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src/share/vm/runtime/commandLineFlagConstraintsGC.cpp
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*** 21,109 ****
* questions.
*
*/
#include "precompiled.hpp"
- #include "gc/shared/collectedHeap.hpp"
- #include "gc/shared/collectorPolicy.hpp"
- #include "gc/shared/threadLocalAllocBuffer.hpp"
#include "runtime/arguments.hpp"
#include "runtime/commandLineFlagConstraintsGC.hpp"
#include "runtime/commandLineFlagRangeList.hpp"
#include "runtime/globals.hpp"
- #include "runtime/globals_extension.hpp"
#include "utilities/defaultStream.hpp"
#if INCLUDE_ALL_GCS
#include "gc/g1/g1_globals.hpp"
#include "gc/g1/heapRegionBounds.inline.hpp"
#include "gc/shared/plab.hpp"
#endif // INCLUDE_ALL_GCS
#ifdef COMPILER1
#include "c1/c1_globals.hpp"
#endif // COMPILER1
#ifdef COMPILER2
#include "opto/c2_globals.hpp"
#endif // COMPILER2
- #if INCLUDE_ALL_GCS
- static Flag::Error ParallelGCThreadsAndCMSWorkQueueDrainThreshold(uint threads, uintx threshold, bool verbose) {
- // CMSWorkQueueDrainThreshold is verified to be less than max_juint
- if (UseConcMarkSweepGC && (threads > (uint)(max_jint / (uint)threshold))) {
- CommandLineError::print(verbose,
- "ParallelGCThreads (" UINT32_FORMAT ") or CMSWorkQueueDrainThreshold ("
- UINTX_FORMAT ") is too large\n",
- threads, threshold);
- return Flag::VIOLATES_CONSTRAINT;
- }
- return Flag::SUCCESS;
- }
- #endif
-
- // As ParallelGCThreads differs among GC modes, we need constraint function.
- Flag::Error ParallelGCThreadsConstraintFunc(uint value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
-
- #if INCLUDE_ALL_GCS
- // Parallel GC passes ParallelGCThreads when creating GrowableArray as 'int' type parameter.
- // So can't exceed with "max_jint"
- if (UseParallelGC && (value > (uint)max_jint)) {
- CommandLineError::print(verbose,
- "ParallelGCThreads (" UINT32_FORMAT ") must be "
- "less than or equal to " UINT32_FORMAT " for Parallel GC\n",
- value, max_jint);
- return Flag::VIOLATES_CONSTRAINT;
- }
- // To avoid overflow at ParScanClosure::do_oop_work.
- if (UseConcMarkSweepGC && (value > (max_jint / 10))) {
- CommandLineError::print(verbose,
- "ParallelGCThreads (" UINT32_FORMAT ") must be "
- "less than or equal to " UINT32_FORMAT " for CMS GC\n",
- value, (max_jint / 10));
- return Flag::VIOLATES_CONSTRAINT;
- }
- status = ParallelGCThreadsAndCMSWorkQueueDrainThreshold(value, CMSWorkQueueDrainThreshold, verbose);
- #endif
- return status;
- }
-
- // As ConcGCThreads should be smaller than ParallelGCThreads,
- // we need constraint function.
- Flag::Error ConcGCThreadsConstraintFunc(uint value, bool verbose) {
- #if INCLUDE_ALL_GCS
- // CMS and G1 GCs use ConcGCThreads.
- if ((UseConcMarkSweepGC || UseG1GC) && (value > ParallelGCThreads)) {
- CommandLineError::print(verbose,
- "ConcGCThreads (" UINT32_FORMAT ") must be "
- "less than or equal to ParallelGCThreads (" UINT32_FORMAT ")\n",
- value, ParallelGCThreads);
- return Flag::VIOLATES_CONSTRAINT;
- }
- #endif
- return Flag::SUCCESS;
- }
-
static Flag::Error MinPLABSizeBounds(const char* name, size_t value, bool verbose) {
#if INCLUDE_ALL_GCS
if ((UseConcMarkSweepGC || UseG1GC) && (value < PLAB::min_size())) {
CommandLineError::print(verbose,
"%s (" SIZE_FORMAT ") must be "
--- 21,49 ----
* questions.
