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src/share/vm/runtime/globals.hpp
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*** 448,458 ****
~SizeTFlagSetting() { *flag = val; }
};
class CommandLineFlags {
- static bool _finished_initializing;
public:
static Flag::Error boolAt(const char* name, size_t len, bool* value, bool allow_locked = false, bool return_flag = false);
static Flag::Error boolAt(const char* name, bool* value, bool allow_locked = false, bool return_flag = false) { return boolAt(name, strlen(name), value, allow_locked, return_flag); }
static Flag::Error boolAtPut(const char* name, size_t len, bool* value, Flag::Flags origin);
static Flag::Error boolAtPut(const char* name, bool* value, Flag::Flags origin) { return boolAtPut(name, strlen(name), value, origin); }
--- 448,457 ----
*** 504,518 ****
static void printSetFlags(outputStream* out);
// printRanges will print out flags type, name and range values as expected by -XX:+PrintFlagsRanges
static void printFlags(outputStream* out, bool withComments, bool printRanges = false);
! // Returns true if all flags have their final values set (ready for ranges and constraint check)
! static bool finishedInitializing() { return _finished_initializing; }
! // Check the final values of all flags for ranges and constraints
! static bool check_all_ranges_and_constraints();
static void verify() PRODUCT_RETURN;
};
// use this for flags that are true by default in the debug version but
--- 503,517 ----
static void printSetFlags(outputStream* out);
// printRanges will print out flags type, name and range values as expected by -XX:+PrintFlagsRanges
static void printFlags(outputStream* out, bool withComments, bool printRanges = false);
! // Check the final values of all flags for ranges and all flags for 'AfterParse' constraints
! static bool check_ranges_and_constraints_of_after_parse();
! // Check the final values of all flags for 'AfterMemoryInit' constraints
! static bool check_constraints_of_after_memory_init();
static void verify() PRODUCT_RETURN;
};
// use this for flags that are true by default in the debug version but
*** 638,648 ****
"Print compressed oops base address and encoding mode") \
\
lp64_product(intx, ObjectAlignmentInBytes, 8, \
"Default object alignment in bytes, 8 is minimum") \
range(8, 256) \
! constraint(ObjectAlignmentInBytesConstraintFunc) \
\
product(bool, AssumeMP, false, \
"Instruct the VM to assume multiple processors are available") \
\
/* UseMembar is theoretically a temp flag used for memory barrier */ \
--- 637,647 ----
"Print compressed oops base address and encoding mode") \
\
lp64_product(intx, ObjectAlignmentInBytes, 8, \
"Default object alignment in bytes, 8 is minimum") \
range(8, 256) \
! constraint(ObjectAlignmentInBytesConstraintFunc,Anytime) \
\
product(bool, AssumeMP, false, \
"Instruct the VM to assume multiple processors are available") \
\
/* UseMembar is theoretically a temp flag used for memory barrier */ \
*** 1392,1402 ****
/* aggressive prefetching, while still leaving the room for segregating */\
/* among the distinct pages. */\
product(intx, ContendedPaddingWidth, 128, \
"How many bytes to pad the fields/classes marked @Contended with")\
range(0, 8192) \
! constraint(ContendedPaddingWidthConstraintFunc) \
\
product(bool, EnableContended, true, \
"Enable @Contended annotation support") \
\
product(bool, RestrictContended, true, \
--- 1391,1401 ----
/* aggressive prefetching, while still leaving the room for segregating */\
/* among the distinct pages. */\
product(intx, ContendedPaddingWidth, 128, \
"How many bytes to pad the fields/classes marked @Contended with")\
range(0, 8192) \
! constraint(ContendedPaddingWidthConstraintFunc,Anytime) \
\
product(bool, EnableContended, true, \
"Enable @Contended annotation support") \
\
product(bool, RestrictContended, true, \
