stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8130332: StarvationMonitorInterval, PreInflateSpin, VerifyGenericSignatures and CountInterpCalls VM Options can be deprecated or removed in JDK 9

Browse Source 
Deprecate StarvationMonitorInterval and PreInflateSpin, remove VerifyGenericSignatures and CountInterpCalls

Reviewed-by: coleenp, gziemski
This commit is contained in:
Dmitry Dmitriev 2015-07-11 12:36:46 +03:00
parent 34bcc977bc
commit 8486cb7650
8 changed files with 2 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hotspot/src/cpu/aarch64/vm/globals_aarch64.hpp
View File

@ -34,7 +34,6 @@
define_pd_global(bool, ConvertSleepToYield, true);
define_pd_global(bool, ShareVtableStubs, true);
define_pd_global(bool, CountInterpCalls, true);
define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
@ -61,8 +60,6 @@ define_pd_global(intx, StackRedPages, 1);
define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
define_pd_global(intx, PreInflateSpin, 10);
define_pd_global(bool, RewriteBytecodes, true);
define_pd_global(bool, RewriteFrequentPairs, true);

2
hotspot/src/cpu/ppc/vm/globals_ppc.hpp
View File

@ -47,8 +47,6 @@ define_pd_global(intx, OptoLoopAlignment, 16);
define_pd_global(intx, InlineFrequencyCount, 100);
define_pd_global(intx, InlineSmallCode, 1500);
define_pd_global(intx, PreInflateSpin, 10);
// Flags for template interpreter.
define_pd_global(bool, RewriteBytecodes, true);
define_pd_global(bool, RewriteFrequentPairs, true);

3
hotspot/src/cpu/sparc/vm/globals_sparc.hpp
View File

@ -39,7 +39,6 @@
define_pd_global(bool, DontYieldALot, true); // yield no more than 100 times per second
define_pd_global(bool, ConvertSleepToYield, false); // do not convert sleep(0) to yield. Helps GUI
define_pd_global(bool, ShareVtableStubs, false); // improves performance markedly for mtrt and compress
define_pd_global(bool, CountInterpCalls, false); // not implemented in the interpreter
define_pd_global(bool, NeedsDeoptSuspend, true); // register window machines need this
define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
@ -67,8 +66,6 @@ define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
define_pd_global(intx, StackYellowPages, 2);
define_pd_global(intx, StackRedPages, 1);
define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center
define_pd_global(bool, RewriteBytecodes, true);
define_pd_global(bool, RewriteFrequentPairs, true);

3
hotspot/src/cpu/x86/vm/globals_x86.hpp
View File

@ -33,7 +33,6 @@
define_pd_global(bool, ConvertSleepToYield, true);
define_pd_global(bool, ShareVtableStubs, true);
define_pd_global(bool, CountInterpCalls, true);
define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
@ -66,8 +65,6 @@ define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(
define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
#endif // AMD64
define_pd_global(intx, PreInflateSpin, 10);
define_pd_global(bool, RewriteBytecodes, true);
define_pd_global(bool, RewriteFrequentPairs, true);

2
hotspot/src/cpu/zero/vm/globals_zero.hpp
View File

@ -34,7 +34,6 @@
define_pd_global(bool, ConvertSleepToYield, true);
define_pd_global(bool, ShareVtableStubs, true);
define_pd_global(bool, CountInterpCalls, true);
define_pd_global(bool, NeedsDeoptSuspend, false);
define_pd_global(bool, ImplicitNullChecks, true);
@ -45,7 +44,6 @@ define_pd_global(intx, CodeEntryAlignment, 32);
define_pd_global(intx, OptoLoopAlignment, 16);
define_pd_global(intx, InlineFrequencyCount, 100);
define_pd_global(intx, InlineSmallCode, 1000 );
define_pd_global(intx, PreInflateSpin, 10);
define_pd_global(intx, StackYellowPages, 2);
define_pd_global(intx, StackRedPages, 1);

9
hotspot/src/os/windows/vm/os_windows.cpp
View File

@ -3740,15 +3740,6 @@ void os::win32::initialize_system_info() {
"stack size not a multiple of page size");
initialize_performance_counter();
// Win95/Win98 scheduler bug work-around. The Win95/98 scheduler is
// known to deadlock the system, if the VM issues to thread operations with
// a too high frequency, e.g., such as changing the priorities.
// The 6000 seems to work well - no deadlocks has been notices on the test
// programs that we have seen experience this problem.
if (!os::win32::is_nt()) {
StarvationMonitorInterval = 6000;
}
}

2
hotspot/src/share/vm/runtime/arguments.cpp
View File

@ -277,6 +277,8 @@ static ObsoleteFlag obsolete_jvm_flags[] = {
{ "ParallelGCRetainPLAB", JDK_Version::jdk(9), JDK_Version::jdk(10) },
{ "ThreadSafetyMargin", JDK_Version::jdk(9), JDK_Version::jdk(10) },
{ "LazyBootClassLoader", JDK_Version::jdk(9), JDK_Version::jdk(10) },
{ "StarvationMonitorInterval", JDK_Version::jdk(9), JDK_Version::jdk(10) },
{ "PreInflateSpin", JDK_Version::jdk(9), JDK_Version::jdk(10) },
{ NULL, JDK_Version(0), JDK_Version(0) }
};

9
hotspot/src/share/vm/runtime/globals.hpp
View File

@ -3282,9 +3282,6 @@ public:
develop(intx, ProfilerNodeSize, 1024, \
"Size in K to allocate for the Profile Nodes of each thread") \
\
product_pd(intx, PreInflateSpin, \
"Number of times to spin wait before inflation") \
\
/* gc parameters */ \
product(size_t, InitialHeapSize, 0, \
"Initial heap size (in bytes); zero means use ergonomics") \
@ -3725,9 +3722,6 @@ public:
develop(intx, LongCompileThreshold, 50, \
"Used with +TraceLongCompiles") \
\
product(intx, StarvationMonitorInterval, 200, \
"Pause between each check (in milliseconds)") \
\
/* recompilation */ \
product_pd(intx, CompileThreshold, \
"number of interpreted method invocations before (re-)compiling") \
@ -4080,9 +4074,6 @@ public:
develop(bool, TraceDefaultMethods, false, \
"Trace the default method processing steps") \
\
develop(bool, VerifyGenericSignatures, false, \
"Abort VM on erroneous or inconsistent generic signatures") \
\
diagnostic(bool, WhiteBoxAPI, false, \
"Enable internal testing APIs") \
\