, PrintAdapterHandlers, false, \ |
0 | 738 "Print code generated for i2c/c2i adapters") \ |
739 \ | |
100
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740 diagnostic(bool, PrintAssembly, false, \ |
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741 "Print assembly code (using external disassembler.so)") \ |
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742 \ |
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743 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
100
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744 "Options string passed to disassembler.so") \ |
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745 \ |
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746 diagnostic(bool, PrintNMethods, false, \ |
0 | 747 "Print assembly code for nmethods when generated") \ |
748 \ | |
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749 diagnostic(bool, PrintNativeNMethods, false, \ |
0 | 750 "Print assembly code for native nmethods when generated") \ |
751 \ | |
752 develop(bool, PrintDebugInfo, false, \ | |
753 "Print debug information for all nmethods when generated") \ | |
754 \ | |
755 develop(bool, PrintRelocations, false, \ | |
756 "Print relocation information for all nmethods when generated") \ | |
757 \ | |
758 develop(bool, PrintDependencies, false, \ | |
759 "Print dependency information for all nmethods when generated") \ | |
760 \ | |
761 develop(bool, PrintExceptionHandlers, false, \ | |
762 "Print exception handler tables for all nmethods when generated") \ | |
763 \ | |
764 develop(bool, InterceptOSException, false, \ | |
765 "Starts debugger when an implicit OS (e.g., NULL) " \ | |
766 "exception happens") \ | |
767 \ | |
768 notproduct(bool, PrintCodeCache, false, \ | |
769 "Print the compiled_code cache when exiting") \ | |
770 \ | |
771 develop(bool, PrintCodeCache2, false, \ | |
772 "Print detailed info on the compiled_code cache when exiting") \ | |
773 \ | |
100
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774 diagnostic(bool, PrintStubCode, false, \ |
0 | 775 "Print generated stub code") \ |
776 \ | |
777 product(bool, StackTraceInThrowable, true, \ | |
778 "Collect backtrace in throwable when exception happens") \ | |
779 \ | |
780 product(bool, OmitStackTraceInFastThrow, true, \ | |
781 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
782 \ | |
783 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
784 "Prints byte code statictics when dumping profiler output") \ | |
785 \ | |
786 product(bool, ProfilerRecordPC, false, \ | |
787 "Collects tick for each 16 byte interval of compiled code") \ | |
788 \ | |
789 product(bool, ProfileVM, false, \ | |
790 "Profiles ticks that fall within VM (either in the VM Thread " \ | |
791 "or VM code called through stubs)") \ | |
792 \ | |
793 product(bool, ProfileIntervals, false, \ | |
794 "Prints profiles for each interval (see ProfileIntervalsTicks)") \ | |
795 \ | |
796 notproduct(bool, ProfilerCheckIntervals, false, \ | |
797 "Collect and print info on spacing of profiler ticks") \ | |
798 \ | |
799 develop(bool, PrintJVMWarnings, false, \ | |
800 "Prints warnings for unimplemented JVM functions") \ | |
801 \ | |
802 notproduct(uintx, WarnOnStalledSpinLock, 0, \ | |
803 "Prints warnings for stalled SpinLocks") \ | |
804 \ | |
805 develop(bool, InitializeJavaLangSystem, true, \ | |
806 "Initialize java.lang.System - turn off for individual " \ | |
807 "method debugging") \ | |
808 \ | |
809 develop(bool, InitializeJavaLangString, true, \ | |
810 "Initialize java.lang.String - turn off for individual " \ | |
811 "method debugging") \ | |
812 \ | |
813 develop(bool, InitializeJavaLangExceptionsErrors, true, \ | |
814 "Initialize various error and exception classes - turn off for " \ | |
815 "individual method debugging") \ | |
816 \ | |
817 product(bool, RegisterFinalizersAtInit, true, \ | |
818 "Register finalizable objects at end of Object.<init> or " \ | |
819 "after allocation.") \ | |
820 \ | |
821 develop(bool, RegisterReferences, true, \ | |
822 "Tells whether the VM should register soft/weak/final/phantom " \ | |
823 "references") \ | |
824 \ | |
825 develop(bool, IgnoreRewrites, false, \ | |
826 "Supress rewrites of bytecodes in the oopmap generator. " \ | |
827 "This is unsafe!") \ | |
828 \ | |
829 develop(bool, PrintCodeCacheExtension, false, \ | |
830 "Print extension of code cache") \ | |
831 \ | |
832 develop(bool, UsePrivilegedStack, true, \ | |
833 "Enable the security JVM functions") \ | |
834 \ | |
835 develop(bool, IEEEPrecision, true, \ | |
836 "Enables IEEE precision (for INTEL only)") \ | |
837 \ | |
838 develop(bool, ProtectionDomainVerification, true, \ | |
839 "Verifies protection domain before resolution in system " \ | |
840 "dictionary") \ | |
841 \ | |
842 product(bool, ClassUnloading, true, \ | |
843 "Do unloading of classes") \ | |
844 \ | |
474
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845 diagnostic(bool, LinkWellKnownClasses, false, \ |
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846 "Resolve a well known class as soon as its name is seen") \ |
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847 \ |
0 | 848 develop(bool, DisableStartThread, false, \ |
849 "Disable starting of additional Java threads " \ | |
850 "(for debugging only)") \ | |
851 \ | |
852 develop(bool, MemProfiling, false, \ | |
853 "Write memory usage profiling to log file") \ | |
854 \ | |
855 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
856 "Prints the system dictionary at exit") \ | |
857 \ | |
858 diagnostic(bool, UnsyncloadClass, false, \ | |
514 | 859 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
860 "class loader must call VM synchronized for findClass " \ | |
861 "and defineClass.") \ | |
862 \ | |
863 product(bool, AlwaysLockClassLoader, false, \ | |
864 "Require the VM to acquire the class loader lock before calling " \ | |
865 "loadClass() even for class loaders registering " \ | |
866 "as parallel capable. Default false. ") \ | |
867 \ | |
868 product(bool, AllowParallelDefineClass, false, \ | |
869 "Allow parallel defineClass requests for class loaders " \ | |
870 "registering as parallel capable. Default false") \ | |
871 \ | |
872 product(bool, MustCallLoadClassInternal, false, \ | |
873 "Call loadClassInternal() rather than loadClass().Default false") \ | |
0 | 874 \ |
875 product_pd(bool, DontYieldALot, \ | |
876 "Throw away obvious excess yield calls (for SOLARIS only)") \ | |
877 \ | |
878 product_pd(bool, ConvertSleepToYield, \ | |
879 "Converts sleep(0) to thread yield " \ | |
880 "(may be off for SOLARIS to improve GUI)") \ | |
881 \ | |
882 product(bool, ConvertYieldToSleep, false, \ | |
883 "Converts yield to a sleep of MinSleepInterval to simulate Win32 "\ | |
884 "behavior (SOLARIS only)") \ | |
885 \ | |
886 product(bool, UseBoundThreads, true, \ | |
887 "Bind user level threads to kernel threads (for SOLARIS only)") \ | |
888 \ | |
889 develop(bool, UseDetachedThreads, true, \ | |
890 "Use detached threads that are recycled upon termination " \ | |
891 "(for SOLARIS only)") \ | |
892 \ | |
893 product(bool, UseLWPSynchronization, true, \ | |
894 "Use LWP-based instead of libthread-based synchronization " \ | |
895 "(SPARC only)") \ | |
896 \ | |
370
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897 product(ccstr, SyncKnobs, NULL, \ |
0 | 898 "(Unstable) Various monitor synchronization tunables") \ |
899 \ | |
900 product(intx, EmitSync, 0, \ | |
901 "(Unsafe,Unstable) " \ | |
902 " Controls emission of inline sync fast-path code") \ | |
903 \ | |
904 product(intx, AlwaysInflate, 0, "(Unstable) Force inflation") \ | |
905 \ | |
906 product(intx, Atomics, 0, \ | |
907 "(Unsafe,Unstable) Diagnostic - Controls emission of atomics") \ | |
908 \ | |
909 product(intx, FenceInstruction, 0, \ | |
910 "(Unsafe,Unstable) Experimental") \ | |
911 \ | |
912 product(intx, SyncFlags, 0, "(Unsafe,Unstable) Experimental Sync flags" ) \ | |
913 \ | |
914 product(intx, SyncVerbose, 0, "(Unstable)" ) \ | |
915 \ | |
916 product(intx, ClearFPUAtPark, 0, "(Unsafe,Unstable)" ) \ | |
917 \ | |
918 product(intx, hashCode, 0, \ | |
919 "(Unstable) select hashCode generation algorithm" ) \ | |
920 \ | |
921 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
922 "(Unstable, Linux-specific)" \ | |
923 " avoid NPTL-FUTEX hang pthread_cond_timedwait" ) \ | |
924 \ | |
925 product(bool, FilterSpuriousWakeups , true, \ | |
926 "Prevent spurious or premature wakeups from object.wait" \ | |
927 "(Solaris only)") \ | |
928 \ | |
929 product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \ | |
930 product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \ | |
931 product(intx, NativeMonitorSpinLimit, 20, "(Unstable)" ) \ | |
932 \ | |
933 develop(bool, UsePthreads, false, \ | |
934 "Use pthread-based instead of libthread-based synchronization " \ | |
935 "(SPARC only)") \ | |
936 \ | |
937 product(bool, AdjustConcurrency, false, \ | |
938 "call thr_setconcurrency at thread create time to avoid " \ | |
939 "LWP starvation on MP systems (For Solaris Only)") \ | |
940 \ | |
941 develop(bool, UpdateHotSpotCompilerFileOnError, true, \ | |
942 "Should the system attempt to update the compiler file when " \ | |
943 "an error occurs?") \ | |
944 \ | |
945 product(bool, ReduceSignalUsage, false, \ | |
946 "Reduce the use of OS signals in Java and/or the VM") \ | |
947 \ | |
948 notproduct(bool, ValidateMarkSweep, false, \ | |
949 "Do extra validation during MarkSweep collection") \ | |
950 \ | |
951 notproduct(bool, RecordMarkSweepCompaction, false, \ | |
952 "Enable GC-to-GC recording and querying of compaction during " \ | |
953 "MarkSweep") \ | |
954 \ | |
955 develop_pd(bool, ShareVtableStubs, \ | |
956 "Share vtable stubs (smaller code but worse branch prediction") \ | |
957 \ | |
958 develop(bool, LoadLineNumberTables, true, \ | |
959 "Tells whether the class file parser loads line number tables") \ | |
960 \ | |
961 develop(bool, LoadLocalVariableTables, true, \ | |
962 "Tells whether the class file parser loads local variable tables")\ | |
963 \ | |
964 develop(bool, LoadLocalVariableTypeTables, true, \ | |
965 "Tells whether the class file parser loads local variable type tables")\ | |
966 \ | |
967 product(bool, AllowUserSignalHandlers, false, \ | |
968 "Do not complain if the application installs signal handlers " \ | |
969 "(Solaris & Linux only)") \ | |
970 \ | |
971 product(bool, UseSignalChaining, true, \ | |
972 "Use signal-chaining to invoke signal handlers installed " \ | |
973 "by the application (Solaris & Linux only)") \ | |
974 \ | |
975 product(bool, UseAltSigs, false, \ | |
976 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
977 "internal signals. (Solaris only)") \ | |
978 \ | |
979 product(bool, UseSpinning, false, \ | |
980 "Use spinning in monitor inflation and before entry") \ | |
981 \ | |
982 product(bool, PreSpinYield, false, \ | |
983 "Yield before inner spinning loop") \ | |
984 \ | |
985 product(bool, PostSpinYield, true, \ | |
986 "Yield after inner spinning loop") \ | |
987 \ | |
988 product(bool, AllowJNIEnvProxy, false, \ | |
989 "Allow JNIEnv proxies for jdbx") \ | |
990 \ | |
991 product(bool, JNIDetachReleasesMonitors, true, \ | |
992 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
993 \ | |
994 product(bool, RestoreMXCSROnJNICalls, false, \ | |
995 "Restore MXCSR when returning from JNI calls") \ | |
996 \ | |
997 product(bool, CheckJNICalls, false, \ | |
998 "Verify all arguments to JNI calls") \ | |
999 \ | |
1000 product(bool, UseFastJNIAccessors, true, \ | |
1001 "Use optimized versions of Get<Primitive>Field") \ | |
1002 \ | |
1003 product(bool, EagerXrunInit, false, \ | |
1004 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
1005 " but not all -Xrun libraries may support the state of the VM at this time") \ | |
1006 \ | |
1007 product(bool, PreserveAllAnnotations, false, \ | |
1008 "Preserve RuntimeInvisibleAnnotations as well as RuntimeVisibleAnnotations") \ | |
1009 \ | |
1010 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
1011 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
1012 \ | |
1013 product(bool, LazyBootClassLoader, true, \ | |
1014 "Enable/disable lazy opening of boot class path entries") \ | |
1015 \ | |
1016 diagnostic(bool, UseIncDec, true, \ | |
1017 "Use INC, DEC instructions on x86") \ | |
1018 \ | |
219 | 1019 product(bool, UseNewLongLShift, false, \ |
1020 "Use optimized bitwise shift left") \ | |
1021 \ | |
0 | 1022 product(bool, UseStoreImmI16, true, \ |
1023 "Use store immediate 16-bits value instruction on x86") \ | |
1024 \ | |
1025 product(bool, UseAddressNop, false, \ | |
1026 "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ | |
1027 \ | |
1028 product(bool, UseXmmLoadAndClearUpper, true, \ | |
1029 "Load low part of XMM register and clear upper part") \ | |
1030 \ | |
1031 product(bool, UseXmmRegToRegMoveAll, false, \ | |
1032 "Copy all XMM register bits when moving value between registers") \ | |
1033 \ | |
71 | 1034 product(bool, UseXmmI2D, false, \ |
1035 "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ | |
1036 \ | |
1037 product(bool, UseXmmI2F, false, \ | |
1038 "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ | |
1039 \ | |
405 | 1040 product(bool, UseXMMForArrayCopy, false, \ |
1041 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
1042 \ | |
1043 product(bool, UseUnalignedLoadStores, false, \ | |
1044 "Use SSE2 MOVDQU instruction for Arraycopy") \ | |
1045 \ | |
0 | 1046 product(intx, FieldsAllocationStyle, 1, \ |
1047 "0 - type based with oops first, 1 - with oops last") \ | |
1048 \ | |
1049 product(bool, CompactFields, true, \ | |
1050 "Allocate nonstatic fields in gaps between previous fields") \ | |
1051 \ | |
1052 notproduct(bool, PrintCompactFieldsSavings, false, \ | |
1053 "Print how many words were saved with CompactFields") \ | |
1054 \ | |
1055 product(bool, UseBiasedLocking, true, \ | |
1056 "Enable biased locking in JVM") \ | |
1057 \ | |
1058 product(intx, BiasedLockingStartupDelay, 4000, \ | |
1059 "Number of milliseconds to wait before enabling biased locking") \ | |
1060 \ | |
1061 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
1062 "Print statistics of biased locking in JVM") \ | |
1063 \ | |
1064 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
1065 "Threshold of number of revocations per type to try to " \ | |
1066 "rebias all objects in the heap of that type") \ | |
1067 \ | |
1068 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
1069 "Threshold of number of revocations per type to permanently " \ | |
1070 "revoke biases of all objects in the heap of that type") \ | |
1071 \ | |
1072 product(intx, BiasedLockingDecayTime, 25000, \ | |
1073 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
1074 "type after previous bulk rebias") \ | |
1075 \ | |
1076 /* tracing */ \ | |
1077 \ | |
1078 notproduct(bool, TraceRuntimeCalls, false, \ | |
1079 "Trace run-time calls") \ | |
1080 \ | |
1081 develop(bool, TraceJNICalls, false, \ | |
1082 "Trace JNI calls") \ | |
1083 \ | |
1084 notproduct(bool, TraceJVMCalls, false, \ | |
1085 "Trace JVM calls") \ | |
1086 \ | |
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1087 product(ccstr, TraceJVMTI, NULL, \ |
0 | 1088 "Trace flags for JVMTI functions and events") \ |
