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8047104: cleanup misc issues prior to Contended Locking reorder and cache

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Checkpoint misc cleanups for Contended Locking prior to first optimization bucket.

Reviewed-by: dholmes, sspitsyn, dice
This commit is contained in:
Daniel D. Daugherty 2014-07-03 11:07:51 -07:00
parent a145a396fc
commit 2876714328
16 changed files with 173 additions and 200 deletions
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18
hotspot/src/share/vm/runtime/sharedRuntime.cpp
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@ -1810,14 +1810,8 @@ JRT_END
// Handles the uncommon case in locking, i.e., contention or an inflated lock.
#ifndef PRODUCT
int SharedRuntime::_monitor_enter_ctr=0;
#endif
JRT_ENTRY_NO_ASYNC(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj, BasicLock* lock, JavaThread* thread))
oop obj(_obj);
#ifndef PRODUCT
_monitor_enter_ctr++; // monitor enter slow
#endif
if (PrintBiasedLockingStatistics) {
Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
}
@ -1831,15 +1825,9 @@ JRT_ENTRY_NO_ASYNC(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj
assert(!HAS_PENDING_EXCEPTION, "Should have no exception here");
JRT_END
#ifndef PRODUCT
int SharedRuntime::_monitor_exit_ctr=0;
#endif
// Handles the uncommon cases of monitor unlocking in compiled code
JRT_LEAF(void, SharedRuntime::complete_monitor_unlocking_C(oopDesc* _obj, BasicLock* lock))
oop obj(_obj);
#ifndef PRODUCT
_monitor_exit_ctr++; // monitor exit slow
#endif
Thread* THREAD = JavaThread::current();
// I'm not convinced we need the code contained by MIGHT_HAVE_PENDING anymore
// testing was unable to ever fire the assert that guarded it so I have removed it.
@ -1879,8 +1867,6 @@ void SharedRuntime::print_statistics() {
ttyLocker ttyl;
if (xtty != NULL) xtty->head("statistics type='SharedRuntime'");
if (_monitor_enter_ctr) tty->print_cr("%5d monitor enter slow", _monitor_enter_ctr);
if (_monitor_exit_ctr) tty->print_cr("%5d monitor exit slow", _monitor_exit_ctr);
if (_throw_null_ctr) tty->print_cr("%5d implicit null throw", _throw_null_ctr);
SharedRuntime::print_ic_miss_histogram();
@ -2464,9 +2450,9 @@ AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter(methodHandle method) {
if (PrintAdapterHandlers || PrintStubCode) {
ttyLocker ttyl;
entry->print_adapter_on(tty);
tty->print_cr("i2c argument handler #%d for: %s %s (%d bytes generated)",
tty->print_cr("i2c argument handler #%d for: %s %s %s (%d bytes generated)",
_adapters->number_of_entries(), (method->is_static() ? "static" : "receiver"),
method->signature()->as_C_string(), insts_size);
method->signature()->as_C_string(), fingerprint->as_string(), insts_size);
tty->print_cr("c2i argument handler starts at %p", entry->get_c2i_entry());
if (Verbose || PrintStubCode) {
address first_pc = entry->base_address();