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7145537: minor tweaks to LogEvents

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2012-02-15 10:12:55 -08:00
parent e6f3ba89ec
commit 520f6fcc87
10 changed files with 47 additions and 42 deletions
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14
hotspot/src/share/vm/memory/gcLocker.cpp
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@ -31,7 +31,6 @@ volatile jint GC_locker::_jni_lock_count = 0;
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 @@ bool GC_locker::check_active_before_gc() {
_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 @@ void GC_locker::stall_until_clear() {
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 @@ void GC_locker::jni_unlock(JavaThread* thread) {
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);
}