1089 \ | |
880
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1090 product(bool, ForceFullGCJVMTIEpilogues, false, \ |
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1091 "Force 'Full GC' was done semantics for JVMTI GC epilogues") \ |
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1092 \ |
0 | 1093 /* This option can change an EMCP method into an obsolete method. */ \ |
1094 /* This can affect tests that except specific methods to be EMCP. */ \ | |
1095 /* This option should be used with caution. */ \ | |
1096 product(bool, StressLdcRewrite, false, \ | |
1097 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
1098 \ | |
1099 product(intx, TraceRedefineClasses, 0, \ | |
1100 "Trace level for JVMTI RedefineClasses") \ | |
1101 \ | |
1102 /* change to false by default sometime after Mustang */ \ | |
1103 product(bool, VerifyMergedCPBytecodes, true, \ | |
1104 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
1105 \ | |
1106 develop(bool, TraceJNIHandleAllocation, false, \ | |
1107 "Trace allocation/deallocation of JNI handle blocks") \ | |
1108 \ | |
1109 develop(bool, TraceThreadEvents, false, \ | |
1110 "Trace all thread events") \ | |
1111 \ | |
1112 develop(bool, TraceBytecodes, false, \ | |
1113 "Trace bytecode execution") \ | |
1114 \ | |
1115 develop(bool, TraceClassInitialization, false, \ | |
1116 "Trace class initialization") \ | |
1117 \ | |
1118 develop(bool, TraceExceptions, false, \ | |
1119 "Trace exceptions") \ | |
1120 \ | |
1121 develop(bool, TraceICs, false, \ | |
1122 "Trace inline cache changes") \ | |
1123 \ | |
1124 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
1125 "Trace method invocation counter overflow") \ | |
1126 \ | |
1127 develop(bool, TraceInlineCacheClearing, false, \ | |
1128 "Trace clearing of inline caches in nmethods") \ | |
1129 \ | |
1130 develop(bool, TraceDependencies, false, \ | |
1131 "Trace dependencies") \ | |
1132 \ | |
1133 develop(bool, VerifyDependencies, trueInDebug, \ | |
1134 "Exercise and verify the compilation dependency mechanism") \ | |
1135 \ | |
1136 develop(bool, TraceNewOopMapGeneration, false, \ | |
1137 "Trace OopMapGeneration") \ | |
1138 \ | |
1139 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
1140 "Trace OopMapGeneration: print detailed cell states") \ | |
1141 \ | |
1142 develop(bool, TimeOopMap, false, \ | |
1143 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
1144 \ | |
1145 develop(bool, TimeOopMap2, false, \ | |
1146 "Time calls to GenerateOopMap::compute_map() individually") \ | |
1147 \ | |
1148 develop(bool, TraceMonitorMismatch, false, \ | |
1149 "Trace monitor matching failures during OopMapGeneration") \ | |
1150 \ | |
1151 develop(bool, TraceOopMapRewrites, false, \ | |
1152 "Trace rewritting of method oops during oop map generation") \ | |
1153 \ | |
1154 develop(bool, TraceSafepoint, false, \ | |
1155 "Trace safepoint operations") \ | |
1156 \ | |
1157 develop(bool, TraceICBuffer, false, \ | |
1158 "Trace usage of IC buffer") \ | |
1159 \ | |
1160 develop(bool, TraceCompiledIC, false, \ | |
1161 "Trace changes of compiled IC") \ | |
1162 \ | |
1163 notproduct(bool, TraceZapDeadLocals, false, \ | |
1164 "Trace zapping dead locals") \ | |
1165 \ | |
1166 develop(bool, TraceStartupTime, false, \ | |
1167 "Trace setup time") \ | |
1168 \ | |
1169 develop(bool, TraceHPI, false, \ | |
1170 "Trace Host Porting Interface (HPI)") \ | |
1171 \ | |
1172 product(ccstr, HPILibPath, NULL, \ | |
1173 "Specify alternate path to HPI library") \ | |
1174 \ | |
1175 develop(bool, TraceProtectionDomainVerification, false, \ | |
1176 "Trace protection domain verifcation") \ | |
1177 \ | |
1178 develop(bool, TraceClearedExceptions, false, \ | |
1179 "Prints when an exception is forcibly cleared") \ | |
1180 \ | |
1181 product(bool, TraceClassResolution, false, \ | |
1182 "Trace all constant pool resolutions (for debugging)") \ | |
1183 \ | |
1184 product(bool, TraceBiasedLocking, false, \ | |
1185 "Trace biased locking in JVM") \ | |
1186 \ | |
1187 product(bool, TraceMonitorInflation, false, \ | |
1188 "Trace monitor inflation in JVM") \ | |
1189 \ | |
1190 /* assembler */ \ | |
1191 product(bool, Use486InstrsOnly, false, \ | |
1192 "Use 80486 Compliant instruction subset") \ | |
1193 \ | |
1194 /* gc */ \ | |
1195 \ | |
1196 product(bool, UseSerialGC, false, \ | |
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1197 "Use the serial garbage collector") \ |
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1198 \ |
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1199 experimental(bool, UseG1GC, false, \ |
342
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1200 "Use the Garbage-First garbage collector") \ |
0 | 1201 \ |
1202 product(bool, UseParallelGC, false, \ | |
1203 "Use the Parallel Scavenge garbage collector") \ | |
1204 \ | |
1205 product(bool, UseParallelOldGC, false, \ | |
1206 "Use the Parallel Old garbage collector") \ | |
1207 \ | |
1208 product(bool, UseParallelOldGCCompacting, true, \ | |
1209 "In the Parallel Old garbage collector use parallel compaction") \ | |
1210 \ | |
1211 product(bool, UseParallelDensePrefixUpdate, true, \ | |
1212 "In the Parallel Old garbage collector use parallel dense" \ | |
1213 " prefix update") \ | |
1214 \ | |
1215 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
1216 "How often should we maximally compact the heap (not allowing " \ | |
1217 "any dead space)") \ | |
1218 \ | |
1219 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
1220 "The collection count for the first maximum compaction") \ | |
1221 \ | |
1222 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
1223 "In the Parallel Old garbage collector maximum compaction for " \ | |
1224 "a system GC") \ | |
1225 \ | |
1226 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
1227 "The mean used by the par compact dead wood" \ | |
1228 "limiter (a number between 0-100).") \ | |
1229 \ | |
1230 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
1231 "The standard deviation used by the par compact dead wood" \ | |
1232 "limiter (a number between 0-100).") \ | |
1233 \ | |
1234 product(bool, UseParallelOldGCDensePrefix, true, \ | |
1235 "Use a dense prefix with the Parallel Old garbage collector") \ | |
1236 \ | |
1237 product(uintx, ParallelGCThreads, 0, \ | |
1238 "Number of parallel threads parallel gc will use") \ | |
1239 \ | |
1240 product(uintx, ParallelCMSThreads, 0, \ | |
1241 "Max number of threads CMS will use for concurrent work") \ | |
1242 \ | |
483
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1243 develop(bool, ParallelOldGCSplitALot, false, \ |
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1244 "Provoke splitting (copying data from a young gen space to" \ |
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|
1245 "multiple destination spaces)") \ |
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1246 \ |
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1247 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
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1248 "How often to provoke splitting a young gen space") \ |
0 | 1249 \ |
375
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1250 develop(bool, TraceRegionTasksQueuing, false, \ |
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1251 "Trace the queuing of the region tasks") \ |
0 | 1252 \ |
342
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1253 product(uintx, ParallelMarkingThreads, 0, \ |
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1254 "Number of marking threads concurrent gc will use") \ |
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1255 \ |
0 | 1256 product(uintx, YoungPLABSize, 4096, \ |
1257 "Size of young gen promotion labs (in HeapWords)") \ | |
1258 \ | |
1259 product(uintx, OldPLABSize, 1024, \ | |
1260 "Size of old gen promotion labs (in HeapWords)") \ | |
1261 \ | |
1262 product(uintx, GCTaskTimeStampEntries, 200, \ | |
1263 "Number of time stamp entries per gc worker thread") \ | |
1264 \ | |
1265 product(bool, AlwaysTenure, false, \ | |
1266 "Always tenure objects in eden. (ParallelGC only)") \ | |
1267 \ | |
1268 product(bool, NeverTenure, false, \ | |
1269 "Never tenure objects in eden, May tenure on overflow" \ | |
1270 " (ParallelGC only)") \ | |
1271 \ | |
1272 product(bool, ScavengeBeforeFullGC, true, \ | |
1273 "Scavenge youngest generation before each full GC," \ | |
1274 " used with UseParallelGC") \ | |
1275 \ | |
1276 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
1277 "Allow scavenges to occur when to_space contains objects.") \ | |
1278 \ | |
1279 product(bool, UseConcMarkSweepGC, false, \ | |
1280 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
1281 \ | |
1282 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
1283 "A System.gc() request invokes a concurrent collection;" \ | |
1284 " (effective only when UseConcMarkSweepGC)") \ | |
1285 \ | |
1286 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
1287 "A System.gc() request invokes a concurrent collection and" \ | |
1288 " also unloads classes during such a concurrent gc cycle " \ | |
1289 " (effective only when UseConcMarkSweepGC)") \ | |
1290 \ | |
1291 develop(bool, UseCMSAdaptiveFreeLists, true, \ | |
1292 "Use Adaptive Free Lists in the CMS generation") \ | |
1293 \ | |
1294 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
1295 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
1296 \ | |
1297 develop(bool, RotateCMSCollectionTypes, false, \ | |
1298 "Rotate the CMS collections among concurrent and STW") \ | |
1299 \ | |
1300 product(bool, UseCMSBestFit, true, \ | |
1301 "Use CMS best fit allocation strategy") \ | |
1302 \ | |
1303 product(bool, UseCMSCollectionPassing, true, \ | |
1304 "Use passing of collection from background to foreground") \ | |
1305 \ | |
1306 product(bool, UseParNewGC, false, \ | |
1307 "Use parallel threads in the new generation.") \ | |
1308 \ | |
1309 product(bool, ParallelGCVerbose, false, \ | |
1310 "Verbose output for parallel GC.") \ | |
1311 \ | |
1312 product(intx, ParallelGCBufferWastePct, 10, \ | |
1313 "wasted fraction of parallel allocation buffer.") \ | |
1314 \ | |
1315 product(bool, ParallelGCRetainPLAB, true, \ | |
1316 "Retain parallel allocation buffers across scavenges.") \ | |
1317 \ | |
1318 product(intx, TargetPLABWastePct, 10, \ | |
1319 "target wasted space in last buffer as pct of overall allocation")\ | |
1320 \ | |
1321 product(uintx, PLABWeight, 75, \ | |
1322 "Percentage (0-100) used to weight the current sample when" \ | |
1323 "computing exponentially decaying average for ResizePLAB.") \ | |
1324 \ | |
1325 product(bool, ResizePLAB, true, \ | |
1326 "Dynamically resize (survivor space) promotion labs") \ | |
1327 \ | |
1328 product(bool, PrintPLAB, false, \ | |
1329 "Print (survivor space) promotion labs sizing decisions") \ | |
1330 \ | |
1331 product(intx, ParGCArrayScanChunk, 50, \ | |
1332 "Scan a subset and push remainder, if array is bigger than this") \ | |
1333 \ | |
695 | 1334 product(bool, ParGCUseLocalOverflow, false, \ |
1335 "Instead of a global overflow list, use local overflow stacks") \ | |
1336 \ | |
679
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1337 product(bool, ParGCTrimOverflow, true, \ |
695 | 1338 "Eagerly trim the local overflow lists (when ParGCUseLocalOverflow") \ |
679
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1339 \ |
534 | 1340 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
1341 "Whether we should simulate work queue overflow in ParNew") \ | |
1342 \ | |
1343 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
1344 "An `interval' counter that determines how frequently" \ | |
1345 " we simulate overflow; a smaller number increases frequency") \ | |
1346 \ | |
1347 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
0 | 1348 "The desired number of objects to claim from the overflow list") \ |
1349 \ | |
1350 product(uintx, CMSParPromoteBlocksToClaim, 50, \ | |
1351 "Number of blocks to attempt to claim when refilling CMS LAB for "\ | |
1352 "parallel GC.") \ | |
1353 \ | |
1354 product(bool, AlwaysPreTouch, false, \ | |
1355 "It forces all freshly committed pages to be pre-touched.") \ | |
1356 \ | |
1357 product(bool, CMSUseOldDefaults, false, \ | |
1358 "A flag temporarily introduced to allow reverting to some older" \ | |
1359 "default settings; older as of 6.0 ") \ | |
1360 \ | |
1361 product(intx, CMSYoungGenPerWorker, 16*M, \ | |
1362 "The amount of young gen chosen by default per GC worker " \ | |
1363 "thread available ") \ | |
1364 \ | |
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1365 product(bool, GCOverheadReporting, false, \ |
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1366 "Enables the GC overhead reporting facility") \ |
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1367 \ |
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1368 product(intx, GCOverheadReportingPeriodMS, 100, \ |
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1369 "Reporting period for conc GC overhead reporting, in ms ") \ |
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1370 \ |
0 | 1371 product(bool, CMSIncrementalMode, false, \ |
1372 "Whether CMS GC should operate in \"incremental\" mode") \ | |
1373 \ | |
1374 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
1375 "CMS incremental mode duty cycle (a percentage, 0-100). If" \ | |
1376 "CMSIncrementalPacing is enabled, then this is just the initial" \ | |
1377 "value") \ | |
1378 \ | |
1379 product(bool, CMSIncrementalPacing, true, \ | |
1380 "Whether the CMS incremental mode duty cycle should be " \ | |
1381 "automatically adjusted") \ | |
1382 \ | |
1383 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
1384 "Lower bound on the duty cycle when CMSIncrementalPacing is" \ | |
1385 "enabled (a percentage, 0-100).") \ | |
1386 \ | |
1387 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
1388 "Percentage (0-100) used to add conservatism when computing the" \ | |
1389 "duty cycle.") \ | |
1390 \ | |
1391 product(uintx, CMSIncrementalOffset, 0, \ | |
1392 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ | |
1393 "is shifted to the right within the period between young GCs") \ | |
1394 \ | |
1395 product(uintx, CMSExpAvgFactor, 25, \ | |
1396 "Percentage (0-100) used to weight the current sample when" \ | |
1397 "computing exponential averages for CMS statistics.") \ | |
1398 \ | |
1399 product(uintx, CMS_FLSWeight, 50, \ | |
1400 "Percentage (0-100) used to weight the current sample when" \ | |
1401 "computing exponentially decating averages for CMS FLS statistics.") \ | |
1402 \ | |
1403 product(uintx, CMS_FLSPadding, 2, \ | |
1404 "The multiple of deviation from mean to use for buffering" \ | |
1405 "against volatility in free list demand.") \ | |
1406 \ | |
1407 product(uintx, FLSCoalescePolicy, 2, \ | |
1408 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ | |
1409 \ | |
1410 product(uintx, CMS_SweepWeight, 50, \ | |
1411 "Percentage (0-100) used to weight the current sample when" \ | |
1412 "computing exponentially decaying average for inter-sweep duration.") \ | |
1413 \ | |
1414 product(uintx, CMS_SweepPadding, 2, \ | |
1415 "The multiple of deviation from mean to use for buffering" \ | |
