--- old/src/share/vm/memory/gcLocker.cpp Tue Feb 14 12:24:14 2012 +++ new/src/share/vm/memory/gcLocker.cpp Tue Feb 14 12:24:13 2012 @@ -31,7 +31,6 @@ volatile jint GC_locker::_lock_count = 0; volatile bool GC_locker::_needs_gc = false; volatile bool GC_locker::_doing_gc = false; -jlong GC_locker::_wait_begin = 0; #ifdef ASSERT volatile jint GC_locker::_debug_jni_lock_count = 0; @@ -69,9 +68,8 @@ _needs_gc = true; if (PrintJNIGCStalls && PrintGCDetails) { ResourceMark rm; // JavaThread::name() allocates to convert to UTF8 - _wait_begin = os::javaTimeNanos() / NANOSECS_PER_MILLISEC; - gclog_or_tty->print_cr(INT64_FORMAT ": Setting _needs_gc. Thread \"%s\" %d locked.", - _wait_begin, Thread::current()->name(), _jni_lock_count); + gclog_or_tty->print_cr("%.3f: Setting _needs_gc. Thread \"%s\" %d locked.", + gclog_or_tty->time_stamp().seconds(), Thread::current()->name(), _jni_lock_count); } } @@ -85,8 +83,8 @@ if (needs_gc()) { if (PrintJNIGCStalls && PrintGCDetails) { ResourceMark rm; // JavaThread::name() allocates to convert to UTF8 - gclog_or_tty->print_cr(INT64_FORMAT ": Allocation failed. Thread \"%s\" is stalled by JNI critical section, %d locked.", - (os::javaTimeNanos() / NANOSECS_PER_MILLISEC) - _wait_begin, Thread::current()->name(), _jni_lock_count); + gclog_or_tty->print_cr("%.3f: Allocation failed. Thread \"%s\" is stalled by JNI critical section, %d locked.", + gclog_or_tty->time_stamp().seconds(), Thread::current()->name(), _jni_lock_count); } } @@ -131,8 +129,8 @@ MutexUnlocker munlock(JNICritical_lock); if (PrintJNIGCStalls && PrintGCDetails) { ResourceMark rm; // JavaThread::name() allocates to convert to UTF8 - gclog_or_tty->print_cr(INT64_FORMAT ": Thread \"%s\" is performing GC after exiting critical section, %d locked", - (os::javaTimeNanos() / NANOSECS_PER_MILLISEC) - _wait_begin, Thread::current()->name(), _jni_lock_count); + gclog_or_tty->print_cr("%.3f: Thread \"%s\" is performing GC after exiting critical section, %d locked", + gclog_or_tty->time_stamp().seconds(), Thread::current()->name(), _jni_lock_count); } Universe::heap()->collect(GCCause::_gc_locker); }