*
*/
#include "precompiled.hpp"
#include "runtime/arguments.hpp"
#include "runtime/commandLineFlagConstraintsGC.hpp"
#include "runtime/commandLineFlagRangeList.hpp"
#include "runtime/globals.hpp"
#include "utilities/defaultStream.hpp"
#if INCLUDE_ALL_GCS
#include "gc/g1/g1_globals.hpp"
#include "gc/g1/heapRegionBounds.inline.hpp"
+ #include "gc/parallel/parallelScavengeHeap.hpp"
#include "gc/shared/plab.hpp"
#endif // INCLUDE_ALL_GCS
#ifdef COMPILER1
#include "c1/c1_globals.hpp"
#endif // COMPILER1
#ifdef COMPILER2
#include "opto/c2_globals.hpp"
#endif // COMPILER2
static Flag::Error MinPLABSizeBounds(const char* name, size_t value, bool verbose) {
#if INCLUDE_ALL_GCS
if ((UseConcMarkSweepGC || UseG1GC) && (value < PLAB::min_size())) {
CommandLineError::print(verbose,
"%s (" SIZE_FORMAT ") must be "
*** 127,170 ****
#endif // INCLUDE_ALL_GCS
return Flag::SUCCESS;
}
static Flag::Error MinMaxPLABSizeBounds(const char* name, size_t value, bool verbose) {
! Flag::Error status = MinPLABSizeBounds(name, value, verbose);
!
! if (status == Flag::SUCCESS) {
return MaxPLABSizeBounds(name, value, verbose);
}
! return status;
}
Flag::Error YoungPLABSizeConstraintFunc(size_t value, bool verbose) {
return MinMaxPLABSizeBounds("YoungPLABSize", value, verbose);
}
- Flag::Error OldPLABSizeConstraintFunc(size_t value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
-
- #if INCLUDE_ALL_GCS
- if (UseConcMarkSweepGC) {
- if (value == 0) {
- CommandLineError::print(verbose,
- "OldPLABSize (" SIZE_FORMAT ") must be greater than 0",
- value);
- return Flag::VIOLATES_CONSTRAINT;
- }
- // For CMS, OldPLABSize is the number of free blocks of a given size that are used when
- // replenishing the local per-worker free list caches.
- // For more details, please refer to Arguments::set_cms_and_parnew_gc_flags().
- status = MaxPLABSizeBounds("OldPLABSize", value, verbose);
- } else {
- status = MinMaxPLABSizeBounds("OldPLABSize", value, verbose);
- }
- #endif
- return status;
- }
-
Flag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxHeapFreeRatio) {
CommandLineError::print(verbose,
"MinHeapFreeRatio (" UINTX_FORMAT ") must be "
"less than or equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n",
--- 67,86 ----
#endif // INCLUDE_ALL_GCS
return Flag::SUCCESS;
}
static Flag::Error MinMaxPLABSizeBounds(const char* name, size_t value, bool verbose) {
! if (MinPLABSizeBounds(name, value, verbose) == Flag::SUCCESS) {
return MaxPLABSizeBounds(name, value, verbose);
}
! return Flag::VIOLATES_CONSTRAINT;
}
Flag::Error YoungPLABSizeConstraintFunc(size_t value, bool verbose) {
return MinMaxPLABSizeBounds("YoungPLABSize", value, verbose);
}
Flag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxHeapFreeRatio) {
CommandLineError::print(verbose,
"MinHeapFreeRatio (" UINTX_FORMAT ") must be "
"less than or equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n",
*** 185,211 ****
} else {
return Flag::SUCCESS;
}
}
- static Flag::Error CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(size_t maxHeap, intx softRef, bool verbose) {
- if ((softRef > 0) && ((maxHeap / M) > (max_uintx / softRef))) {
- CommandLineError::print(verbose,
- "Desired lifetime of SoftReferences cannot be expressed correctly. "
- "MaxHeapSize (" SIZE_FORMAT ") or SoftRefLRUPolicyMSPerMB "
- "(" INTX_FORMAT ") is too large\n",
- maxHeap, softRef);
- return Flag::VIOLATES_CONSTRAINT;
- } else {
- return Flag::SUCCESS;
- }
- }
-
- Flag::Error SoftRefLRUPolicyMSPerMBConstraintFunc(intx value, bool verbose) {
- return CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(MaxHeapSize, value, verbose);
- }
-
Flag::Error MinMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose) {
if (value > MaxMetaspaceFreeRatio) {
CommandLineError::print(verbose,
"MinMetaspaceFreeRatio (" UINTX_FORMAT ") must be "
"less than or equal to MaxMetaspaceFreeRatio (" UINTX_FORMAT ")\n",
--- 101,110 ----
*** 226,340 ****
} else {
return Flag::SUCCESS;
}
}
Flag::Error InitialTenuringThresholdConstraintFunc(uintx value, bool verbose) {
! #if INCLUDE_ALL_GCS
! // InitialTenuringThreshold is only used for ParallelGC.