1416 "against volatility in inter-sweep duration.") \ | |
1417 \ | |
1418 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
1419 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
1420 " duration exceeds this threhold in milliseconds") \ | |
1421 \ | |
1422 develop(bool, CMSTraceIncrementalMode, false, \ | |
1423 "Trace CMS incremental mode") \ | |
1424 \ | |
1425 develop(bool, CMSTraceIncrementalPacing, false, \ | |
1426 "Trace CMS incremental mode pacing computation") \ | |
1427 \ | |
1428 develop(bool, CMSTraceThreadState, false, \ | |
1429 "Trace the CMS thread state (enable the trace_state() method)") \ | |
1430 \ | |
1431 product(bool, CMSClassUnloadingEnabled, false, \ | |
1432 "Whether class unloading enabled when using CMS GC") \ | |
1433 \ | |
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1434 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
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1435 "When CMS class unloading is enabled, the maximum CMS cycle count"\ |
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1436 " for which classes may not be unloaded") \ |
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1437 \ |
0 | 1438 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
1439 "Compact when asked to collect CMS gen with clear_all_soft_refs") \ | |
1440 \ | |
1441 product(bool, UseCMSCompactAtFullCollection, true, \ | |
1442 "Use mark sweep compact at full collections") \ | |
1443 \ | |
1444 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
1445 "Number of CMS full collection done before compaction if > 0") \ | |
1446 \ | |
1447 develop(intx, CMSDictionaryChoice, 0, \ | |
1448 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
1449 \ | |
1450 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
1451 "Replenish and indexed free list with this number of chunks") \ | |
1452 \ | |
1453 product(bool, CMSLoopWarn, false, \ | |
1454 "Warn in case of excessive CMS looping") \ | |
1455 \ | |
1456 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
1457 "Whether preserved marks should be restored early") \ | |
1458 \ | |
541
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1459 product(uintx, CMSMarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
0 | 1460 "Size of CMS marking stack") \ |
1461 \ | |
541
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1462 product(uintx, CMSMarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ |
0 | 1463 "Max size of CMS marking stack") \ |
1464 \ | |
1465 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
1466 "Whether we should simulate frequent marking stack / work queue" \ | |
1467 " overflow") \ | |
1468 \ | |
534 | 1469 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
1470 "An `interval' counter that determines how frequently" \ | |
0 | 1471 " we simulate overflow; a smaller number increases frequency") \ |
1472 \ | |
1473 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
1474 "(Temporary, subject to experimentation)" \ | |
1475 "Maximum number of abortable preclean iterations, if > 0") \ | |
1476 \ | |
1477 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
1478 "(Temporary, subject to experimentation)" \ | |
1479 "Maximum time in abortable preclean in ms") \ | |
1480 \ | |
1481 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
1482 "(Temporary, subject to experimentation)" \ | |
1483 "Nominal minimum work per abortable preclean iteration") \ | |
1484 \ | |
1485 product(intx, CMSAbortablePrecleanWaitMillis, 100, \ | |
1486 "(Temporary, subject to experimentation)" \ | |
1487 " Time that we sleep between iterations when not given" \ | |
1488 " enough work per iteration") \ | |
1489 \ | |
1490 product(uintx, CMSRescanMultiple, 32, \ | |
1491 "Size (in cards) of CMS parallel rescan task") \ | |
1492 \ | |
1493 product(uintx, CMSConcMarkMultiple, 32, \ | |
1494 "Size (in cards) of CMS concurrent MT marking task") \ | |
1495 \ | |
1496 product(uintx, CMSRevisitStackSize, 1*M, \ | |
1497 "Size of CMS KlassKlass revisit stack") \ | |
1498 \ | |
1499 product(bool, CMSAbortSemantics, false, \ | |
1500 "Whether abort-on-overflow semantics is implemented") \ | |
1501 \ | |
1502 product(bool, CMSParallelRemarkEnabled, true, \ | |
1503 "Whether parallel remark enabled (only if ParNewGC)") \ | |
1504 \ | |
1505 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
1506 "Whether parallel remark of survivor space" \ | |
1507 " enabled (effective only if CMSParallelRemarkEnabled)") \ | |
1508 \ | |
1509 product(bool, CMSPLABRecordAlways, true, \ | |
1510 "Whether to always record survivor space PLAB bdries" \ | |
1511 " (effective only if CMSParallelSurvivorRemarkEnabled)") \ | |
1512 \ | |
1513 product(bool, CMSConcurrentMTEnabled, true, \ | |
1514 "Whether multi-threaded concurrent work enabled (if ParNewGC)") \ | |
1515 \ | |
1516 product(bool, CMSPermGenPrecleaningEnabled, true, \ | |
1517 "Whether concurrent precleaning enabled in perm gen" \ | |
1518 " (effective only when CMSPrecleaningEnabled is true)") \ | |
1519 \ | |
1520 product(bool, CMSPrecleaningEnabled, true, \ | |
1521 "Whether concurrent precleaning enabled") \ | |
1522 \ | |
1523 product(uintx, CMSPrecleanIter, 3, \ | |
1524 "Maximum number of precleaning iteration passes") \ | |
1525 \ | |
1526 product(uintx, CMSPrecleanNumerator, 2, \ | |
1527 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
1528 " ratio") \ | |
1529 \ | |
1530 product(uintx, CMSPrecleanDenominator, 3, \ | |
1531 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
1532 " ratio") \ | |
1533 \ | |
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1534 product(bool, CMSPrecleanRefLists1, true, \ |
0 | 1535 "Preclean ref lists during (initial) preclean phase") \ |
1536 \ | |
1537 product(bool, CMSPrecleanRefLists2, false, \ | |
1538 "Preclean ref lists during abortable preclean phase") \ | |
1539 \ | |
1540 product(bool, CMSPrecleanSurvivors1, false, \ | |
1541 "Preclean survivors during (initial) preclean phase") \ | |
1542 \ | |
1543 product(bool, CMSPrecleanSurvivors2, true, \ | |
1544 "Preclean survivors during abortable preclean phase") \ | |
1545 \ | |
1546 product(uintx, CMSPrecleanThreshold, 1000, \ | |
1547 "Don't re-iterate if #dirty cards less than this") \ | |
1548 \ | |
1549 product(bool, CMSCleanOnEnter, true, \ | |
1550 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
1551 \ | |
1552 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
1553 "Choose variant (1,2) of verification following remark") \ | |
1554 \ | |
1555 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
1556 "If Eden used is below this value, don't try to schedule remark") \ | |
1557 \ | |
1558 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
1559 "The Eden occupancy % at which to try and schedule remark pause") \ | |
1560 \ | |
1561 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
1562 "Start sampling Eden top at least before yg occupancy reaches" \ | |
1563 " 1/<ratio> of the size at which we plan to schedule remark") \ | |
1564 \ | |
1565 product(uintx, CMSSamplingGrain, 16*K, \ | |
1566 "The minimum distance between eden samples for CMS (see above)") \ | |
1567 \ | |
1568 product(bool, CMSScavengeBeforeRemark, false, \ | |
1569 "Attempt scavenge before the CMS remark step") \ | |
1570 \ | |
1571 develop(bool, CMSTraceSweeper, false, \ | |
1572 "Trace some actions of the CMS sweeper") \ | |
1573 \ | |
1574 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
1575 "Don't drain below this size per parallel worker/thief") \ | |
1576 \ | |
1577 product(intx, CMSWaitDuration, 2000, \ | |
1578 "Time in milliseconds that CMS thread waits for young GC") \ | |
1579 \ | |
1580 product(bool, CMSYield, true, \ | |
1581 "Yield between steps of concurrent mark & sweep") \ | |
1582 \ | |
1583 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
1584 "Bitmap operations should process at most this many bits" \ | |
1585 "between yields") \ | |
1586 \ | |
1587 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ | |
1588 "Verify that all refs across the FLS boundary " \ | |
1589 " are to valid objects") \ | |
1590 \ | |
1591 diagnostic(bool, FLSVerifyLists, false, \ | |
1592 "Do lots of (expensive) FreeListSpace verification") \ | |
1593 \ | |
1594 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
1595 "Do lots of (expensive) FLS index table verification") \ | |
1596 \ | |
1597 develop(bool, FLSVerifyDictionary, false, \ | |
1598 "Do lots of (expensive) FLS dictionary verification") \ | |
1599 \ | |
1600 develop(bool, VerifyBlockOffsetArray, false, \ | |
1601 "Do (expensive!) block offset array verification") \ | |
1602 \ | |
1603 product(bool, BlockOffsetArrayUseUnallocatedBlock, trueInDebug, \ | |
1604 "Maintain _unallocated_block in BlockOffsetArray" \ | |
1605 " (currently applicable only to CMS collector)") \ | |
1606 \ | |
1607 develop(bool, TraceCMSState, false, \ | |
1608 "Trace the state of the CMS collection") \ | |
1609 \ | |
1610 product(intx, RefDiscoveryPolicy, 0, \ | |
1611 "Whether reference-based(0) or referent-based(1)") \ | |
1612 \ | |
1613 product(bool, ParallelRefProcEnabled, false, \ | |
1614 "Enable parallel reference processing whenever possible") \ | |
1615 \ | |
1616 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
1617 "Enable balancing of reference processing queues") \ | |
1618 \ | |
1619 product(intx, CMSTriggerRatio, 80, \ | |
1620 "Percentage of MinHeapFreeRatio in CMS generation that is " \ | |
1621 " allocated before a CMS collection cycle commences") \ | |
1622 \ | |
94
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1623 product(intx, CMSTriggerPermRatio, 80, \ |
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1624 "Percentage of MinHeapFreeRatio in the CMS perm generation that" \ |
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1625 " is allocated before a CMS collection cycle commences, that " \ |
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|
1626 " also collects the perm generation") \ |
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1627 \ |
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1628 product(uintx, CMSBootstrapOccupancy, 50, \ |
0 | 1629 "Percentage CMS generation occupancy at which to " \ |
1630 " initiate CMS collection for bootstrapping collection stats") \ | |
1631 \ | |
1632 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
1633 "Percentage CMS generation occupancy to start a CMS collection " \ | |
94
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1634 " cycle (A negative value means that CMSTriggerRatio is used)") \ |
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1635 \ |
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1636 product(intx, CMSInitiatingPermOccupancyFraction, -1, \ |
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1637 "Percentage CMS perm generation occupancy to start a CMScollection"\ |
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1638 " cycle (A negative value means that CMSTriggerPermRatio is used)")\ |
0 | 1639 \ |
1640 product(bool, UseCMSInitiatingOccupancyOnly, false, \ | |
1641 "Only use occupancy as a crierion for starting a CMS collection") \ | |
1642 \ | |
94
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1643 product(intx, CMSIsTooFullPercentage, 98, \ |
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1644 "An absolute ceiling above which CMS will always consider the" \ |
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1645 " perm gen ripe for collection") \ |
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1646 \ |
0 | 1647 develop(bool, CMSTestInFreeList, false, \ |
1648 "Check if the coalesced range is already in the " \ | |
1649 "free lists as claimed.") \ | |
1650 \ | |
1651 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
1652 "Check that all the garbage collected was returned to the " \ | |
1653 "free lists.") \ | |
1654 \ | |
1655 notproduct(bool, ScavengeALot, false, \ | |
1656 "Force scavenge at every Nth exit from the runtime system " \ | |
1657 "(N=ScavengeALotInterval)") \ | |
1658 \ | |
1659 develop(bool, FullGCALot, false, \ | |
1660 "Force full gc at every Nth exit from the runtime system " \ | |
1661 "(N=FullGCALotInterval)") \ | |
1662 \ | |
1663 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
1664 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
1665 \ | |
1666 product(bool, HandlePromotionFailure, true, \ | |
1667 "The youngest generation collection does not require" \ | |
1668 " a guarantee of full promotion of all live objects.") \ | |
1669 \ | |
1670 notproduct(bool, PromotionFailureALot, false, \ | |
1671 "Use promotion failure handling on every youngest generation " \ | |
1672 "collection") \ | |
1673 \ | |
1674 develop(uintx, PromotionFailureALotCount, 1000, \ | |
1675 "Number of promotion failures occurring at ParGCAllocBuffer" \ | |
1676 "refill attempts (ParNew) or promotion attempts " \ | |
1677 "(other young collectors) ") \ | |
1678 \ | |
1679 develop(uintx, PromotionFailureALotInterval, 5, \ | |
1680 "Total collections between promotion failures alot") \ | |
1681 \ | |
1682 develop(intx, WorkStealingSleepMillis, 1, \ | |
1683 "Sleep time when sleep is used for yields") \ | |
1684 \ | |
1685 develop(uintx, WorkStealingYieldsBeforeSleep, 1000, \ | |
1686 "Number of yields before a sleep is done during workstealing") \ | |
1687 \ | |
546
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1688 develop(uintx, WorkStealingHardSpins, 4096, \ |
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1689 "Number of iterations in a spin loop between checks on " \ |
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1690 "time out of hard spin") \ |
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|
1691 \ |
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1692 develop(uintx, WorkStealingSpinToYieldRatio, 10, \ |
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1693 "Ratio of hard spins to calls to yield") \ |
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|
1694 \ |
534 | 1695 product(uintx, PreserveMarkStackSize, 1024, \ |
0 | 1696 "Size for stack used in promotion failure handling") \ |
1697 \ | |
1698 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ | |
1699 \ | |
1700 product_pd(bool, ResizeTLAB, \ | |
1701 "Dynamically resize tlab size for threads") \ | |
1702 \ | |
1703 product(bool, ZeroTLAB, false, \ | |
1704 "Zero out the newly created TLAB") \ | |
1705 \ | |
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1706 product(bool, FastTLABRefill, true, \ |
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1707 "Use fast TLAB refill code") \ |
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1708 \ |
0 | 1709 product(bool, PrintTLAB, false, \ |
1710 "Print various TLAB related information") \ | |
1711 \ | |
1712 product(bool, TLABStats, true, \ | |
1713 "Print various TLAB related information") \ | |
1714 \ | |
941 | 1715 product(bool, PrintRevisitStats, false, \ |
1716 "Print revisit (klass and MDO) stack related information") \ | |
1717 \ | |
0 | 1718 product_pd(bool, NeverActAsServerClassMachine, \ |
1719 "Never act like a server-class machine") \ | |
1720 \ | |
1721 product(bool, AlwaysActAsServerClassMachine, false, \ | |
1722 "Always act like a server-class machine") \ | |
1723 \ | |
1724 product_pd(uintx, DefaultMaxRAM, \ | |
