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6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate

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Update and display the timers associated with these flags for all safepoints.

Reviewed-by: ysr, jcoomes
This commit is contained in:
John Cuthbertson 2010-02-09 13:56:09 -08:00
parent a88853347f
commit 0356567ed8
2 changed files with 18 additions and 13 deletions
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13
hotspot/src/share/vm/runtime/vmThread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1998-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -426,11 +426,6 @@ void VMThread::loop() {
// follow that also require a safepoint
if (_cur_vm_operation->evaluate_at_safepoint()) {
if (PrintGCApplicationConcurrentTime) {
gclog_or_tty->print_cr("Application time: %3.7f seconds",
RuntimeService::last_application_time_sec());
}
_vm_queue->set_drain_list(safepoint_ops); // ensure ops can be scanned
SafepointSynchronize::begin();
@ -477,12 +472,6 @@ void VMThread::loop() {
// Complete safepoint synchronization
SafepointSynchronize::end();
if (PrintGCApplicationStoppedTime) {
gclog_or_tty->print_cr("Total time for which application threads "
"were stopped: %3.7f seconds",
RuntimeService::last_safepoint_time_sec());
}
} else { // not a safepoint operation
if (TraceLongCompiles) {
elapsedTimer t;