! if (UseParallelGC && (value > MaxTenuringThreshold)) {
CommandLineError::print(verbose,
"InitialTenuringThreshold (" UINTX_FORMAT ") must be "
"less than or equal to MaxTenuringThreshold (" UINTX_FORMAT ")\n",
value, MaxTenuringThreshold);
return Flag::VIOLATES_CONSTRAINT;
! }
! #endif
return Flag::SUCCESS;
}
Flag::Error MaxTenuringThresholdConstraintFunc(uintx value, bool verbose) {
! #if INCLUDE_ALL_GCS
! // As only ParallelGC uses InitialTenuringThreshold,
! // we don't need to compare InitialTenuringThreshold with MaxTenuringThreshold.
! if (UseParallelGC && (value < InitialTenuringThreshold)) {
CommandLineError::print(verbose,
"MaxTenuringThreshold (" UINTX_FORMAT ") must be "
"greater than or equal to InitialTenuringThreshold (" UINTX_FORMAT ")\n",
value, InitialTenuringThreshold);
return Flag::VIOLATES_CONSTRAINT;
- }
- #endif
-
- // MaxTenuringThreshold=0 means NeverTenure=false && AlwaysTenure=true
- if ((value == 0) && (NeverTenure || !AlwaysTenure)) {
- CommandLineError::print(verbose,
- "MaxTenuringThreshold (0) should match to NeverTenure=false "
- "&& AlwaysTenure=true. But we have NeverTenure=%s "
- "AlwaysTenure=%s\n",
- NeverTenure ? "true" : "false",
- AlwaysTenure ? "true" : "false");
- return Flag::VIOLATES_CONSTRAINT;
- }
- return Flag::SUCCESS;
- }
-
- #if INCLUDE_ALL_GCS
- Flag::Error G1RSetRegionEntriesConstraintFunc(intx value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
- // Default value of G1RSetRegionEntries=0 means will be set ergonomically.
- // Minimum value is 1.
- if (FLAG_IS_CMDLINE(G1RSetRegionEntries) && (value < 1)) {
- CommandLineError::print(verbose,
- "G1RSetRegionEntries (" INTX_FORMAT ") must be "
- "greater than or equal to 1\n",
- value);
- return Flag::VIOLATES_CONSTRAINT;
- } else {
- return Flag::SUCCESS;
- }
- }
-
- Flag::Error G1RSetSparseRegionEntriesConstraintFunc(intx value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
- // Default value of G1RSetSparseRegionEntries=0 means will be set ergonomically.
- // Minimum value is 1.
- if (FLAG_IS_CMDLINE(G1RSetSparseRegionEntries) && (value < 1)) {
- CommandLineError::print(verbose,
- "G1RSetSparseRegionEntries (" INTX_FORMAT ") must be "
- "greater than or equal to 1\n",
- value);
- return Flag::VIOLATES_CONSTRAINT;
- } else {
- return Flag::SUCCESS;
- }
- }
-
- Flag::Error G1YoungSurvRateNumRegionsSummaryConstraintFunc(intx value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
- if (value > (intx)HeapRegionBounds::target_number()) {
- CommandLineError::print(verbose,
- "G1YoungSurvRateNumRegionsSummary (" INTX_FORMAT ") must be "
- "less than or equal to region count (" SIZE_FORMAT ")\n",
- value, HeapRegionBounds::target_number());
- return Flag::VIOLATES_CONSTRAINT;
- } else {
- return Flag::SUCCESS;
- }
- }
-
- Flag::Error G1HeapRegionSizeConstraintFunc(size_t value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
- // Default value of G1HeapRegionSize=0 means will be set ergonomically.
