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7133260: AllocationProfiler uses space in metadata and doesn't seem to do anything useful

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Remove -Xaprof and Klass::_alloc_count & ArrayKlass::_alloc_size.

Reviewed-by: stefank, coleenp
This commit is contained in:
Jiangli Zhou 2013-07-03 17:26:59 -04:00
parent 4ecee47075
commit b454ece6d7
30 changed files with 7 additions and 388 deletions
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21
hotspot/src/share/vm/runtime/arguments.cpp
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@ -68,7 +68,6 @@ char* Arguments::_java_command = NULL;
SystemProperty* Arguments::_system_properties = NULL;
const char* Arguments::_gc_log_filename = NULL;
bool Arguments::_has_profile = false;
bool Arguments::_has_alloc_profile = false;
uintx Arguments::_min_heap_size = 0;
Arguments::Mode Arguments::_mode = _mixed;
bool Arguments::_java_compiler = false;
@ -1976,23 +1975,6 @@ bool Arguments::check_vm_args_consistency() {
status = status && check_gc_consistency();
status = status && check_stack_pages();
if (_has_alloc_profile) {
if (UseParallelGC || UseParallelOldGC) {
jio_fprintf(defaultStream::error_stream(),
"error: invalid argument combination.\n"
"Allocation profiling (-Xaprof) cannot be used together with "
"Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n");
status = false;
}
if (UseConcMarkSweepGC) {
jio_fprintf(defaultStream::error_stream(),
"error: invalid argument combination.\n"
"Allocation profiling (-Xaprof) cannot be used together with "
"the CMS collector (-XX:+UseConcMarkSweepGC).\n");
status = false;
}
}
if (CMSIncrementalMode) {
if (!UseConcMarkSweepGC) {
jio_fprintf(defaultStream::error_stream(),
@ -2667,9 +2649,6 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
"Flat profiling is not supported in this VM.\n");
return JNI_ERR;
#endif // INCLUDE_FPROF
// -Xaprof
} else if (match_option(option, "-Xaprof", &tail)) {
_has_alloc_profile = true;
// -Xconcurrentio
} else if (match_option(option, "-Xconcurrentio", &tail)) {
FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true);