1725 "Maximum real memory size for setting server class heap size") \ | |
1726 \ | |
1727 product(uintx, DefaultMaxRAMFraction, 4, \ | |
1728 "Fraction (1/n) of real memory used for server class max heap") \ | |
1729 \ | |
1730 product(uintx, DefaultInitialRAMFraction, 64, \ | |
1731 "Fraction (1/n) of real memory used for server class initial heap") \ | |
1732 \ | |
1733 product(bool, UseAutoGCSelectPolicy, false, \ | |
1734 "Use automatic collection selection policy") \ | |
1735 \ | |
1736 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
1737 "Automatic GC selection pause threshhold in ms") \ | |
1738 \ | |
1739 product(bool, UseAdaptiveSizePolicy, true, \ | |
1740 "Use adaptive generation sizing policies") \ | |
1741 \ | |
1742 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
1743 "Use adaptive survivor sizing policies") \ | |
1744 \ | |
1745 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
1746 "Use adaptive young-old sizing policies at minor collections") \ | |
1747 \ | |
1748 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
1749 "Use adaptive young-old sizing policies at major collections") \ | |
1750 \ | |
1751 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
1752 "Use statistics from System.GC for adaptive size policy") \ | |
1753 \ | |
1754 product(bool, UseAdaptiveGCBoundary, false, \ | |
1755 "Allow young-old boundary to move") \ | |
1756 \ | |
1757 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
1758 "Trace young-old boundary moves") \ | |
1759 \ | |
1760 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
1761 "Resize the virtual spaces of the young or old generations") \ | |
1762 \ | |
1763 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
1764 "Policy for changeing generation size for throughput goals") \ | |
1765 \ | |
1766 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
1767 "Policy for changing generation size for pause goals") \ | |
1768 \ | |
1769 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
1770 "Adjust tenured generation to achive a minor pause goal") \ | |
1771 \ | |
1772 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
1773 "Adjust young generation to achive a major pause goal") \ | |
1774 \ | |
1775 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
1776 "Number of steps where heuristics is used before data is used") \ | |
1777 \ | |
1778 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
1779 "Number of collections before the adaptive sizing is started") \ | |
1780 \ | |
1781 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
1782 "Collecton interval for printing information, zero => never") \ | |
1783 \ | |
1784 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
1785 "Use adaptive minimum footprint as a goal") \ | |
1786 \ | |
1787 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
1788 "Weight given to exponential resizing, between 0 and 100") \ | |
1789 \ | |
1790 product(uintx, AdaptiveTimeWeight, 25, \ | |
1791 "Weight given to time in adaptive policy, between 0 and 100") \ | |
1792 \ | |
1793 product(uintx, PausePadding, 1, \ | |
1794 "How much buffer to keep for pause time") \ | |
1795 \ | |
1796 product(uintx, PromotedPadding, 3, \ | |
1797 "How much buffer to keep for promotion failure") \ | |
1798 \ | |
1799 product(uintx, SurvivorPadding, 3, \ | |
1800 "How much buffer to keep for survivor overflow") \ | |
1801 \ | |
1802 product(uintx, AdaptivePermSizeWeight, 20, \ | |
1803 "Weight for perm gen exponential resizing, between 0 and 100") \ | |
1804 \ | |
1805 product(uintx, PermGenPadding, 3, \ | |
1806 "How much buffer to keep for perm gen sizing") \ | |
1807 \ | |
1808 product(uintx, ThresholdTolerance, 10, \ | |
1809 "Allowed collection cost difference between generations") \ | |
1810 \ | |
1811 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
1812 "If collection costs are within margin, reduce both by full delta") \ | |
1813 \ | |
1814 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
1815 "Adaptive size percentage change in young generation") \ | |
1816 \ | |
1817 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
1818 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
1819 \ | |
1820 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
1821 "Decay factor to YoungedGenerationSizeSupplement") \ | |
1822 \ | |
1823 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
1824 "Adaptive size percentage change in tenured generation") \ | |
1825 \ | |
1826 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
1827 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
1828 \ | |
1829 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
1830 "Decay factor to TenuredGenerationSizeIncrement") \ | |
1831 \ | |
1832 product(uintx, MaxGCPauseMillis, max_uintx, \ | |
751 | 1833 "Adaptive size policy maximum GC pause time goal in msec, " \ |
1834 "or (G1 Only) the max. GC time per MMU time slice") \ | |
1835 \ | |
1836 product(intx, GCPauseIntervalMillis, 500, \ | |
1837 "Time slice for MMU specification") \ | |
0 | 1838 \ |
1839 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
1840 "Adaptive size policy maximum GC minor pause time goal in msec") \ | |
1841 \ | |
1842 product(uintx, GCTimeRatio, 99, \ | |
1843 "Adaptive size policy application time to GC time ratio") \ | |
1844 \ | |
1845 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
1846 "Adaptive size scale down factor for shrinking") \ | |
1847 \ | |
1848 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
1849 "Adaptive size decays the major cost for long major intervals") \ | |
1850 \ | |
1851 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
1852 "Time scale over which major costs decay") \ | |
1853 \ | |
1854 product(uintx, MinSurvivorRatio, 3, \ | |
1855 "Minimum ratio of young generation/survivor space size") \ | |
1856 \ | |
1857 product(uintx, InitialSurvivorRatio, 8, \ | |
1858 "Initial ratio of eden/survivor space size") \ | |
1859 \ | |
1860 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
1861 "Estimate of footprint other than Java Heap") \ | |
1862 \ | |
1863 product(bool, UseGCOverheadLimit, true, \ | |
1864 "Use policy to limit of proportion of time spent in GC " \ | |
1865 "before an OutOfMemory error is thrown") \ | |
1866 \ | |
1867 product(uintx, GCTimeLimit, 98, \ | |
1868 "Limit of proportion of time spent in GC before an OutOfMemory" \ | |
1869 "error is thrown (used with GCHeapFreeLimit)") \ | |
1870 \ | |
1871 product(uintx, GCHeapFreeLimit, 2, \ | |
1872 "Minimum percentage of free space after a full GC before an " \ | |
1873 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
1874 \ | |
1875 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
1876 "Number of consecutive collections before gc time limit fires") \ | |
1877 \ | |
1878 product(bool, PrintAdaptiveSizePolicy, false, \ | |
1879 "Print information about AdaptiveSizePolicy") \ | |
1880 \ | |
1881 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
1882 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
1883 \ | |
1884 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
1885 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
1886 \ | |
1887 product(intx, PrefetchFieldsAhead, -1, \ | |
1888 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
1889 \ | |
1890 develop(bool, UsePrefetchQueue, true, \ | |
1891 "Use the prefetch queue during PS promotion") \ | |
1892 \ | |
1893 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ | |
1894 "Verify system before exiting") \ | |
1895 \ | |
1896 diagnostic(bool, VerifyBeforeGC, false, \ | |
1897 "Verify memory system before GC") \ | |
1898 \ | |
1899 diagnostic(bool, VerifyAfterGC, false, \ | |
1900 "Verify memory system after GC") \ | |
1901 \ | |
1902 diagnostic(bool, VerifyDuringGC, false, \ | |
1903 "Verify memory system during GC (between phases)") \ | |
1904 \ | |
390 | 1905 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
1906 "Enable parallel memory system verification") \ | |
1907 \ | |
0 | 1908 diagnostic(bool, VerifyRememberedSets, false, \ |
1909 "Verify GC remembered sets") \ | |
1910 \ | |
1911 diagnostic(bool, VerifyObjectStartArray, true, \ | |
1912 "Verify GC object start array if verify before/after") \ | |
1913 \ | |
1914 product(bool, DisableExplicitGC, false, \ | |
1915 "Tells whether calling System.gc() does a full GC") \ | |
1916 \ | |
1917 notproduct(bool, CheckMemoryInitialization, false, \ | |
1918 "Checks memory initialization") \ | |
1919 \ | |
1920 product(bool, CollectGen0First, false, \ | |
1921 "Collect youngest generation before each full GC") \ | |
1922 \ | |
1923 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
1924 "Bind CMS Thread to CPU if possible") \ | |
1925 \ | |
1926 diagnostic(uintx, CPUForCMSThread, 0, \ | |
1927 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
1928 \ | |
1929 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
1930 "Bind GCTaskThreads to CPUs if possible") \ | |
1931 \ | |
1932 product(bool, UseGCTaskAffinity, false, \ | |
1933 "Use worker affinity when asking for GCTasks") \ | |
1934 \ | |
1935 product(uintx, ProcessDistributionStride, 4, \ | |
1936 "Stride through processors when distributing processes") \ | |
1937 \ | |
1938 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
1939 "number of times the coordinator GC thread will sleep while " \ | |
1940 "yielding before giving up and resuming GC") \ | |
1941 \ | |
1942 product(uintx, CMSYieldSleepCount, 0, \ | |
1943 "number of times a GC thread (minus the coordinator) " \ | |
1944 "will sleep while yielding before giving up and resuming GC") \ | |
1945 \ | |
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1946 notproduct(bool, PrintFlagsFinal, false, \ |
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1947 "Print all command line flags after argument processing") \ |
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1948 \ |
0 | 1949 /* gc tracing */ \ |
1950 manageable(bool, PrintGC, false, \ | |
1951 "Print message at garbage collect") \ | |
1952 \ | |
1953 manageable(bool, PrintGCDetails, false, \ | |
1954 "Print more details at garbage collect") \ | |
1955 \ | |
1956 manageable(bool, PrintGCDateStamps, false, \ | |
1957 "Print date stamps at garbage collect") \ | |
1958 \ | |
1959 manageable(bool, PrintGCTimeStamps, false, \ | |
1960 "Print timestamps at garbage collect") \ | |
1961 \ | |
1962 product(bool, PrintGCTaskTimeStamps, false, \ | |
1963 "Print timestamps for individual gc worker thread tasks") \ | |
1964 \ | |
1965 develop(intx, ConcGCYieldTimeout, 0, \ | |
1966 "If non-zero, assert that GC threads yield within this # of ms.") \ | |
1967 \ | |
1968 notproduct(bool, TraceMarkSweep, false, \ | |
1969 "Trace mark sweep") \ | |
1970 \ | |
1971 product(bool, PrintReferenceGC, false, \ | |
1972 "Print times spent handling reference objects during GC " \ | |
1973 " (enabled only when PrintGCDetails)") \ | |
1974 \ | |
1975 develop(bool, TraceReferenceGC, false, \ | |
1976 "Trace handling of soft/weak/final/phantom references") \ | |
1977 \ | |
1978 develop(bool, TraceFinalizerRegistration, false, \ | |
1979 "Trace registration of final references") \ | |
1980 \ | |
1981 notproduct(bool, TraceScavenge, false, \ | |
1982 "Trace scavenge") \ | |
1983 \ | |
1984 product_rw(bool, TraceClassLoading, false, \ | |
1985 "Trace all classes loaded") \ | |
1986 \ | |
1987 product(bool, TraceClassLoadingPreorder, false, \ | |
1988 "Trace all classes loaded in order referenced (not loaded)") \ | |
1989 \ | |
1990 product_rw(bool, TraceClassUnloading, false, \ | |
1991 "Trace unloading of classes") \ | |
1992 \ | |
1993 product_rw(bool, TraceLoaderConstraints, false, \ | |
1994 "Trace loader constraints") \ | |
1995 \ | |
1996 product(bool, TraceGen0Time, false, \ | |
1997 "Trace accumulated time for Gen 0 collection") \ | |
1998 \ | |
1999 product(bool, TraceGen1Time, false, \ | |
2000 "Trace accumulated time for Gen 1 collection") \ | |
2001 \ | |
2002 product(bool, PrintTenuringDistribution, false, \ | |
2003 "Print tenuring age information") \ | |
2004 \ | |
2005 product_rw(bool, PrintHeapAtGC, false, \ | |
2006 "Print heap layout before and after each GC") \ | |
2007 \ | |
838
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2008 product_rw(bool, PrintHeapAtGCExtended, false, \ |
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2009 "Prints extended information about the layout of the heap " \ |
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2010 "when -XX:+PrintHeapAtGC is set") \ |
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2011 \ |
0 | 2012 product(bool, PrintHeapAtSIGBREAK, true, \ |
2013 "Print heap layout in response to SIGBREAK") \ | |
2014 \ | |
615
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2015 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
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2016 "Print a class histogram before any major stop-world GC") \ |
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2017 \ |
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2018 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
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2019 "Print a class histogram after any major stop-world GC") \ |
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2020 \ |
0 | 2021 manageable(bool, PrintClassHistogram, false, \ |
2022 "Print a histogram of class instances") \ | |
2023 \ | |
2024 develop(bool, TraceWorkGang, false, \ | |
2025 "Trace activities of work gangs") \ | |
2026 \ | |
2027 product(bool, TraceParallelOldGCTasks, false, \ | |
2028 "Trace multithreaded GC activity") \ | |
2029 \ | |
2030 develop(bool, TraceBlockOffsetTable, false, \ | |
2031 "Print BlockOffsetTable maps") \ | |
2032 \ | |
2033 develop(bool, TraceCardTableModRefBS, false, \ | |
2034 "Print CardTableModRefBS maps") \ | |
2035 \ | |
2036 develop(bool, TraceGCTaskManager, false, \ | |
2037 "Trace actions of the GC task manager") \ | |
2038 \ | |
2039 develop(bool, TraceGCTaskQueue, false, \ | |
2040 "Trace actions of the GC task queues") \ | |
2041 \ | |
2042 develop(bool, TraceGCTaskThread, false, \ | |
2043 "Trace actions of the GC task threads") \ | |
2044 \ | |
2045 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
2046 "Print the time taken by each parallel old gc phase." \ | |
2047 "PrintGCDetails must also be enabled.") \ | |
2048 \ | |
2049 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
2050 "Trace parallel old gc marking phase") \ | |
2051 \ | |
2052 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
2053 "Trace parallel old gc summary phase") \ | |
2054 \ | |
2055 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
2056 "Trace parallel old gc compaction phase") \ | |
2057 \ | |
2058 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
2059 "Trace parallel old gc dense prefix computation") \ | |
2060 \ | |
2061 develop(bool, IgnoreLibthreadGPFault, false, \ | |
2062 "Suppress workaround for libthread GP fault") \ | |
2063 \ | |
139
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2064 product(bool, PrintJNIGCStalls, false, \ |
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2065 "Print diagnostic message when GC is stalled" \ |
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2066 "by JNI critical section") \ |
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2067 \ |