- if (FLAG_IS_CMDLINE(G1HeapRegionSize) && (value < HeapRegionBounds::min_size())) {
- CommandLineError::print(verbose,
- "G1HeapRegionSize (" SIZE_FORMAT ") must be "
- "greater than or equal to ergonomic heap region minimum size\n",
- value);
- return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
Flag::Error G1NewSizePercentConstraintFunc(uintx value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
if (value > G1MaxNewSizePercent) {
CommandLineError::print(verbose,
"G1NewSizePercent (" UINTX_FORMAT ") must be "
"less than or equal to G1MaxNewSizePercent (" UINTX_FORMAT ")\n",
value, G1MaxNewSizePercent);
--- 125,173 ----
} else {
return Flag::SUCCESS;
}
}
+ // GC workaround for "-XX:+UseConcMarkSweepGC"
+ // which sets InitialTenuringThreshold to 7 but leaves MaxTenuringThreshold remaining at 6
+ // and therefore would invalidate the constraint
+ #define UseConcMarkSweepGCWorkaroundIfNeeded(initial, max) { \
+ if ((initial == 7) && (max == 6)) { \
+ return Flag::SUCCESS; \
+ } \
+ }
+
Flag::Error InitialTenuringThresholdConstraintFunc(uintx value, bool verbose) {
! UseConcMarkSweepGCWorkaroundIfNeeded(value, MaxTenuringThreshold);
!
! if (value > MaxTenuringThreshold) {
CommandLineError::print(verbose,
"InitialTenuringThreshold (" UINTX_FORMAT ") must be "
"less than or equal to MaxTenuringThreshold (" UINTX_FORMAT ")\n",
value, MaxTenuringThreshold);
return Flag::VIOLATES_CONSTRAINT;
! } else {
return Flag::SUCCESS;
+ }
}
Flag::Error MaxTenuringThresholdConstraintFunc(uintx value, bool verbose) {
! UseConcMarkSweepGCWorkaroundIfNeeded(InitialTenuringThreshold, value);
!
! if (value < InitialTenuringThreshold) {
CommandLineError::print(verbose,
"MaxTenuringThreshold (" UINTX_FORMAT ") must be "
"greater than or equal to InitialTenuringThreshold (" UINTX_FORMAT ")\n",
value, InitialTenuringThreshold);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
+ #if INCLUDE_ALL_GCS
Flag::Error G1NewSizePercentConstraintFunc(uintx value, bool verbose) {
if (value > G1MaxNewSizePercent) {
CommandLineError::print(verbose,
"G1NewSizePercent (" UINTX_FORMAT ") must be "
"less than or equal to G1MaxNewSizePercent (" UINTX_FORMAT ")\n",
value, G1MaxNewSizePercent);
*** 343,627 ****
return Flag::SUCCESS;
}
}
Flag::Error G1MaxNewSizePercentConstraintFunc(uintx value, bool verbose) {
- if (!UseG1GC) return Flag::SUCCESS;
-
if (value < G1NewSizePercent) {
CommandLineError::print(verbose,
"G1MaxNewSizePercent (" UINTX_FORMAT ") must be "
"greater than or equal to G1NewSizePercent (" UINTX_FORMAT ")\n",
value, G1NewSizePercent);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
- #endif // INCLUDE_ALL_GCS
! Flag::Error ParGCStridesPerThreadConstraintFunc(uintx value, bool verbose) {
! #if INCLUDE_ALL_GCS
! if (UseConcMarkSweepGC && (value > ((uintx)max_jint / (uintx)ParallelGCThreads))) {
! CommandLineError::print(verbose,
! "ParGCStridesPerThread (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic maximum (" UINTX_FORMAT ")\n",
! value, ((uintx)max_jint / (uintx)ParallelGCThreads));
! return Flag::VIOLATES_CONSTRAINT;
! }
! #endif
! return Flag::SUCCESS;
! }
