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comparison src/share/vm/runtime/vmThread.cpp @ 1260:8859772195c6

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6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate. Summary: Update and display the timers associated with these flags for all safepoints. Reviewed-by: ysr, jcoomes
author johnc
date Tue, 09 Feb 2010 13:56:09 -0800
parents 547f81740344
children e392695de029
comparison
equal deleted inserted replaced
1259:9eee977dd1a9 1260:8859772195c6
1 /* 1 /*
2 * Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1998-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
423 os::hint_no_preempt(); 423 os::hint_no_preempt();
424 424
425 // If we are at a safepoint we will evaluate all the operations that 425 // If we are at a safepoint we will evaluate all the operations that
426 // follow that also require a safepoint 426 // follow that also require a safepoint
427 if (_cur_vm_operation->evaluate_at_safepoint()) { 427 if (_cur_vm_operation->evaluate_at_safepoint()) {
428
429 if (PrintGCApplicationConcurrentTime) {
430 gclog_or_tty->print_cr("Application time: %3.7f seconds",
431 RuntimeService::last_application_time_sec());
432 }
433 428
434 _vm_queue->set_drain_list(safepoint_ops); // ensure ops can be scanned 429 _vm_queue->set_drain_list(safepoint_ops); // ensure ops can be scanned
435 430
436 SafepointSynchronize::begin(); 431 SafepointSynchronize::begin();
437 evaluate_operation(_cur_vm_operation); 432 evaluate_operation(_cur_vm_operation);
475 _vm_queue->set_drain_list(NULL); 470 _vm_queue->set_drain_list(NULL);
476 471
477 // Complete safepoint synchronization 472 // Complete safepoint synchronization
478 SafepointSynchronize::end(); 473 SafepointSynchronize::end();
479 474
480 if (PrintGCApplicationStoppedTime) {
481 gclog_or_tty->print_cr("Total time for which application threads "
482 "were stopped: %3.7f seconds",
483 RuntimeService::last_safepoint_time_sec());
484 }
485
486 } else { // not a safepoint operation 475 } else { // not a safepoint operation
487 if (TraceLongCompiles) { 476 if (TraceLongCompiles) {
488 elapsedTimer t; 477 elapsedTimer t;
489 t.start(); 478 t.start();
490 evaluate_operation(_cur_vm_operation); 479 evaluate_operation(_cur_vm_operation);