0 | 2068 /* JVMTI heap profiling */ \ |
2069 \ | |
2070 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
2071 "Trace JVMTI object tagging calls") \ | |
2072 \ | |
2073 diagnostic(bool, VerifyBeforeIteration, false, \ | |
2074 "Verify memory system before JVMTI iteration") \ | |
2075 \ | |
2076 /* compiler interface */ \ | |
2077 \ | |
2078 develop(bool, CIPrintCompilerName, false, \ | |
2079 "when CIPrint is active, print the name of the active compiler") \ | |
2080 \ | |
2081 develop(bool, CIPrintCompileQueue, false, \ | |
2082 "display the contents of the compile queue whenever a " \ | |
2083 "compilation is enqueued") \ | |
2084 \ | |
2085 develop(bool, CIPrintRequests, false, \ | |
2086 "display every request for compilation") \ | |
2087 \ | |
2088 product(bool, CITime, false, \ | |
2089 "collect timing information for compilation") \ | |
2090 \ | |
2091 develop(bool, CITimeEach, false, \ | |
2092 "display timing information after each successful compilation") \ | |
2093 \ | |
2094 develop(bool, CICountOSR, true, \ | |
2095 "use a separate counter when assigning ids to osr compilations") \ | |
2096 \ | |
2097 develop(bool, CICompileNatives, true, \ | |
2098 "compile native methods if supported by the compiler") \ | |
2099 \ | |
2100 develop_pd(bool, CICompileOSR, \ | |
2101 "compile on stack replacement methods if supported by the " \ | |
2102 "compiler") \ | |
2103 \ | |
2104 develop(bool, CIPrintMethodCodes, false, \ | |
2105 "print method bytecodes of the compiled code") \ | |
2106 \ | |
2107 develop(bool, CIPrintTypeFlow, false, \ | |
2108 "print the results of ciTypeFlow analysis") \ | |
2109 \ | |
2110 develop(bool, CITraceTypeFlow, false, \ | |
2111 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
2112 \ | |
2113 develop(intx, CICloneLoopTestLimit, 100, \ | |
2114 "size limit for blocks heuristically cloned in ciTypeFlow") \ | |
2115 \ | |
2116 /* temp diagnostics */ \ | |
2117 \ | |
2118 diagnostic(bool, TraceRedundantCompiles, false, \ | |
2119 "Have compile broker print when a request already in the queue is"\ | |
2120 " requested again") \ | |
2121 \ | |
2122 diagnostic(bool, InitialCompileFast, false, \ | |
2123 "Initial compile at CompLevel_fast_compile") \ | |
2124 \ | |
2125 diagnostic(bool, InitialCompileReallyFast, false, \ | |
2126 "Initial compile at CompLevel_really_fast_compile (no profile)") \ | |
2127 \ | |
2128 diagnostic(bool, FullProfileOnReInterpret, true, \ | |
2129 "On re-interpret unc-trap compile next at CompLevel_fast_compile")\ | |
2130 \ | |
2131 /* compiler */ \ | |
2132 \ | |
2133 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
2134 "Number of compiler threads to run") \ | |
2135 \ | |
2136 product(intx, CompilationPolicyChoice, 0, \ | |
2137 "which compilation policy (0/1)") \ | |
2138 \ | |
2139 develop(bool, UseStackBanging, true, \ | |
2140 "use stack banging for stack overflow checks (required for " \ | |
2141 "proper StackOverflow handling; disable only to measure cost " \ | |
2142 "of stackbanging)") \ | |
2143 \ | |
2144 develop(bool, Use24BitFPMode, true, \ | |
2145 "Set 24-bit FPU mode on a per-compile basis ") \ | |
2146 \ | |
2147 develop(bool, Use24BitFP, true, \ | |
2148 "use FP instructions that produce 24-bit precise results") \ | |
2149 \ | |
2150 develop(bool, UseStrictFP, true, \ | |
2151 "use strict fp if modifier strictfp is set") \ | |
2152 \ | |
2153 develop(bool, GenerateSynchronizationCode, true, \ | |
2154 "generate locking/unlocking code for synchronized methods and " \ | |
2155 "monitors") \ | |
2156 \ | |
2157 develop(bool, GenerateCompilerNullChecks, true, \ | |
2158 "Generate explicit null checks for loads/stores/calls") \ | |
2159 \ | |
2160 develop(bool, GenerateRangeChecks, true, \ | |
2161 "Generate range checks for array accesses") \ | |
2162 \ | |
2163 develop_pd(bool, ImplicitNullChecks, \ | |
2164 "generate code for implicit null checks") \ | |
2165 \ | |
2166 product(bool, PrintSafepointStatistics, false, \ | |
2167 "print statistics about safepoint synchronization") \ | |
2168 \ | |
2169 product(intx, PrintSafepointStatisticsCount, 300, \ | |
2170 "total number of safepoint statistics collected " \ | |
2171 "before printing them out") \ | |
2172 \ | |
2173 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
2174 "print safepoint statistics only when safepoint takes" \ | |
2175 " more than PrintSafepointSatisticsTimeout in millis") \ | |
2176 \ | |
2177 develop(bool, InlineAccessors, true, \ | |
2178 "inline accessor methods (get/set)") \ | |
2179 \ | |
2180 product(bool, Inline, true, \ | |
2181 "enable inlining") \ | |
2182 \ | |
2183 product(bool, ClipInlining, true, \ | |
2184 "clip inlining if aggregate method exceeds DesiredMethodLimit") \ | |
2185 \ | |
2186 develop(bool, UseCHA, true, \ | |
2187 "enable CHA") \ | |
2188 \ | |
2189 product(bool, UseTypeProfile, true, \ | |
2190 "Check interpreter profile for historically monomorphic calls") \ | |
2191 \ | |
2192 product(intx, TypeProfileMajorReceiverPercent, 90, \ | |
2193 "% of major receiver type to all profiled receivers") \ | |
2194 \ | |
2195 notproduct(bool, TimeCompiler, false, \ | |
2196 "time the compiler") \ | |
2197 \ | |
2198 notproduct(bool, TimeCompiler2, false, \ | |
2199 "detailed time the compiler (requires +TimeCompiler)") \ | |
2200 \ | |
2201 diagnostic(bool, PrintInlining, false, \ | |
2202 "prints inlining optimizations") \ | |
2203 \ | |
2204 diagnostic(bool, PrintIntrinsics, false, \ | |
2205 "prints attempted and successful inlining of intrinsics") \ | |
2206 \ | |
775
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2207 product(bool, UseCountLeadingZerosInstruction, false, \ |
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2208 "Use count leading zeros instruction") \ |
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|
2209 \ |
643
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6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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diff
changeset
|
2210 product(bool, UsePopCountInstruction, false, \ |
c771b7f43bbf
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
twisti
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642
diff
changeset
|
2211 "Use population count instruction") \ |
c771b7f43bbf
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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diff
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|
2212 \ |
0 | 2213 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
2214 "do not expand intrinsics whose (internal) names appear here") \ | |
2215 \ | |
2216 develop(bool, StressReflectiveCode, false, \ | |
2217 "Use inexact types at allocations, etc., to test reflection") \ | |
2218 \ | |
2219 develop(bool, EagerInitialization, false, \ | |
2220 "Eagerly initialize classes if possible") \ | |
2221 \ | |
2222 product(bool, Tier1UpdateMethodData, trueInTiered, \ | |
2223 "Update methodDataOops in Tier1-generated code") \ | |
2224 \ | |
2225 develop(bool, TraceMethodReplacement, false, \ | |
2226 "Print when methods are replaced do to recompilation") \ | |
2227 \ | |
2228 develop(bool, PrintMethodFlushing, false, \ | |
2229 "print the nmethods being flushed") \ | |
2230 \ | |
2231 notproduct(bool, LogMultipleMutexLocking, false, \ | |
2232 "log locking and unlocking of mutexes (only if multiple locks " \ | |
2233 "are held)") \ | |
2234 \ | |
2235 develop(bool, UseRelocIndex, false, \ | |
2236 "use an index to speed random access to relocations") \ | |
2237 \ | |
2238 develop(bool, StressCodeBuffers, false, \ | |
2239 "Exercise code buffer expansion and other rare state changes") \ | |
2240 \ | |
2241 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
2242 "Generate extra debugging info for non-safepoints in nmethods") \ | |
2243 \ | |
2244 diagnostic(bool, DebugInlinedCalls, true, \ | |
2245 "If false, restricts profiled locations to the root method only") \ | |
2246 \ | |
2247 product(bool, PrintVMOptions, trueInDebug, \ | |
2248 "print VM flag settings") \ | |
2249 \ | |
564 | 2250 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
2251 "Ignore unrecognized VM options") \ | |
2252 \ | |
0 | 2253 diagnostic(bool, SerializeVMOutput, true, \ |
2254 "Use a mutex to serialize output to tty and hotspot.log") \ | |
2255 \ | |
2256 diagnostic(bool, DisplayVMOutput, true, \ | |
2257 "Display all VM output on the tty, independently of LogVMOutput") \ | |
2258 \ | |
2259 diagnostic(bool, LogVMOutput, trueInDebug, \ | |
2260 "Save VM output to hotspot.log, or to LogFile") \ | |
2261 \ | |
2262 diagnostic(ccstr, LogFile, NULL, \ | |
2263 "If LogVMOutput is on, save VM output to this file [hotspot.log]") \ | |
2264 \ | |
2265 product(ccstr, ErrorFile, NULL, \ | |
2266 "If an error occurs, save the error data to this file " \ | |
2267 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ | |
2268 \ | |
2269 product(bool, DisplayVMOutputToStderr, false, \ | |
2270 "If DisplayVMOutput is true, display all VM output to stderr") \ | |
2271 \ | |
2272 product(bool, DisplayVMOutputToStdout, false, \ | |
2273 "If DisplayVMOutput is true, display all VM output to stdout") \ | |
2274 \ | |
2275 product(bool, UseHeavyMonitors, false, \ | |
2276 "use heavyweight instead of lightweight Java monitors") \ | |
2277 \ | |
2278 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ | |
2279 "print histogram of the symbol table") \ | |
2280 \ | |
2281 notproduct(bool, ExitVMOnVerifyError, false, \ | |
2282 "standard exit from VM if bytecode verify error " \ | |
2283 "(only in debug mode)") \ | |
2284 \ | |
2285 notproduct(ccstr, AbortVMOnException, NULL, \ | |
2286 "Call fatal if this exception is thrown. Example: " \ | |
2287 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
2288 \ | |
2289 develop(bool, DebugVtables, false, \ | |
2290 "add debugging code to vtable dispatch") \ | |
2291 \ | |
2292 develop(bool, PrintVtables, false, \ | |
2293 "print vtables when printing klass") \ | |
2294 \ | |
2295 notproduct(bool, PrintVtableStats, false, \ | |
2296 "print vtables stats at end of run") \ | |
2297 \ | |
2298 develop(bool, TraceCreateZombies, false, \ | |
2299 "trace creation of zombie nmethods") \ | |
2300 \ | |
2301 notproduct(bool, IgnoreLockingAssertions, false, \ | |
2302 "disable locking assertions (for speed)") \ | |
2303 \ | |
2304 notproduct(bool, VerifyLoopOptimizations, false, \ | |
2305 "verify major loop optimizations") \ | |
2306 \ | |
2307 product(bool, RangeCheckElimination, true, \ | |
2308 "Split loop iterations to eliminate range checks") \ | |
2309 \ | |
2310 develop_pd(bool, UncommonNullCast, \ | |
2311 "track occurrences of null in casts; adjust compiler tactics") \ | |
2312 \ | |
2313 develop(bool, TypeProfileCasts, true, \ | |
2314 "treat casts like calls for purposes of type profiling") \ | |
2315 \ | |
2316 develop(bool, MonomorphicArrayCheck, true, \ | |
2317 "Uncommon-trap array store checks that require full type check") \ | |
2318 \ | |
2319 develop(bool, DelayCompilationDuringStartup, true, \ | |
2320 "Delay invoking the compiler until main application class is " \ | |
2321 "loaded") \ | |
2322 \ | |
2323 develop(bool, CompileTheWorld, false, \ | |
2324 "Compile all methods in all classes in bootstrap class path " \ | |
2325 "(stress test)") \ | |
2326 \ | |
2327 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
2328 "Preload all classes used by a class before start loading") \ | |
2329 \ | |
2330 notproduct(bool, CompileTheWorldIgnoreInitErrors, false, \ | |
2331 "Compile all methods although class initializer failed") \ | |
2332 \ | |
2333 develop(bool, TraceIterativeGVN, false, \ | |
2334 "Print progress during Iterative Global Value Numbering") \ | |
2335 \ | |
2336 develop(bool, FillDelaySlots, true, \ | |
2337 "Fill delay slots (on SPARC only)") \ | |
2338 \ | |
2339 develop(bool, VerifyIterativeGVN, false, \ | |
2340 "Verify Def-Use modifications during sparse Iterative Global " \ | |
2341 "Value Numbering") \ | |
2342 \ | |
2343 notproduct(bool, TracePhaseCCP, false, \ | |
2344 "Print progress during Conditional Constant Propagation") \ | |
2345 \ | |
2346 develop(bool, TimeLivenessAnalysis, false, \ | |
2347 "Time computation of bytecode liveness analysis") \ | |
2348 \ | |
2349 develop(bool, TraceLivenessGen, false, \ | |
2350 "Trace the generation of liveness analysis information") \ | |
2351 \ | |
2352 notproduct(bool, TraceLivenessQuery, false, \ | |
2353 "Trace queries of liveness analysis information") \ | |
2354 \ | |
2355 notproduct(bool, CollectIndexSetStatistics, false, \ | |
2356 "Collect information about IndexSets") \ | |
2357 \ | |
2358 develop(bool, PrintDominators, false, \ | |
2359 "Print out dominator trees for GVN") \ | |
2360 \ | |
2361 develop(bool, UseLoopSafepoints, true, \ | |
2362 "Generate Safepoint nodes in every loop") \ | |
2363 \ | |
2364 notproduct(bool, TraceCISCSpill, false, \ | |
2365 "Trace allocators use of cisc spillable instructions") \ | |
2366 \ | |
2367 notproduct(bool, TraceSpilling, false, \ | |
2368 "Trace spilling") \ | |
2369 \ | |
2370 develop(bool, DeutschShiffmanExceptions, true, \ | |
2371 "Fast check to find exception handler for precisely typed " \ | |
2372 "exceptions") \ | |
2373 \ | |
2374 product(bool, SplitIfBlocks, true, \ | |
2375 "Clone compares and control flow through merge points to fold " \ | |
2376 "some branches") \ | |
2377 \ | |
2378 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
2379 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
2380 "Inline allocations larger than this in doublewords must go slow")\ | |
2381 \ | |
2382 product(bool, AggressiveOpts, false, \ | |
2383 "Enable aggressive optimizations - see arguments.cpp") \ | |
2384 \ | |
192
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6714404: Add UseStringCache switch to enable String caching under AggressiveOpts
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diff
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|
2385 product(bool, UseStringCache, false, \ |
6d13fcb3663f
6714404: Add UseStringCache switch to enable String caching under AggressiveOpts
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diff
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|
2386 "Enable String cache capabilities on String.java") \ |
6d13fcb3663f
6714404: Add UseStringCache switch to enable String caching under AggressiveOpts
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diff
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|
2387 \ |
0 | 2388 /* statistics */ \ |
2389 develop(bool, UseVTune, false, \ | |
2390 "enable support for Intel's VTune profiler") \ | |
2391 \ | |
2392 develop(bool, CountCompiledCalls, false, \ | |
2393 "counts method invocations") \ | |
2394 \ | |
2395 notproduct(bool, CountRuntimeCalls, false, \ | |
2396 "counts VM runtime calls") \ | |
2397 \ | |
2398 develop(bool, CountJNICalls, false, \ | |
2399 "counts jni method invocations") \ | |
2400 \ | |
2401 notproduct(bool, CountJVMCalls, false, \ | |
2402 "counts jvm method invocations") \ | |
2403 \ | |
2404 notproduct(bool, CountRemovableExceptions, false, \ | |
2405 "count exceptions that could be replaced by branches due to " \ | |
2406 "inlining") \ | |
2407 \ | |
2408 notproduct(bool, ICMissHistogram, false, \ | |