Flag::Error CMSOldPLABMinConstraintFunc(size_t value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
-
- #if INCLUDE_ALL_GCS
- if (UseConcMarkSweepGC) {
if (value > CMSOldPLABMax) {
CommandLineError::print(verbose,
"CMSOldPLABMin (" SIZE_FORMAT ") must be "
"less than or equal to CMSOldPLABMax (" SIZE_FORMAT ")\n",
value, CMSOldPLABMax);
return Flag::VIOLATES_CONSTRAINT;
- }
- status = MaxPLABSizeBounds("CMSOldPLABMin", value, verbose);
- }
- #endif
- return status;
- }
-
- Flag::Error CMSOldPLABMaxConstraintFunc(size_t value, bool verbose) {
- Flag::Error status = Flag::SUCCESS;
-
- #if INCLUDE_ALL_GCS
- if (UseConcMarkSweepGC) {
- status = MaxPLABSizeBounds("CMSOldPLABMax", value, verbose);
- }
- #endif
- return status;
- }
-
- Flag::Error MarkStackSizeConstraintFunc(size_t value, bool verbose) {
- if (value > MarkStackSizeMax) {
- CommandLineError::print(verbose,
- "MarkStackSize (" SIZE_FORMAT ") must be "
- "less than or equal to MarkStackSizeMax (" SIZE_FORMAT ")\n",
- value, MarkStackSizeMax);
- return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
Flag::Error CMSPrecleanDenominatorConstraintFunc(uintx value, bool verbose) {
! #if INCLUDE_ALL_GCS
! if (UseConcMarkSweepGC && (value <= CMSPrecleanNumerator)) {
CommandLineError::print(verbose,
"CMSPrecleanDenominator (" UINTX_FORMAT ") must be "
"strickly greater than CMSPrecleanNumerator (" UINTX_FORMAT ")\n",
value, CMSPrecleanNumerator);
return Flag::VIOLATES_CONSTRAINT;
- }
- #endif
- return Flag::SUCCESS;
- }
-
- Flag::Error CMSPrecleanNumeratorConstraintFunc(uintx value, bool verbose) {
- #if INCLUDE_ALL_GCS
- if (UseConcMarkSweepGC && (value >= CMSPrecleanDenominator)) {
- CommandLineError::print(verbose,
- "CMSPrecleanNumerator (" UINTX_FORMAT ") must be "
- "less than CMSPrecleanDenominator (" UINTX_FORMAT ")\n",
- value, CMSPrecleanDenominator);
- return Flag::VIOLATES_CONSTRAINT;
- }
- #endif
- return Flag::SUCCESS;
- }
-
- Flag::Error CMSWorkQueueDrainThresholdConstraintFunc(uintx value, bool verbose) {
- #if INCLUDE_ALL_GCS
- if (UseConcMarkSweepGC) {
- return ParallelGCThreadsAndCMSWorkQueueDrainThreshold(ParallelGCThreads, value, verbose);
- }
- #endif
- return Flag::SUCCESS;
- }
-
- Flag::Error MaxGCPauseMillisConstraintFunc(uintx value, bool verbose) {
- #if INCLUDE_ALL_GCS
- if (UseG1GC && FLAG_IS_CMDLINE(MaxGCPauseMillis) && (value >= GCPauseIntervalMillis)) {
- CommandLineError::print(verbose,
- "MaxGCPauseMillis (" UINTX_FORMAT ") must be "
- "less than GCPauseIntervalMillis (" UINTX_FORMAT ")\n",
- value, GCPauseIntervalMillis);
- return Flag::VIOLATES_CONSTRAINT;
- }
- #endif
-
- return Flag::SUCCESS;
- }
-
- Flag::Error GCPauseIntervalMillisConstraintFunc(uintx value, bool verbose) {
- #if INCLUDE_ALL_GCS
- if (UseG1GC) {
- if (FLAG_IS_CMDLINE(GCPauseIntervalMillis)) {
- if (value < 1) {
- CommandLineError::print(verbose,
- "GCPauseIntervalMillis (" UINTX_FORMAT ") must be "
- "greater than or equal to 1\n",
- value);
- return Flag::VIOLATES_CONSTRAINT;
- }
- if (value <= MaxGCPauseMillis) {
- CommandLineError::print(verbose,
- "GCPauseIntervalMillis (" UINTX_FORMAT ") must be "
- "greater than MaxGCPauseMillis (" UINTX_FORMAT ")\n",
