1 /*
2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc_implementation/shared/gcTimer.hpp"
27 #include "gc_implementation/shared/gcTrace.hpp"
28 #include "gc_implementation/shared/gcTraceTime.hpp"
29 #include "runtime/globals.hpp"
30 #include "runtime/os.hpp"
31 #include "runtime/safepoint.hpp"
32 #include "runtime/thread.inline.hpp"
33 #include "runtime/timer.hpp"
34 #include "utilities/ostream.hpp"
35 #include "utilities/ticks.inline.hpp"
36
37
38 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer, GCId gc_id) :
39 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() {
40 if (_doit || _timer != NULL) {
41 _start_counter.stamp();
42 }
43
44 if (_timer != NULL) {
45 assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints");
46 assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread");
47
48 _timer->register_gc_phase_start(title, _start_counter);
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1 /*
2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/shared/gcTimer.hpp"
27 #include "gc/shared/gcTrace.hpp"
28 #include "gc/shared/gcTraceTime.hpp"
29 #include "runtime/globals.hpp"
30 #include "runtime/os.hpp"
31 #include "runtime/safepoint.hpp"
32 #include "runtime/thread.inline.hpp"
33 #include "runtime/timer.hpp"
34 #include "utilities/ostream.hpp"
35 #include "utilities/ticks.inline.hpp"
36
37
38 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer, GCId gc_id) :
39 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() {
40 if (_doit || _timer != NULL) {
41 _start_counter.stamp();
42 }
43
44 if (_timer != NULL) {
45 assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints");
46 assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread");
47
48 _timer->register_gc_phase_start(title, _start_counter);
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