2409 "produce histogram of IC misses") \ | |
2410 \ | |
2411 notproduct(bool, PrintClassStatistics, false, \ | |
2412 "prints class statistics at end of run") \ | |
2413 \ | |
2414 notproduct(bool, PrintMethodStatistics, false, \ | |
2415 "prints method statistics at end of run") \ | |
2416 \ | |
2417 /* interpreter */ \ | |
2418 develop(bool, ClearInterpreterLocals, false, \ | |
2419 "Always clear local variables of interpreter activations upon " \ | |
2420 "entry") \ | |
2421 \ | |
2422 product_pd(bool, RewriteBytecodes, \ | |
2423 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
2424 \ | |
2425 product_pd(bool, RewriteFrequentPairs, \ | |
2426 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
2427 \ | |
100
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6667042: PrintAssembly option does not work without special plugin
jrose
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diff
changeset
|
2428 diagnostic(bool, PrintInterpreter, false, \ |
0 | 2429 "Prints the generated interpreter code") \ |
2430 \ | |
2431 product(bool, UseInterpreter, true, \ | |
2432 "Use interpreter for non-compiled methods") \ | |
2433 \ | |
2434 develop(bool, UseFastSignatureHandlers, true, \ | |
2435 "Use fast signature handlers for native calls") \ | |
2436 \ | |
2437 develop(bool, UseV8InstrsOnly, false, \ | |
2438 "Use SPARC-V8 Compliant instruction subset") \ | |
2439 \ | |
2440 product(bool, UseNiagaraInstrs, false, \ | |
2441 "Use Niagara-efficient instruction subset") \ | |
2442 \ | |
2443 develop(bool, UseCASForSwap, false, \ | |
2444 "Do not use swap instructions, but only CAS (in a loop) on SPARC")\ | |
2445 \ | |
2446 product(bool, UseLoopCounter, true, \ | |
2447 "Increment invocation counter on backward branch") \ | |
2448 \ | |
2449 product(bool, UseFastEmptyMethods, true, \ | |
2450 "Use fast method entry code for empty methods") \ | |
2451 \ | |
2452 product(bool, UseFastAccessorMethods, true, \ | |
2453 "Use fast method entry code for accessor methods") \ | |
2454 \ | |
2455 product_pd(bool, UseOnStackReplacement, \ | |
2456 "Use on stack replacement, calls runtime if invoc. counter " \ | |
2457 "overflows in loop") \ | |
2458 \ | |
2459 notproduct(bool, TraceOnStackReplacement, false, \ | |
2460 "Trace on stack replacement") \ | |
2461 \ | |
2462 develop(bool, PoisonOSREntry, true, \ | |
2463 "Detect abnormal calls to OSR code") \ | |
2464 \ | |
2465 product_pd(bool, PreferInterpreterNativeStubs, \ | |
2466 "Use always interpreter stubs for native methods invoked via " \ | |
2467 "interpreter") \ | |
2468 \ | |
2469 develop(bool, CountBytecodes, false, \ | |
2470 "Count number of bytecodes executed") \ | |
2471 \ | |
2472 develop(bool, PrintBytecodeHistogram, false, \ | |
2473 "Print histogram of the executed bytecodes") \ | |
2474 \ | |
2475 develop(bool, PrintBytecodePairHistogram, false, \ | |
2476 "Print histogram of the executed bytecode pairs") \ | |
2477 \ | |
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
76
diff
changeset
|
2478 diagnostic(bool, PrintSignatureHandlers, false, \ |
0 | 2479 "Print code generated for native method signature handlers") \ |
2480 \ | |
2481 develop(bool, VerifyOops, false, \ | |
2482 "Do plausibility checks for oops") \ | |
2483 \ | |
2484 develop(bool, CheckUnhandledOops, false, \ | |
2485 "Check for unhandled oops in VM code") \ | |
2486 \ | |
2487 develop(bool, VerifyJNIFields, trueInDebug, \ | |
2488 "Verify jfieldIDs for instance fields") \ | |
2489 \ | |
2490 notproduct(bool, VerifyJNIEnvThread, false, \ | |
2491 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
2492 "from JNI") \ | |
2493 \ | |
2494 develop(bool, VerifyFPU, false, \ | |
2495 "Verify FPU state (check for NaN's, etc.)") \ | |
2496 \ | |
2497 develop(bool, VerifyThread, false, \ | |
2498 "Watch the thread register for corruption (SPARC only)") \ | |
2499 \ | |
2500 develop(bool, VerifyActivationFrameSize, false, \ | |
2501 "Verify that activation frame didn't become smaller than its " \ | |
2502 "minimal size") \ | |
2503 \ | |
2504 develop(bool, TraceFrequencyInlining, false, \ | |
2505 "Trace frequency based inlining") \ | |
2506 \ | |
2507 notproduct(bool, TraceTypeProfile, false, \ | |
2508 "Trace type profile") \ | |
2509 \ | |
2510 develop_pd(bool, InlineIntrinsics, \ | |
2511 "Inline intrinsics that can be statically resolved") \ | |
2512 \ | |
2513 product_pd(bool, ProfileInterpreter, \ | |
2514 "Profile at the bytecode level during interpretation") \ | |
2515 \ | |
2516 develop_pd(bool, ProfileTraps, \ | |
2517 "Profile deoptimization traps at the bytecode level") \ | |
2518 \ | |
2519 product(intx, ProfileMaturityPercentage, 20, \ | |
2520 "number of method invocations/branches (expressed as % of " \ | |
2521 "CompileThreshold) before using the method's profile") \ | |
2522 \ | |
2523 develop(bool, PrintMethodData, false, \ | |
2524 "Print the results of +ProfileInterpreter at end of run") \ | |
2525 \ | |
2526 develop(bool, VerifyDataPointer, trueInDebug, \ | |
2527 "Verify the method data pointer during interpreter profiling") \ | |
2528 \ | |
2529 develop(bool, VerifyCompiledCode, false, \ | |
2530 "Include miscellaneous runtime verifications in nmethod code; " \ | |
2531 "off by default because it disturbs nmethod size heuristics.") \ | |
2532 \ | |
2533 \ | |
2534 /* compilation */ \ | |
2535 product(bool, UseCompiler, true, \ | |
2536 "use compilation") \ | |
2537 \ | |
2538 develop(bool, TraceCompilationPolicy, false, \ | |
2539 "Trace compilation policy") \ | |
2540 \ | |
2541 develop(bool, TimeCompilationPolicy, false, \ | |
2542 "Time the compilation policy") \ | |
2543 \ | |
2544 product(bool, UseCounterDecay, true, \ | |
2545 "adjust recompilation counters") \ | |
2546 \ | |
2547 develop(intx, CounterHalfLifeTime, 30, \ | |
2548 "half-life time of invocation counters (in secs)") \ | |
2549 \ | |
2550 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
2551 "Min. ms. between invocation of CounterDecay") \ | |
2552 \ | |
2553 product(bool, AlwaysCompileLoopMethods, false, \ | |
2554 "when using recompilation, never interpret methods " \ | |
2555 "containing loops") \ | |
2556 \ | |
2557 product(bool, DontCompileHugeMethods, true, \ | |
2558 "don't compile methods > HugeMethodLimit") \ | |
2559 \ | |
2560 /* Bytecode escape analysis estimation. */ \ | |
2561 product(bool, EstimateArgEscape, true, \ | |
2562 "Analyze bytecodes to estimate escape state of arguments") \ | |
2563 \ | |
2564 product(intx, BCEATraceLevel, 0, \ | |
2565 "How much tracing to do of bytecode escape analysis estimates") \ | |
2566 \ | |
2567 product(intx, MaxBCEAEstimateLevel, 5, \ | |
2568 "Maximum number of nested calls that are analyzed by BC EA.") \ | |
2569 \ | |
2570 product(intx, MaxBCEAEstimateSize, 150, \ | |
2571 "Maximum bytecode size of a method to be analyzed by BC EA.") \ | |
2572 \ | |
2573 product(intx, AllocatePrefetchStyle, 1, \ | |
2574 "0 = no prefetch, " \ | |
2575 "1 = prefetch instructions for each allocation, " \ | |
2576 "2 = use TLAB watermark to gate allocation prefetch") \ | |
2577 \ | |
2578 product(intx, AllocatePrefetchDistance, -1, \ | |
2579 "Distance to prefetch ahead of allocation pointer") \ | |
2580 \ | |
2581 product(intx, AllocatePrefetchLines, 1, \ | |
2582 "Number of lines to prefetch ahead of allocation pointer") \ | |
2583 \ | |
2584 product(intx, AllocatePrefetchStepSize, 16, \ | |
2585 "Step size in bytes of sequential prefetch instructions") \ | |
2586 \ | |
2587 product(intx, AllocatePrefetchInstr, 0, \ | |
2588 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
2589 \ | |
2590 product(intx, ReadPrefetchInstr, 0, \ | |
2591 "Prefetch instruction to prefetch ahead") \ | |
2592 \ | |
2593 /* deoptimization */ \ | |
2594 develop(bool, TraceDeoptimization, false, \ | |
2595 "Trace deoptimization") \ | |
2596 \ | |
2597 develop(bool, DebugDeoptimization, false, \ | |
2598 "Tracing various information while debugging deoptimization") \ | |
2599 \ | |
2600 product(intx, SelfDestructTimer, 0, \ | |
2601 "Will cause VM to terminate after a given time (in minutes) " \ | |
2602 "(0 means off)") \ | |
2603 \ | |
2604 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
2605 "Max. no. of lines in the stack trace for Java exceptions " \ | |
2606 "(0 means all)") \ | |
2607 \ | |
2608 develop(intx, GuaranteedSafepointInterval, 1000, \ | |
2609 "Guarantee a safepoint (at least) every so many milliseconds " \ | |
2610 "(0 means none)") \ | |
2611 \ | |
2612 product(intx, SafepointTimeoutDelay, 10000, \ | |
2613 "Delay in milliseconds for option SafepointTimeout") \ | |
2614 \ | |
2615 product(intx, NmethodSweepFraction, 4, \ | |
2616 "Number of invocations of sweeper to cover all nmethods") \ | |
2617 \ | |
2618 notproduct(intx, MemProfilingInterval, 500, \ | |
2619 "Time between each invocation of the MemProfiler") \ | |
2620 \ | |
2621 develop(intx, MallocCatchPtr, -1, \ | |
2622 "Hit breakpoint when mallocing/freeing this pointer") \ | |
2623 \ | |
2624 notproduct(intx, AssertRepeat, 1, \ | |
2625 "number of times to evaluate expression in assert " \ | |
2626 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
2627 \ | |
2628 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
2629 "List of assertions (file:line) to muzzle") \ | |
2630 \ | |
2631 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
2632 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
2633 "is used") \ | |
2634 \ | |
2635 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
2636 "Threshold for total handle allocation when " \ | |
2637 "+TraceHandleAllocation is used") \ | |
2638 \ | |
2639 develop(intx, StackPrintLimit, 100, \ | |
2640 "number of stack frames to print in VM-level stack dump") \ | |
2641 \ | |
2642 notproduct(intx, MaxElementPrintSize, 256, \ | |
2643 "maximum number of elements to print") \ | |
2644 \ | |
2645 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
2646 "maximum number of subklasses to print when printing klass") \ | |
2647 \ | |
2648 develop(intx, MaxInlineLevel, 9, \ | |
2649 "maximum number of nested calls that are inlined") \ | |
2650 \ | |
2651 develop(intx, MaxRecursiveInlineLevel, 1, \ | |
2652 "maximum number of nested recursive calls that are inlined") \ | |
2653 \ | |
675 | 2654 product_pd(intx, InlineSmallCode, \ |
0 | 2655 "Only inline already compiled methods if their code size is " \ |
2656 "less than this") \ | |
2657 \ | |
2658 product(intx, MaxInlineSize, 35, \ | |
2659 "maximum bytecode size of a method to be inlined") \ | |
2660 \ | |
2661 product_pd(intx, FreqInlineSize, \ | |
2662 "maximum bytecode size of a frequent method to be inlined") \ | |
2663 \ | |
2664 develop(intx, MaxTrivialSize, 6, \ | |
2665 "maximum bytecode size of a trivial method to be inlined") \ | |
2666 \ | |
2667 develop(intx, MinInliningThreshold, 250, \ | |
2668 "min. invocation count a method needs to have to be inlined") \ | |
2669 \ | |
2670 develop(intx, AlignEntryCode, 4, \ | |
2671 "aligns entry code to specified value (in bytes)") \ | |
2672 \ | |
2673 develop(intx, MethodHistogramCutoff, 100, \ | |
2674 "cutoff value for method invoc. histogram (+CountCalls)") \ | |
2675 \ | |
2676 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
2677 "# of interpreted methods to show in profile") \ | |
2678 \ | |
2679 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
2680 "# of compiled methods to show in profile") \ | |
2681 \ | |
2682 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
2683 "# of stub methods to show in profile") \ | |
2684 \ | |
2685 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
2686 "# of runtime stub nodes to show in profile") \ | |
2687 \ | |
2688 product(intx, ProfileIntervalsTicks, 100, \ | |
2689 "# of ticks between printing of interval profile " \ | |
2690 "(+ProfileIntervals)") \ | |
2691 \ | |
2692 notproduct(intx, ScavengeALotInterval, 1, \ | |
2693 "Interval between which scavenge will occur with +ScavengeALot") \ | |
2694 \ | |
2695 notproduct(intx, FullGCALotInterval, 1, \ | |
2696 "Interval between which full gc will occur with +FullGCALot") \ | |
2697 \ | |
2698 notproduct(intx, FullGCALotStart, 0, \ | |
2699 "For which invocation to start FullGCAlot") \ | |
2700 \ | |
2701 notproduct(intx, FullGCALotDummies, 32*K, \ | |
2702 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
2703 "to move") \ | |
2704 \ | |
2705 develop(intx, DontYieldALotInterval, 10, \ | |
2706 "Interval between which yields will be dropped (milliseconds)") \ | |
2707 \ | |
2708 develop(intx, MinSleepInterval, 1, \ | |
2709 "Minimum sleep() interval (milliseconds) when " \ | |
2710 "ConvertSleepToYield is off (used for SOLARIS)") \ | |
2711 \ | |
2712 product(intx, EventLogLength, 2000, \ | |
2713 "maximum nof events in event log") \ | |
2714 \ | |
2715 develop(intx, ProfilerPCTickThreshold, 15, \ | |
2716 "Number of ticks in a PC buckets to be a hotspot") \ | |
2717 \ | |
2718 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
2719 "Number of exits until DeoptimizeALot kicks in") \ | |
2720 \ | |
2721 notproduct(intx, ZombieALotInterval, 5, \ | |
2722 "Number of exits until ZombieALot kicks in") \ | |
2723 \ | |
2724 develop(bool, StressNonEntrant, false, \ | |
2725 "Mark nmethods non-entrant at registration") \ | |
2726 \ | |
2727 diagnostic(intx, MallocVerifyInterval, 0, \ | |
2728 "if non-zero, verify C heap after every N calls to " \ | |
2729 "malloc/realloc/free") \ | |
2730 \ | |
2731 diagnostic(intx, MallocVerifyStart, 0, \ | |
2732 "if non-zero, start verifying C heap after Nth call to " \ | |
2733 "malloc/realloc/free") \ | |
2734 \ | |
2735 product(intx, TypeProfileWidth, 2, \ | |
2736 "number of receiver types to record in call/cast profile") \ | |
2737 \ | |
2738 develop(intx, BciProfileWidth, 2, \ | |
2739 "number of return bci's to record in ret profile") \ | |
2740 \ | |
2741 product(intx, PerMethodRecompilationCutoff, 400, \ | |
2742 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
2743 \ | |
2744 product(intx, PerBytecodeRecompilationCutoff, 100, \ | |
2745 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ | |
2746 \ | |
2747 product(intx, PerMethodTrapLimit, 100, \ | |
2748 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
2749 \ | |
2750 product(intx, PerBytecodeTrapLimit, 4, \ | |
2751 "Limit on traps (of one kind) at a particular BCI") \ | |
2752 \ | |
2753 develop(intx, FreqCountInvocations, 1, \ | |
2754 "Scaling factor for branch frequencies (deprecated)") \ | |
2755 \ | |
2756 develop(intx, InlineFrequencyRatio, 20, \ | |
2757 "Ratio of call site execution to caller method invocation") \ | |
2758 \ | |
2759 develop_pd(intx, InlineFrequencyCount, \ | |
2760 "Count of call site execution necessary to trigger frequent " \ | |
2761 "inlining") \ | |
2762 \ | |
2763 develop(intx, InlineThrowCount, 50, \ | |
2764 "Force inlining of interpreted methods that throw this often") \ | |
2765 \ | |
2766 develop(intx, InlineThrowMaxSize, 200, \ | |
2767 "Force inlining of throwing methods smaller than this") \ | |
2768 \ | |
2769 product(intx, AliasLevel, 3, \ | |
2770 "0 for no aliasing, 1 for oop/field/static/array split, " \ | |
2771 "2 for class split, 3 for unique instances") \ | |
2772 \ | |
2773 develop(bool, VerifyAliases, false, \ | |
2774 "perform extra checks on the results of alias analysis") \ | |
2775 \ | |