*** 1593,1602 ****
--- 1592,1602 ----
product(uint, ConcGCThreads, 0, \
"Number of threads concurrent gc will use") \
\
product(size_t, YoungPLABSize, 4096, \
"Size of young gen promotion LAB's (in HeapWords)") \
+ constraint(YoungPLABSizeConstraintFunc,AfterMemoryInit) \
\
product(size_t, OldPLABSize, 1024, \
"Size of old gen promotion LAB's (in HeapWords), or Number \
of blocks to attempt to claim when refilling CMS LAB's") \
\
*** 1731,1741 ****
\
product(size_t, CMSOldPLABMin, 16, \
"Minimum size of CMS gen promotion LAB caches per worker " \
"per block size") \
range(1, max_uintx) \
! constraint(CMSOldPLABMinConstraintFunc) \
\
product(uintx, CMSOldPLABNumRefills, 4, \
"Nominal number of refills of CMS gen promotion LAB cache " \
"per worker per block size") \
range(1, max_uintx) \
--- 1731,1741 ----
\
product(size_t, CMSOldPLABMin, 16, \
"Minimum size of CMS gen promotion LAB caches per worker " \
"per block size") \
range(1, max_uintx) \
! constraint(CMSOldPLABMinConstraintFunc,AfterParse) \
\
product(uintx, CMSOldPLABNumRefills, 4, \
"Nominal number of refills of CMS gen promotion LAB cache " \
"per worker per block size") \
range(1, max_uintx) \
*** 1927,1943 ****
\
product(uintx, CMSPrecleanDenominator, 3, \
"CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
"ratio") \
range(1, max_uintx) \
! constraint(CMSPrecleanDenominatorConstraintFunc) \
\
product(uintx, CMSPrecleanNumerator, 2, \
"CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
"ratio") \
range(0, max_uintx-1) \
! constraint(CMSPrecleanNumeratorConstraintFunc) \
\
product(bool, CMSPrecleanRefLists1, true, \
"Preclean ref lists during (initial) preclean phase") \
\
product(bool, CMSPrecleanRefLists2, false, \
--- 1927,1943 ----
\
product(uintx, CMSPrecleanDenominator, 3, \
"CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
"ratio") \
range(1, max_uintx) \
! constraint(CMSPrecleanDenominatorConstraintFunc,AfterParse) \
\
product(uintx, CMSPrecleanNumerator, 2, \
"CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
"ratio") \
range(0, max_uintx-1) \
! constraint(CMSPrecleanNumeratorConstraintFunc,AfterParse) \
\
product(bool, CMSPrecleanRefLists1, true, \
"Preclean ref lists during (initial) preclean phase") \
\
product(bool, CMSPrecleanRefLists2, false, \
*** 3354,3371 ****
manageable(uintx, MinHeapFreeRatio, 40, \
"The minimum percentage of heap free after GC to avoid expansion."\
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
range(0, 100) \
! constraint(MinHeapFreeRatioConstraintFunc) \
\
manageable(uintx, MaxHeapFreeRatio, 70, \
"The maximum percentage of heap free after GC to avoid shrinking."\
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
range(0, 100) \
! constraint(MaxHeapFreeRatioConstraintFunc) \
\
product(intx, SoftRefLRUPolicyMSPerMB, 1000, \
"Number of milliseconds per MB of free space in the heap") \
\
product(size_t, MinHeapDeltaBytes, ScaleForWordSize(128*K), \
--- 3354,3371 ----
manageable(uintx, MinHeapFreeRatio, 40, \
"The minimum percentage of heap free after GC to avoid expansion."\
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
range(0, 100) \
! constraint(MinHeapFreeRatioConstraintFunc,AfterParse) \
\
manageable(uintx, MaxHeapFreeRatio, 70, \
"The maximum percentage of heap free after GC to avoid shrinking."\
" For most GCs this applies to the old generation. In G1 and" \
" ParallelGC it applies to the whole heap.") \
range(0, 100) \
! constraint(MaxHeapFreeRatioConstraintFunc,AfterParse) \
\
product(intx, SoftRefLRUPolicyMSPerMB, 1000, \
"Number of milliseconds per MB of free space in the heap") \
\
product(size_t, MinHeapDeltaBytes, ScaleForWordSize(128*K), \
*** 3376,3392 ****
\
product(uintx, MaxMetaspaceFreeRatio, 70, \
"The maximum percentage of Metaspace free after GC to avoid " \
"shrinking") \
range(0, 100) \