- value, MaxGCPauseMillis);
- return Flag::VIOLATES_CONSTRAINT;
- }
- }
- }
- #endif
- return Flag::SUCCESS;
- }
-
- Flag::Error InitialBootClassLoaderMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
- size_t aligned_max = (size_t)align_size_down(max_uintx/2, Metaspace::reserve_alignment_words());
- if (value > aligned_max) {
- CommandLineError::print(verbose,
- "InitialBootClassLoaderMetaspaceSize (" SIZE_FORMAT ") must be "
- "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
- value, aligned_max);
- return Flag::VIOLATES_CONSTRAINT;
- }
- return Flag::SUCCESS;
- }
-
- static Flag::Error MaxSizeForHeapAlignment(const char* name, size_t value, bool verbose) {
- // For G1 GC, we don't know until G1CollectorPolicy is created.
- size_t heap_alignment;
-
- #if INCLUDE_ALL_GCS
- if (UseG1GC) {
- heap_alignment = HeapRegionBounds::max_size();
- } else
- #endif
- {
- heap_alignment = CollectorPolicy::compute_heap_alignment();
- }
-
- // Not to overflow 'align_size_up(value, _heap_alignment) used from CollectorPolicy::initialize_flags()'.
- size_t aligned_max = ((max_uintx - heap_alignment) & ~(heap_alignment-1));
- if (value > aligned_max) {
- CommandLineError::print(verbose,
- "%s (" SIZE_FORMAT ") must be "
- "less than or equal to aligned maximum value (" SIZE_FORMAT ")\n",
- name, value, aligned_max);
- return Flag::VIOLATES_CONSTRAINT;
- }
- return Flag::SUCCESS;
- }
-
- Flag::Error InitialHeapSizeConstraintFunc(size_t value, bool verbose) {
- return MaxSizeForHeapAlignment("InitialHeapSize", value, verbose);
- }
-
- Flag::Error MaxHeapSizeConstraintFunc(size_t value, bool verbose) {
- Flag::Error status = MaxSizeForHeapAlignment("MaxHeapSize", value, verbose);
-
- if (status == Flag::SUCCESS) {
- status = CheckMaxHeapSizeAndSoftRefLRUPolicyMSPerMB(value, SoftRefLRUPolicyMSPerMB, verbose);
- }
- return status;
- }
-
- Flag::Error NewSizeConstraintFunc(size_t value, bool verbose) {
- #ifdef _LP64
- #if INCLUDE_ALL_GCS
- // Overflow would happen for uint type variable of YoungGenSizer::_min_desired_young_length
- // when the value to be assigned exceeds uint range.
- // i.e. result of '(uint)(NewSize / region size(1~32MB))'
- // So maximum of NewSize should be 'max_juint * 1M'
- if (UseG1GC && (value > (max_juint * 1 * M))) {
- CommandLineError::print(verbose,
- "NewSize (" SIZE_FORMAT ") must be less than ergonomic maximum value\n",
- value);
- return Flag::VIOLATES_CONSTRAINT;
- }
- #endif // INCLUDE_ALL_GCS
- #endif // _LP64
- return Flag::SUCCESS;
- }
-
- Flag::Error MinTLABSizeConstraintFunc(size_t value, bool verbose) {
- // At least, alignment reserve area is needed.
- if (value < ThreadLocalAllocBuffer::alignment_reserve_in_bytes()) {
- CommandLineError::print(verbose,
- "MinTLABSize (" SIZE_FORMAT ") must be "
- "greater than or equal to reserved area in TLAB (" SIZE_FORMAT ")\n",
- value, ThreadLocalAllocBuffer::alignment_reserve_in_bytes());
- return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
! Flag::Error TLABSizeConstraintFunc(size_t value, bool verbose) {
! // Skip for default value of zero which means set ergonomically.