2776 develop(intx, ProfilerNodeSize, 1024, \ | |
2777 "Size in K to allocate for the Profile Nodes of each thread") \ | |
2778 \ | |
2779 develop(intx, V8AtomicOperationUnderLockSpinCount, 50, \ | |
2780 "Number of times to spin wait on a v8 atomic operation lock") \ | |
2781 \ | |
2782 product(intx, ReadSpinIterations, 100, \ | |
2783 "Number of read attempts before a yield (spin inner loop)") \ | |
2784 \ | |
2785 product_pd(intx, PreInflateSpin, \ | |
2786 "Number of times to spin wait before inflation") \ | |
2787 \ | |
2788 product(intx, PreBlockSpin, 10, \ | |
2789 "Number of times to spin in an inflated lock before going to " \ | |
2790 "an OS lock") \ | |
2791 \ | |
2792 /* gc parameters */ \ | |
2793 product(uintx, MaxHeapSize, ScaleForWordSize(64*M), \ | |
2794 "Default maximum size for object heap (in bytes)") \ | |
2795 \ | |
2796 product_pd(uintx, NewSize, \ | |
2797 "Default size of new generation (in bytes)") \ | |
2798 \ | |
2799 product(uintx, MaxNewSize, max_uintx, \ | |
2800 "Maximum size of new generation (in bytes)") \ | |
2801 \ | |
2802 product(uintx, PretenureSizeThreshold, 0, \ | |
2803 "Max size in bytes of objects allocated in DefNew generation") \ | |
2804 \ | |
2805 product_pd(uintx, TLABSize, \ | |
2806 "Default (or starting) size of TLAB (in bytes)") \ | |
2807 \ | |
2808 product(uintx, MinTLABSize, 2*K, \ | |
2809 "Minimum allowed TLAB size (in bytes)") \ | |
2810 \ | |
2811 product(uintx, TLABAllocationWeight, 35, \ | |
2812 "Allocation averaging weight") \ | |
2813 \ | |
2814 product(uintx, TLABWasteTargetPercent, 1, \ | |
2815 "Percentage of Eden that can be wasted") \ | |
2816 \ | |
2817 product(uintx, TLABRefillWasteFraction, 64, \ | |
2818 "Max TLAB waste at a refill (internal fragmentation)") \ | |
2819 \ | |
2820 product(uintx, TLABWasteIncrement, 4, \ | |
2821 "Increment allowed waste at slow allocation") \ | |
2822 \ | |
2823 product_pd(intx, SurvivorRatio, \ | |
2824 "Ratio of eden/survivor space size") \ | |
2825 \ | |
2826 product_pd(intx, NewRatio, \ | |
2827 "Ratio of new/old generation sizes") \ | |
2828 \ | |
2829 product(uintx, MaxLiveObjectEvacuationRatio, 100, \ | |
2830 "Max percent of eden objects that will be live at scavenge") \ | |
2831 \ | |
2832 product_pd(uintx, NewSizeThreadIncrease, \ | |
2833 "Additional size added to desired new generation size per " \ | |
2834 "non-daemon thread (in bytes)") \ | |
2835 \ | |
2836 product(uintx, OldSize, ScaleForWordSize(4096*K), \ | |
2837 "Default size of tenured generation (in bytes)") \ | |
2838 \ | |
2839 product_pd(uintx, PermSize, \ | |
2840 "Default size of permanent generation (in bytes)") \ | |
2841 \ | |
2842 product_pd(uintx, MaxPermSize, \ | |
2843 "Maximum size of permanent generation (in bytes)") \ | |
2844 \ | |
2845 product(uintx, MinHeapFreeRatio, 40, \ | |
2846 "Min percentage of heap free after GC to avoid expansion") \ | |
2847 \ | |
2848 product(uintx, MaxHeapFreeRatio, 70, \ | |
2849 "Max percentage of heap free after GC to avoid shrinking") \ | |
2850 \ | |
2851 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
2852 "Number of milliseconds per MB of free space in the heap") \ | |
2853 \ | |
2854 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
2855 "Min change in heap space due to GC (in bytes)") \ | |
2856 \ | |
2857 product(uintx, MinPermHeapExpansion, ScaleForWordSize(256*K), \ | |
2858 "Min expansion of permanent heap (in bytes)") \ | |
2859 \ | |
2860 product(uintx, MaxPermHeapExpansion, ScaleForWordSize(4*M), \ | |
2861 "Max expansion of permanent heap without full GC (in bytes)") \ | |
2862 \ | |
2863 product(intx, QueuedAllocationWarningCount, 0, \ | |
2864 "Number of times an allocation that queues behind a GC " \ | |
2865 "will retry before printing a warning") \ | |
2866 \ | |
2867 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
2868 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
2869 \ | |
2870 diagnostic(intx, VerifyGCLevel, 0, \ | |
2871 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
2872 \ | |
2873 develop(uintx, ExitAfterGCNum, 0, \ | |
2874 "If non-zero, exit after this GC.") \ | |
2875 \ | |
2876 product(intx, MaxTenuringThreshold, 15, \ | |
2877 "Maximum value for tenuring threshold") \ | |
2878 \ | |
2879 product(intx, InitialTenuringThreshold, 7, \ | |
2880 "Initial value for tenuring threshold") \ | |
2881 \ | |
2882 product(intx, TargetSurvivorRatio, 50, \ | |
2883 "Desired percentage of survivor space used after scavenge") \ | |
2884 \ | |
438 | 2885 product(uintx, MarkSweepDeadRatio, 5, \ |
0 | 2886 "Percentage (0-100) of the old gen allowed as dead wood." \ |
2887 "Serial mark sweep treats this as both the min and max value." \ | |
2888 "CMS uses this value only if it falls back to mark sweep." \ | |
2889 "Par compact uses a variable scale based on the density of the" \ | |
2890 "generation and treats this as the max value when the heap is" \ | |
2891 "either completely full or completely empty. Par compact also" \ | |
2892 "has a smaller default value; see arguments.cpp.") \ | |
2893 \ | |
438 | 2894 product(uintx, PermMarkSweepDeadRatio, 20, \ |
0 | 2895 "Percentage (0-100) of the perm gen allowed as dead wood." \ |
2896 "See MarkSweepDeadRatio for collector-specific comments.") \ | |
2897 \ | |
2898 product(intx, MarkSweepAlwaysCompactCount, 4, \ | |
2899 "How often should we fully compact the heap (ignoring the dead " \ | |
2900 "space parameters)") \ | |
2901 \ | |
2902 product(intx, PrintCMSStatistics, 0, \ | |
2903 "Statistics for CMS") \ | |
2904 \ | |
2905 product(bool, PrintCMSInitiationStatistics, false, \ | |
2906 "Statistics for initiating a CMS collection") \ | |
2907 \ | |
2908 product(intx, PrintFLSStatistics, 0, \ | |
2909 "Statistics for CMS' FreeListSpace") \ | |
2910 \ | |
2911 product(intx, PrintFLSCensus, 0, \ | |
2912 "Census for CMS' FreeListSpace") \ | |
2913 \ | |
2914 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
2915 "Delay in ms between expansion and allocation") \ | |
2916 \ | |
2917 product(intx, DeferThrSuspendLoopCount, 4000, \ | |
2918 "(Unstable) Number of times to iterate in safepoint loop " \ | |
2919 " before blocking VM threads ") \ | |
2920 \ | |
2921 product(intx, DeferPollingPageLoopCount, -1, \ | |
2922 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
2923 "before changing safepoint polling page to RO ") \ | |
2924 \ | |
2925 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ | |
2926 \ | |
2927 product(bool, UseDepthFirstScavengeOrder, true, \ | |
2928 "true: the scavenge order will be depth-first, " \ | |
2929 "false: the scavenge order will be breadth-first") \ | |
2930 \ | |
2931 product(bool, PSChunkLargeArrays, true, \ | |
2932 "true: process large arrays in chunks") \ | |
2933 \ | |
2934 product(uintx, GCDrainStackTargetSize, 64, \ | |
2935 "how many entries we'll try to leave on the stack during " \ | |
2936 "parallel GC") \ | |
2937 \ | |
2938 /* stack parameters */ \ | |
2939 product_pd(intx, StackYellowPages, \ | |
2940 "Number of yellow zone (recoverable overflows) pages") \ | |
2941 \ | |
2942 product_pd(intx, StackRedPages, \ | |
2943 "Number of red zone (unrecoverable overflows) pages") \ | |
2944 \ | |
2945 product_pd(intx, StackShadowPages, \ | |
2946 "Number of shadow zone (for overflow checking) pages" \ | |
2947 " this should exceed the depth of the VM and native call stack") \ | |
2948 \ | |
2949 product_pd(intx, ThreadStackSize, \ | |
2950 "Thread Stack Size (in Kbytes)") \ | |
2951 \ | |
2952 product_pd(intx, VMThreadStackSize, \ | |
2953 "Non-Java Thread Stack Size (in Kbytes)") \ | |
2954 \ | |
2955 product_pd(intx, CompilerThreadStackSize, \ | |
2956 "Compiler Thread Stack Size (in Kbytes)") \ | |
2957 \ | |
2958 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
2959 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
2960 \ | |
2961 product(uintx, ThreadSafetyMargin, 50*M, \ | |
2962 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
2963 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
2964 "disable this feature") \ | |
2965 \ | |
2966 /* code cache parameters */ \ | |
2967 develop(uintx, CodeCacheSegmentSize, 64, \ | |
2968 "Code cache segment size (in bytes) - smallest unit of " \ | |
2969 "allocation") \ | |
2970 \ | |
2971 develop_pd(intx, CodeEntryAlignment, \ | |
2972 "Code entry alignment for generated code (in bytes)") \ | |
2973 \ | |
2974 product_pd(uintx, InitialCodeCacheSize, \ | |
2975 "Initial code cache size (in bytes)") \ | |
2976 \ | |
2977 product_pd(uintx, ReservedCodeCacheSize, \ | |
2978 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
2979 \ | |
2980 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
2981 "When less than X space left, we stop compiling.") \ | |
2982 \ | |
2983 product_pd(uintx, CodeCacheExpansionSize, \ | |
2984 "Code cache expansion size (in bytes)") \ | |
2985 \ | |
2986 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
2987 "Minimum number of segments in a code cache block.") \ | |
2988 \ | |
2989 notproduct(bool, ExitOnFullCodeCache, false, \ | |
2990 "Exit the VM if we fill the code cache.") \ | |
2991 \ | |
2992 /* interpreter debugging */ \ | |
2993 develop(intx, BinarySwitchThreshold, 5, \ | |
2994 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
2995 "switch") \ | |
2996 \ | |
2997 develop(intx, StopInterpreterAt, 0, \ | |
2998 "Stops interpreter execution at specified bytecode number") \ | |
2999 \ | |
3000 develop(intx, TraceBytecodesAt, 0, \ | |
3001 "Traces bytecodes starting with specified bytecode number") \ | |
3002 \ | |
3003 /* compiler interface */ \ | |
3004 develop(intx, CIStart, 0, \ | |
3005 "the id of the first compilation to permit") \ | |
3006 \ | |
3007 develop(intx, CIStop, -1, \ | |
3008 "the id of the last compilation to permit") \ | |
3009 \ | |
3010 develop(intx, CIStartOSR, 0, \ | |
3011 "the id of the first osr compilation to permit " \ | |
3012 "(CICountOSR must be on)") \ | |
3013 \ | |
3014 develop(intx, CIStopOSR, -1, \ | |
3015 "the id of the last osr compilation to permit " \ | |
3016 "(CICountOSR must be on)") \ | |
3017 \ | |
3018 develop(intx, CIBreakAtOSR, -1, \ | |
3019 "id of osr compilation to break at") \ | |
3020 \ | |
3021 develop(intx, CIBreakAt, -1, \ | |
3022 "id of compilation to break at") \ | |
3023 \ | |
3024 product(ccstrlist, CompileOnly, "", \ | |
3025 "List of methods (pkg/class.name) to restrict compilation to") \ | |
3026 \ | |
3027 product(ccstr, CompileCommandFile, NULL, \ | |
3028 "Read compiler commands from this file [.hotspot_compiler]") \ | |
3029 \ | |
3030 product(ccstrlist, CompileCommand, "", \ | |
3031 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
3032 \ | |
3033 product(bool, CICompilerCountPerCPU, false, \ | |
3034 "1 compiler thread for log(N CPUs)") \ | |
3035 \ | |
3036 develop(intx, CIFireOOMAt, -1, \ | |
3037 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
3038 "(non-negative value throws OOM after this many CI accesses " \ | |
3039 "in each compile)") \ | |
3040 \ | |
3041 develop(intx, CIFireOOMAtDelay, -1, \ | |
3042 "Wait for this many CI accesses to occur in all compiles before " \ | |
3043 "beginning to throw OutOfMemoryErrors in each compile") \ | |
3044 \ | |
909
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3045 notproduct(bool, CIObjectFactoryVerify, false, \ |
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3046 "enable potentially expensive verification in ciObjectFactory") \ |
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3047 \ |
0 | 3048 /* Priorities */ \ |
3049 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
3050 \ | |
3051 product(intx, ThreadPriorityPolicy, 0, \ | |
3052 "0 : Normal. "\ | |
3053 " VM chooses priorities that are appropriate for normal "\ | |
3054 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
3055 " to normal native priority. Java priorities below NORM_PRIORITY"\ | |
3056 " map to lower native priority values. On Windows applications"\ | |
3057 " are allowed to use higher native priorities. However, with "\ | |
3058 " ThreadPriorityPolicy=0, VM will not use the highest possible"\ | |
3059 " native priority, THREAD_PRIORITY_TIME_CRITICAL, as it may "\ | |
3060 " interfere with system threads. On Linux thread priorities "\ | |
3061 " are ignored because the OS does not support static priority "\ | |
3062 " in SCHED_OTHER scheduling class which is the only choice for"\ | |
3063 " non-root, non-realtime applications. "\ | |
3064 "1 : Aggressive. "\ | |
3065 " Java thread priorities map over to the entire range of "\ | |
3066 " native thread priorities. Higher Java thread priorities map "\ | |
3067 " to higher native thread priorities. This policy should be "\ | |
3068 " used with care, as sometimes it can cause performance "\ | |
3069 " degradation in the application and/or the entire system. On "\ | |
3070 " Linux this policy requires root privilege.") \ | |
3071 \ | |
3072 product(bool, ThreadPriorityVerbose, false, \ | |
3073 "print priority changes") \ | |
3074 \ | |
3075 product(intx, DefaultThreadPriority, -1, \ | |
3076 "what native priority threads run at if not specified elsewhere (-1 means no change)") \ | |
3077 \ | |
3078 product(intx, CompilerThreadPriority, -1, \ | |
3079 "what priority should compiler threads run at (-1 means no change)") \ | |
3080 \ | |
3081 product(intx, VMThreadPriority, -1, \ | |
3082 "what priority should VM threads run at (-1 means no change)") \ | |
3083 \ | |
3084 product(bool, CompilerThreadHintNoPreempt, true, \ | |
3085 "(Solaris only) Give compiler threads an extra quanta") \ | |
3086 \ | |
3087 product(bool, VMThreadHintNoPreempt, false, \ | |
3088 "(Solaris only) Give VM thread an extra quanta") \ | |
3089 \ | |
3090 product(intx, JavaPriority1_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3091 product(intx, JavaPriority2_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3092 product(intx, JavaPriority3_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3093 product(intx, JavaPriority4_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3094 product(intx, JavaPriority5_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3095 product(intx, JavaPriority6_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3096 product(intx, JavaPriority7_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3097 product(intx, JavaPriority8_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3098 product(intx, JavaPriority9_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
3099 product(intx, JavaPriority10_To_OSPriority,-1, "Map Java priorities to OS priorities") \ | |
3100 \ | |
3101 /* compiler debugging */ \ | |
3102 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
3103 "First class to consider when using +CompileTheWorld") \ | |
3104 \ | |
3105 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
3106 "Last class to consider when using +CompileTheWorld") \ | |
3107 \ | |
3108 develop(intx, NewCodeParameter, 0, \ | |
3109 "Testing Only: Create a dedicated integer parameter before " \ | |
3110 "putback") \ | |
3111 \ | |
3112 /* new oopmap storage allocation */ \ | |
3113 develop(intx, MinOopMapAllocation, 8, \ | |
3114 "Minimum number of OopMap entries in an OopMapSet") \ | |
3115 \ | |
3116 /* Background Compilation */ \ | |
3117 develop(intx, LongCompileThreshold, 50, \ | |
