Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/gcTraceTime.cpp @ 18603:43e2cc9a4fde
removed reference to com.oracle.graal.compiler.CompilerThread from VM code
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 03 Dec 2014 18:53:22 +0100 |
parents | 86e6d691f2e1 |
children | 0982ec23da03 |
rev | line source |
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10405 | 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/gcTraceTime.hpp" | |
28 #include "runtime/globals.hpp" | |
29 #include "runtime/os.hpp" | |
30 #include "runtime/safepoint.hpp" | |
31 #include "runtime/thread.inline.hpp" | |
32 #include "runtime/timer.hpp" | |
33 #include "utilities/ostream.hpp" | |
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34 #include "utilities/ticks.inline.hpp" |
10405 | 35 |
36 | |
37 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer) : | |
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38 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() { |
10405 | 39 if (_doit || _timer != NULL) { |
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40 _start_counter.stamp(); |
10405 | 41 } |
42 | |
43 if (_timer != NULL) { | |
44 assert(SafepointSynchronize::is_at_safepoint(), "Tracing currently only supported at safepoints"); | |
45 assert(Thread::current()->is_VM_thread(), "Tracing currently only supported from the VM thread"); | |
46 | |
47 _timer->register_gc_phase_start(title, _start_counter); | |
48 } | |
49 | |
50 if (_doit) { | |
51 if (PrintGCTimeStamps) { | |
52 gclog_or_tty->stamp(); | |
53 gclog_or_tty->print(": "); | |
54 } | |
55 gclog_or_tty->print("[%s", title); | |
56 gclog_or_tty->flush(); | |
57 } | |
58 } | |
59 | |
60 GCTraceTime::~GCTraceTime() { | |
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61 Ticks stop_counter; |
10405 | 62 |
63 if (_doit || _timer != NULL) { | |
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64 stop_counter.stamp(); |
10405 | 65 } |
66 | |
67 if (_timer != NULL) { | |
68 _timer->register_gc_phase_end(stop_counter); | |
69 } | |
70 | |
71 if (_doit) { | |
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72 const Tickspan duration = stop_counter - _start_counter; |
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73 double duration_in_seconds = TicksToTimeHelper::seconds(duration); |
10405 | 74 if (_print_cr) { |
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75 gclog_or_tty->print_cr(", %3.7f secs]", duration_in_seconds); |
10405 | 76 } else { |
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77 gclog_or_tty->print(", %3.7f secs]", duration_in_seconds); |
10405 | 78 } |
79 gclog_or_tty->flush(); | |
80 } | |
81 } |