! if (FLAG_IS_CMDLINE(TLABSize)) {
! if (value < MinTLABSize) {
! CommandLineError::print(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MinTLABSize (" SIZE_FORMAT ")\n",
! value, MinTLABSize);
! return Flag::VIOLATES_CONSTRAINT;
! }
! if (value > (ThreadLocalAllocBuffer::max_size() * HeapWordSize)) {
! CommandLineError::print(verbose,
! "TLABSize (" SIZE_FORMAT ") must be "
! "less than or equal to ergonomic TLAB maximum size (" SIZE_FORMAT ")\n",
! value, (ThreadLocalAllocBuffer::max_size() * HeapWordSize));
! return Flag::VIOLATES_CONSTRAINT;
! }
! }
! return Flag::SUCCESS;
! }
!
! Flag::Error SurvivorRatioConstraintFunc(uintx value, bool verbose) {
! if (FLAG_IS_CMDLINE(SurvivorRatio) &&
! (value > (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()))) {
! CommandLineError::print(verbose,
! "SurvivorRatio (" UINTX_FORMAT ") must be "
! "less than or equal to ergonomic SurvivorRatio maximum (" SIZE_FORMAT ")\n",
! value,
! (MaxHeapSize / Universe::heap()->collector_policy()->space_alignment()));
! return Flag::VIOLATES_CONSTRAINT;
! } else {
! return Flag::SUCCESS;
! }
! }
!
! Flag::Error MetaspaceSizeConstraintFunc(size_t value, bool verbose) {
! if (value > MaxMetaspaceSize) {
! CommandLineError::print(verbose,
! "MetaspaceSize (" SIZE_FORMAT ") must be "
! "less than or equal to MaxMetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
! return Flag::VIOLATES_CONSTRAINT;
! } else {
! return Flag::SUCCESS;
! }
! }
!
! Flag::Error MaxMetaspaceSizeConstraintFunc(size_t value, bool verbose) {
! if (value < MetaspaceSize) {
CommandLineError::print(verbose,
! "MaxMetaspaceSize (" SIZE_FORMAT ") must be "
! "greater than or equal to MetaspaceSize (" SIZE_FORMAT ")\n",
! value, MaxMetaspaceSize);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
--- 176,228 ----
return Flag::SUCCESS;
}
}
Flag::Error G1MaxNewSizePercentConstraintFunc(uintx value, bool verbose) {
if (value < G1NewSizePercent) {
CommandLineError::print(verbose,
"G1MaxNewSizePercent (" UINTX_FORMAT ") must be "
"greater than or equal to G1NewSizePercent (" UINTX_FORMAT ")\n",
value, G1NewSizePercent);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
! #endif // INCLUDE_ALL_GCS
Flag::Error CMSOldPLABMinConstraintFunc(size_t value, bool verbose) {
if (value > CMSOldPLABMax) {
CommandLineError::print(verbose,
"CMSOldPLABMin (" SIZE_FORMAT ") must be "
"less than or equal to CMSOldPLABMax (" SIZE_FORMAT ")\n",
value, CMSOldPLABMax);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
Flag::Error CMSPrecleanDenominatorConstraintFunc(uintx value, bool verbose) {
! if (value <= CMSPrecleanNumerator) {
CommandLineError::print(verbose,
"CMSPrecleanDenominator (" UINTX_FORMAT ") must be "
"strickly greater than CMSPrecleanNumerator (" UINTX_FORMAT ")\n",
value, CMSPrecleanNumerator);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
! Flag::Error CMSPrecleanNumeratorConstraintFunc(uintx value, bool verbose) {
! if (value > (CMSPrecleanDenominator - 1)) {
CommandLineError::print(verbose,
! "CMSPrecleanNumerator (" UINTX_FORMAT ") must be "
! "less than or equal to CMSPrecleanDenominator - 1 (" UINTX_FORMAT ")\n",
! value, CMSPrecleanDenominator - 1);
return Flag::VIOLATES_CONSTRAINT;
} else {
return Flag::SUCCESS;
}
}
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