< prev index next > src/hotspot/share/runtime/globals.hpp
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\
develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \
"Number of OutOfMemoryErrors preallocated with backtrace") \
range(0, 1024) \
\
! develop(bool, PrintFieldLayout, false, \
"Print field layout for each class") \
\
/* Need to limit the extent of the padding to reasonable size. */\
/* 8K is well beyond the reasonable HW cache line size, even with */\
/* aggressive prefetching, while still leaving the room for segregating */\
/* among the distinct pages. */\
product(int, ContendedPaddingWidth, 128, \
\
develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \
"Number of OutOfMemoryErrors preallocated with backtrace") \
range(0, 1024) \
\
! product(bool, PrintFieldLayout, false, DIAGNOSTIC, \
"Print field layout for each class") \
\
+ product(bool, PrintInlineLayout, false, DIAGNOSTIC, \
+ "Print field layout for each value class or class containing " \
+ "inlined value fields") \
+ \
+ product(bool, PrintFlatArrayLayout, false, DIAGNOSTIC, \
+ "Print array layout for each flattened value array") \
+ \
+ product(bool, UseArrayFlattening, true, DIAGNOSTIC, \
+ "Allow the JVM to flatten arrays of concrete value objects " \
+ "when it determines it is possible and beneficial to do so") \
+ \
+ product(bool, UseFieldFlattening, true, DIAGNOSTIC, \
+ "Allow the JVM to inline the fields of concrete value objects " \
+ "when it determines it is possible and beneficial to do so") \
+ \
+ product(bool, UseNullableAtomicValueFlattening, true, DIAGNOSTIC, \
+ "Allow the JVM to flatten some nullable atomic values") \
+ \
+ product(bool, UseNullFreeNonAtomicValueFlattening, true, EXPERIMENTAL, \
+ "Allow the JVM to flatten some null-free non-atomic values") \
+ \
+ product(bool, UseNullFreeAtomicValueFlattening, true, EXPERIMENTAL, \
+ "Allow the JVM to flatten some null-free atomic values") \
+ \
+ product(bool, UseNullableNonAtomicValueFlattening, true, DIAGNOSTIC, \
+ "Allow the JVM to flatten some strict final non-static fields") \
+ \
+ product(intx, FlatArrayElementMaxOops, 4, DIAGNOSTIC, \
+ "Max number of embedded object references in a value container " \
+ "before no flattening attempts are made, <0 indicates no limit") \
+ \
+ develop(ccstrlist, PrintInlineKlassFields, "", \
+ "Print fields collected by InlineKlass::collect_fields") \
+ \
/* Need to limit the extent of the padding to reasonable size. */\
/* 8K is well beyond the reasonable HW cache line size, even with */\
/* aggressive prefetching, while still leaving the room for segregating */\
/* among the distinct pages. */\
product(int, ContendedPaddingWidth, 128, \
"Print generated stub code for method handles") \
\
product(bool, VerifyMethodHandles, trueInDebug, DIAGNOSTIC, \
"perform extra checks when constructing method handles") \
\
+ product(bool, IgnoreAssertUnsetFields, false, DIAGNOSTIC, \
+ "Ignore assert_unset_fields") \
+ \
product(bool, ShowHiddenFrames, false, DIAGNOSTIC, \
"show method handle implementation frames (usually hidden)") \
\
product(bool, ShowCarrierFrames, false, DIAGNOSTIC, \
"show virtual threads' carrier frames in exceptions") \
"Start flight recording with options")) \
\
product(bool, UseFastUnorderedTimeStamps, false, EXPERIMENTAL, \
"Use platform unstable time where supported for timestamps only") \
\
+ product_pd(bool, InlineTypePassFieldsAsArgs, DIAGNOSTIC, \
+ "Pass each inline type field as an argument at calls") \
+ \
+ product_pd(bool, InlineTypeReturnedAsFields, DIAGNOSTIC, \
+ "Return fields instead of an inline type reference") \
+ \
+ develop(bool, StressCallingConvention, false, \
+ "Stress the scalarized calling convention.") \
+ \
+ develop(bool, PreloadClasses, true, \
+ "Preloading all classes from the LoadableDescriptors attribute") \
+ \
+ product(ccstrlist, ForceNonTearable, "", DIAGNOSTIC, \
+ "List of inline classes which are forced to be atomic " \
+ "(whitespace and commas separate names, " \
+ "and leading and trailing stars '*' are wildcards)") \
+ \
product(bool, DeoptimizeNMethodBarriersALot, false, DIAGNOSTIC, \
"Make nmethod barriers deoptimise a lot.") \
\
develop(bool, VerifyCrossModifyFence, \
false AARCH64_ONLY(DEBUG_ONLY(||true)), \
"contention on Threads_lock.") \
\
develop(uint, BinarySearchThreshold, 16, \
"Minimal number of elements in a sorted collection to prefer" \
"binary search over simple linear search." ) \
- \
// end of RUNTIME_FLAGS
DECLARE_FLAGS(LP64_RUNTIME_FLAGS)
DECLARE_ARCH_FLAGS(ARCH_FLAGS)
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