3118 "Used with +TraceLongCompiles") \ | |
3119 \ | |
3120 product(intx, StarvationMonitorInterval, 200, \ | |
3121 "Pause between each check in ms") \ | |
3122 \ | |
3123 /* recompilation */ \ | |
3124 product_pd(intx, CompileThreshold, \ | |
3125 "number of interpreted method invocations before (re-)compiling") \ | |
3126 \ | |
3127 product_pd(intx, BackEdgeThreshold, \ | |
3128 "Interpreter Back edge threshold at which an OSR compilation is invoked")\ | |
3129 \ | |
3130 product(intx, Tier1BytecodeLimit, 10, \ | |
3131 "Must have at least this many bytecodes before tier1" \ | |
3132 "invocation counters are used") \ | |
3133 \ | |
3134 product_pd(intx, Tier2CompileThreshold, \ | |
3135 "threshold at which a tier 2 compilation is invoked") \ | |
3136 \ | |
3137 product_pd(intx, Tier2BackEdgeThreshold, \ | |
3138 "Back edge threshold at which a tier 2 compilation is invoked") \ | |
3139 \ | |
3140 product_pd(intx, Tier3CompileThreshold, \ | |
3141 "threshold at which a tier 3 compilation is invoked") \ | |
3142 \ | |
3143 product_pd(intx, Tier3BackEdgeThreshold, \ | |
3144 "Back edge threshold at which a tier 3 compilation is invoked") \ | |
3145 \ | |
3146 product_pd(intx, Tier4CompileThreshold, \ | |
3147 "threshold at which a tier 4 compilation is invoked") \ | |
3148 \ | |
3149 product_pd(intx, Tier4BackEdgeThreshold, \ | |
3150 "Back edge threshold at which a tier 4 compilation is invoked") \ | |
3151 \ | |
3152 product_pd(bool, TieredCompilation, \ | |
3153 "Enable two-tier compilation") \ | |
3154 \ | |
3155 product(bool, StressTieredRuntime, false, \ | |
3156 "Alternate client and server compiler on compile requests") \ | |
3157 \ | |
3158 product_pd(intx, OnStackReplacePercentage, \ | |
3159 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
3160 "of CompileThreshold) before (re-)compiling OSR code") \ | |
3161 \ | |
3162 product(intx, InterpreterProfilePercentage, 33, \ | |
3163 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
3164 "of CompileThreshold) before profiling in the interpreter") \ | |
3165 \ | |
3166 develop(intx, MaxRecompilationSearchLength, 10, \ | |
3167 "max. # frames to inspect searching for recompilee") \ | |
3168 \ | |
3169 develop(intx, MaxInterpretedSearchLength, 3, \ | |
3170 "max. # interp. frames to skip when searching for recompilee") \ | |
3171 \ | |
3172 develop(intx, DesiredMethodLimit, 8000, \ | |
3173 "desired max. method size (in bytecodes) after inlining") \ | |
3174 \ | |
3175 develop(intx, HugeMethodLimit, 8000, \ | |
3176 "don't compile methods larger than this if " \ | |
3177 "+DontCompileHugeMethods") \ | |
3178 \ | |
3179 /* New JDK 1.4 reflection implementation */ \ | |
3180 \ | |
3181 develop(bool, UseNewReflection, true, \ | |
3182 "Temporary flag for transition to reflection based on dynamic " \ | |
3183 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
3184 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
3185 "changes were needed") \ | |
3186 \ | |
3187 develop(bool, VerifyReflectionBytecodes, false, \ | |
3188 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
3189 "in situations like that described in 4486457 or for " \ | |
3190 "constructors generated for serialization, so can not be enabled "\ | |
3191 "in product.") \ | |
3192 \ | |
3193 product(bool, ReflectionWrapResolutionErrors, true, \ | |
3194 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
3195 "in InvocationTargetException. See 6531596") \ | |
3196 \ | |
3197 \ | |
3198 develop(intx, FastSuperclassLimit, 8, \ | |
3199 "Depth of hardwired instanceof accelerator array") \ | |
3200 \ | |
3201 /* Properties for Java libraries */ \ | |
3202 \ | |
3203 product(intx, MaxDirectMemorySize, -1, \ | |
3204 "Maximum total size of NIO direct-buffer allocations") \ | |
3205 \ | |
3206 /* temporary developer defined flags */ \ | |
3207 \ | |
3208 diagnostic(bool, UseNewCode, false, \ | |
3209 "Testing Only: Use the new version while testing") \ | |
3210 \ | |
3211 diagnostic(bool, UseNewCode2, false, \ | |
3212 "Testing Only: Use the new version while testing") \ | |
3213 \ | |
3214 diagnostic(bool, UseNewCode3, false, \ | |
3215 "Testing Only: Use the new version while testing") \ | |
3216 \ | |
3217 /* flags for performance data collection */ \ | |
3218 \ | |
3219 product(bool, UsePerfData, true, \ | |
3220 "Flag to disable jvmstat instrumentation for performance testing" \ | |
3221 "and problem isolation purposes.") \ | |
3222 \ | |
3223 product(bool, PerfDataSaveToFile, false, \ | |
3224 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
3225 \ | |
3226 product(ccstr, PerfDataSaveFile, NULL, \ | |
3227 "Save PerfData memory to the specified absolute pathname," \ | |
3228 "%p in the file name if present will be replaced by pid") \ | |
3229 \ | |
3230 product(intx, PerfDataSamplingInterval, 50 /*ms*/, \ | |
3231 "Data sampling interval in milliseconds") \ | |
3232 \ | |
3233 develop(bool, PerfTraceDataCreation, false, \ | |
3234 "Trace creation of Performance Data Entries") \ | |
3235 \ | |
3236 develop(bool, PerfTraceMemOps, false, \ | |
3237 "Trace PerfMemory create/attach/detach calls") \ | |
3238 \ | |
3239 product(bool, PerfDisableSharedMem, false, \ | |
3240 "Store performance data in standard memory") \ | |
3241 \ | |
3242 product(intx, PerfDataMemorySize, 32*K, \ | |
3243 "Size of performance data memory region. Will be rounded " \ | |
3244 "up to a multiple of the native os page size.") \ | |
3245 \ | |
3246 product(intx, PerfMaxStringConstLength, 1024, \ | |
3247 "Maximum PerfStringConstant string length before truncation") \ | |
3248 \ | |
3249 product(bool, PerfAllowAtExitRegistration, false, \ | |
3250 "Allow registration of atexit() methods") \ | |
3251 \ | |
3252 product(bool, PerfBypassFileSystemCheck, false, \ | |
3253 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
3254 \ | |
3255 product(intx, UnguardOnExecutionViolation, 0, \ | |
3256 "Unguard page and retry on no-execute fault (Win32 only)" \ | |
3257 "0=off, 1=conservative, 2=aggressive") \ | |
3258 \ | |
3259 /* Serviceability Support */ \ | |
3260 \ | |
3261 product(bool, ManagementServer, false, \ | |
3262 "Create JMX Management Server") \ | |
3263 \ | |
3264 product(bool, DisableAttachMechanism, false, \ | |
3265 "Disable mechanism that allows tools to attach to this VM") \ | |
3266 \ | |
3267 product(bool, StartAttachListener, false, \ | |
3268 "Always start Attach Listener at VM startup") \ | |
3269 \ | |
3270 manageable(bool, PrintConcurrentLocks, false, \ | |
3271 "Print java.util.concurrent locks in thread dump") \ | |
3272 \ | |
3273 /* Shared spaces */ \ | |
3274 \ | |
3275 product(bool, UseSharedSpaces, true, \ | |
3276 "Use shared spaces in the permanent generation") \ | |
3277 \ | |
3278 product(bool, RequireSharedSpaces, false, \ | |
3279 "Require shared spaces in the permanent generation") \ | |
3280 \ | |
3281 product(bool, ForceSharedSpaces, false, \ | |
3282 "Require shared spaces in the permanent generation") \ | |
3283 \ | |
3284 product(bool, DumpSharedSpaces, false, \ | |
3285 "Special mode: JVM reads a class list, loads classes, builds " \ | |
3286 "shared spaces, and dumps the shared spaces to a file to be " \ | |
3287 "used in future JVM runs.") \ | |
3288 \ | |
3289 product(bool, PrintSharedSpaces, false, \ | |
3290 "Print usage of shared spaces") \ | |
3291 \ | |
3292 product(uintx, SharedDummyBlockSize, 512*M, \ | |
3293 "Size of dummy block used to shift heap addresses (in bytes)") \ | |
3294 \ | |
3295 product(uintx, SharedReadWriteSize, 12*M, \ | |
3296 "Size of read-write space in permanent generation (in bytes)") \ | |
3297 \ | |
910
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3298 product(uintx, SharedReadOnlySize, 10*M, \ |
0 | 3299 "Size of read-only space in permanent generation (in bytes)") \ |
3300 \ | |
3301 product(uintx, SharedMiscDataSize, 4*M, \ | |
3302 "Size of the shared data area adjacent to the heap (in bytes)") \ | |
3303 \ | |
3304 product(uintx, SharedMiscCodeSize, 4*M, \ | |
3305 "Size of the shared code area adjacent to the heap (in bytes)") \ | |
3306 \ | |
3307 diagnostic(bool, SharedOptimizeColdStart, true, \ | |
3308 "At dump time, order shared objects to achieve better " \ | |
3309 "cold startup time.") \ | |
3310 \ | |
3311 develop(intx, SharedOptimizeColdStartPolicy, 2, \ | |
3312 "Reordering policy for SharedOptimizeColdStart " \ | |
3313 "0=favor classload-time locality, 1=balanced, " \ | |
3314 "2=favor runtime locality") \ | |
3315 \ | |
3316 diagnostic(bool, SharedSkipVerify, false, \ | |
3317 "Skip assert() and verify() which page-in unwanted shared " \ | |
3318 "objects. ") \ | |
3319 \ | |
431
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3320 product(bool, AnonymousClasses, false, \ |
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3321 "support sun.misc.Unsafe.defineAnonymousClass") \ |
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3322 \ |
905
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3323 experimental(bool, EnableMethodHandles, false, \ |
710 | 3324 "support method handles (true by default under JSR 292)") \ |
3325 \ | |
3326 diagnostic(intx, MethodHandlePushLimit, 3, \ | |
3327 "number of additional stack slots a method handle may push") \ | |
3328 \ | |
3329 develop(bool, TraceMethodHandles, false, \ | |
3330 "trace internal method handle operations") \ | |
3331 \ | |
3332 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
3333 "perform extra checks when constructing method handles") \ | |
3334 \ | |
3335 diagnostic(bool, OptimizeMethodHandles, true, \ | |
3336 "when constructing method handles, try to improve them") \ | |
3337 \ | |
905
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3338 experimental(bool, EnableInvokeDynamic, false, \ |
726
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|
3339 "recognize the invokedynamic instruction") \ |
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|
3340 \ |
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3341 develop(bool, TraceInvokeDynamic, false, \ |
be93aad57795
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|
3342 "trace internal invoke dynamic operations") \ |
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|
3343 \ |
0 | 3344 product(bool, TaggedStackInterpreter, false, \ |
3345 "Insert tags in interpreter execution stack for oopmap generaion")\ | |
3346 \ | |
3347 diagnostic(bool, PauseAtStartup, false, \ | |
3348 "Causes the VM to pause at startup time and wait for the pause " \ | |
3349 "file to be removed (default: ./vm.paused.<pid>)") \ | |
3350 \ | |
3351 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
3352 "The file to create and for whose removal to await when pausing " \ | |
3353 "at startup. (default: ./vm.paused.<pid>)") \ | |
3354 \ | |
3355 product(bool, ExtendedDTraceProbes, false, \ | |
3356 "Enable performance-impacting dtrace probes") \ | |
3357 \ | |
3358 product(bool, DTraceMethodProbes, false, \ | |
3359 "Enable dtrace probes for method-entry and method-exit") \ | |
3360 \ | |
3361 product(bool, DTraceAllocProbes, false, \ | |
3362 "Enable dtrace probes for object allocation") \ | |
3363 \ | |
3364 product(bool, DTraceMonitorProbes, false, \ | |
3365 "Enable dtrace probes for monitor events") \ | |
3366 \ | |
3367 product(bool, RelaxAccessControlCheck, false, \ | |
3368 "Relax the access control checks in the verifier") \ | |
3369 \ | |
116
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3370 diagnostic(bool, PrintDTraceDOF, false, \ |
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3371 "Print the DTrace DOF passed to the system for JSDT probes") \ |
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3372 \ |
449
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|
3373 product(bool, UseVMInterruptibleIO, false, \ |
0 | 3374 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
449
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|
3375 "EINTR for I/O operations results in OS_INTRPT. The default value"\ |
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|
3376 " of this flag is true for JDK 6 and earliers") |
0 | 3377 |
3378 | |
3379 /* | |
3380 * Macros for factoring of globals | |
3381 */ | |
3382 | |
3383 // Interface macros | |
3384 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
3385 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; | |
3386 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; | |
350
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3387 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
0 | 3388 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
3389 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; | |
3390 #ifdef PRODUCT | |
3391 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) const type name = value; | |
3392 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) const type name = pd_##name; | |
3393 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) | |
3394 #else | |
3395 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; | |
3396 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; | |
3397 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
3398 #endif | |
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3399 // Special LP64 flags, product only needed for now. |
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3400 #ifdef _LP64 |
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3401 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
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3402 #else |
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3403 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value; |
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3404 #endif // _LP64 |
0 | 3405 |
3406 // Implementation macros | |
3407 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; | |
3408 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; | |
3409 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; | |
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3410 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
0 | 3411 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
3412 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; | |
3413 #ifdef PRODUCT | |
3414 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) /* flag name is constant */ | |
3415 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) /* flag name is constant */ | |
3416 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) | |
3417 #else | |
3418 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; | |
3419 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; | |
3420 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; | |
3421 #endif | |
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3422 #ifdef _LP64 |
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3423 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value; |
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3424 #else |
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3425 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ |
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3426 #endif // _LP64 |
0 | 3427 |
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3428 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 | 3429 |
3430 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) |