! constraint(MaxMetaspaceFreeRatioConstraintFunc) \
\
product(uintx, MinMetaspaceFreeRatio, 40, \
"The minimum percentage of Metaspace free after GC to avoid " \
"expansion") \
range(0, 99) \
! constraint(MinMetaspaceFreeRatioConstraintFunc) \
\
product(size_t, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \
"The maximum expansion of Metaspace without full GC (in bytes)") \
\
product(uintx, QueuedAllocationWarningCount, 0, \
--- 3376,3392 ----
\
product(uintx, MaxMetaspaceFreeRatio, 70, \
"The maximum percentage of Metaspace free after GC to avoid " \
"shrinking") \
range(0, 100) \
! constraint(MaxMetaspaceFreeRatioConstraintFunc,AfterParse) \
\
product(uintx, MinMetaspaceFreeRatio, 40, \
"The minimum percentage of Metaspace free after GC to avoid " \
"expansion") \
range(0, 99) \
! constraint(MinMetaspaceFreeRatioConstraintFunc,AfterParse) \
\
product(size_t, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \
"The maximum expansion of Metaspace without full GC (in bytes)") \
\
product(uintx, QueuedAllocationWarningCount, 0, \
*** 3400,3415 ****
"Generation level at which to start +VerifyBefore/AfterGC") \
\
product(uintx, MaxTenuringThreshold, 15, \
"Maximum value for tenuring threshold") \
range(0, markOopDesc::max_age + 1) \
! constraint(MaxTenuringThresholdConstraintFunc) \
\
product(uintx, InitialTenuringThreshold, 7, \
"Initial value for tenuring threshold") \
range(0, markOopDesc::max_age + 1) \
! constraint(InitialTenuringThresholdConstraintFunc) \
\
product(uintx, TargetSurvivorRatio, 50, \
"Desired percentage of survivor space used after scavenge") \
range(0, 100) \
\
--- 3400,3415 ----
"Generation level at which to start +VerifyBefore/AfterGC") \
\
product(uintx, MaxTenuringThreshold, 15, \
"Maximum value for tenuring threshold") \
range(0, markOopDesc::max_age + 1) \
! constraint(MaxTenuringThresholdConstraintFunc,AfterParse) \
\
product(uintx, InitialTenuringThreshold, 7, \
"Initial value for tenuring threshold") \
range(0, markOopDesc::max_age + 1) \
! constraint(InitialTenuringThresholdConstraintFunc,AfterParse) \
\
product(uintx, TargetSurvivorRatio, 50, \
"Desired percentage of survivor space used after scavenge") \
range(0, 100) \
\
*** 4089,4099 ****
product(bool, PrintGCCause, true, \
"Include GC cause in GC logging") \
\
experimental(intx, SurvivorAlignmentInBytes, 0, \
"Default survivor space alignment in bytes") \
! constraint(SurvivorAlignmentInBytesConstraintFunc) \
\
product(bool , AllowNonVirtualCalls, false, \
"Obey the ACC_SUPER flag and allow invokenonvirtual calls") \
\
product(ccstr, DumpLoadedClassList, NULL, \
--- 4089,4099 ----
product(bool, PrintGCCause, true, \
"Include GC cause in GC logging") \
\
experimental(intx, SurvivorAlignmentInBytes, 0, \
"Default survivor space alignment in bytes") \
! constraint(SurvivorAlignmentInBytesConstraintFunc,AfterParse) \
\
product(bool , AllowNonVirtualCalls, false, \
"Obey the ACC_SUPER flag and allow invokenonvirtual calls") \
\
product(ccstr, DumpLoadedClassList, NULL, \
*** 4189,4199 ****
#endif // _LP64
// Only materialize src code for range checking when required, ignore otherwise
#define IGNORE_RANGE(a, b)
// Only materialize src code for contraint checking when required, ignore otherwise
! #define IGNORE_CONSTRAINT(func)
RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, \
DECLARE_PD_DEVELOPER_FLAG, \
DECLARE_PRODUCT_FLAG, \
DECLARE_PD_PRODUCT_FLAG, \
--- 4189,4199 ----
#endif // _LP64
// Only materialize src code for range checking when required, ignore otherwise
#define IGNORE_RANGE(a, b)
// Only materialize src code for contraint checking when required, ignore otherwise
! #define IGNORE_CONSTRAINT(func,type)
RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, \
DECLARE_PD_DEVELOPER_FLAG, \
DECLARE_PRODUCT_FLAG, \
DECLARE_PD_PRODUCT_FLAG, \
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