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8058564: Tiered compilation performance drop in PIT

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Ensure MethodCounters are created before method is enqueued for compilation

Reviewed-by: kvn, drchase, jiangli
This commit is contained in:
Igor Veresov 2014-09-17 21:15:03 -07:00
parent 964c442938
commit ad7e67c98f
4 changed files with 18 additions and 17 deletions
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10
hotspot/src/share/vm/oops/method.cpp
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@ -93,7 +93,7 @@ Method::Method(ConstMethod* xconst, AccessFlags access_flags, int size) {
set_hidden(false);
set_dont_inline(false);
set_method_data(NULL);
set_method_counters(NULL);
clear_method_counters();
set_vtable_index(Method::garbage_vtable_index);
// Fix and bury in Method*
@ -117,7 +117,7 @@ void Method::deallocate_contents(ClassLoaderData* loader_data) {
MetadataFactory::free_metadata(loader_data, method_data());
set_method_data(NULL);
MetadataFactory::free_metadata(loader_data, method_counters());
set_method_counters(NULL);
clear_method_counters();
// The nmethod will be gone when we get here.
if (code() != NULL) _code = NULL;
}
@ -395,9 +395,7 @@ MethodCounters* Method::build_method_counters(Method* m, TRAPS) {
methodHandle mh(m);
ClassLoaderData* loader_data = mh->method_holder()->class_loader_data();
MethodCounters* counters = MethodCounters::allocate(loader_data, CHECK_NULL);
if (mh->method_counters() == NULL) {
mh->set_method_counters(counters);
} else {
if (!mh->init_method_counters(counters)) {
MetadataFactory::free_metadata(loader_data, counters);
}
return mh->method_counters();
@ -859,7 +857,7 @@ void Method::unlink_method() {
assert(!DumpSharedSpaces || _method_data == NULL, "unexpected method data?");
set_method_data(NULL);
set_method_counters(NULL);
clear_method_counters();
}
// Called when the method_holder is getting linked. Setup entrypoints so the method