Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/gcTraceTime.cpp @ 20190:0982ec23da03
8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
Reviewed-by: jwilhelm, ehelin, tschatzl
| author | brutisso |
|---|---|
| date | Thu, 19 Jun 2014 13:31:14 +0200 |
| parents | 86e6d691f2e1 |
| children |
| rev | line source |
|---|---|
| 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" | |
|
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27 #include "gc_implementation/shared/gcTrace.hpp" |
| 10405 | 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" | |
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35 #include "utilities/ticks.inline.hpp" |
| 10405 | 36 |
| 37 | |
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38 GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer, GCId gc_id) : |
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39 _title(title), _doit(doit), _print_cr(print_cr), _timer(timer), _start_counter() { |
| 10405 | 40 if (_doit || _timer != NULL) { |
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41 _start_counter.stamp(); |
| 10405 | 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); | |
| 49 } | |
| 50 | |
| 51 if (_doit) { | |
| 52 if (PrintGCTimeStamps) { | |
| 53 gclog_or_tty->stamp(); | |
| 54 gclog_or_tty->print(": "); | |
| 55 } | |
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56 if (PrintGCID) { |
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57 gclog_or_tty->print("#%u: ", gc_id.id()); |
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0982ec23da03
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brutisso
parents:
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58 } |
| 10405 | 59 gclog_or_tty->print("[%s", title); |
| 60 gclog_or_tty->flush(); | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 GCTraceTime::~GCTraceTime() { | |
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65 Ticks stop_counter; |
| 10405 | 66 |
| 67 if (_doit || _timer != NULL) { | |
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68 stop_counter.stamp(); |
| 10405 | 69 } |
| 70 | |
| 71 if (_timer != NULL) { | |
| 72 _timer->register_gc_phase_end(stop_counter); | |
| 73 } | |
| 74 | |
| 75 if (_doit) { | |
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76 const Tickspan duration = stop_counter - _start_counter; |
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77 double duration_in_seconds = TicksToTimeHelper::seconds(duration); |
| 10405 | 78 if (_print_cr) { |
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79 gclog_or_tty->print_cr(", %3.7f secs]", duration_in_seconds); |
| 10405 | 80 } else { |
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81 gclog_or_tty->print(", %3.7f secs]", duration_in_seconds); |
| 10405 | 82 } |
| 83 gclog_or_tty->flush(); | |
| 84 } | |
| 85 } |