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comparison src/share/vm/services/runtimeService.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2003-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 class RuntimeService : public AllStatic {
26 private:
27 static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints
28 static PerfCounter* _total_safepoints;
29 static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints
30 static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
31 static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
32 static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT
33 static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT
34
35 static TimeStamp _safepoint_timer;
36 static TimeStamp _app_timer;
37
38 public:
39 static void init();
40
41 static jlong safepoint_sync_time_ms();
42 static jlong safepoint_count();
43 static jlong safepoint_time_ms();
44 static jlong application_time_ms();
45
46 static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); }
47 static double last_application_time_sec() { return _app_timer.seconds(); }
48
49 // callbacks
50 static void record_safepoint_begin();
51 static void record_safepoint_synchronized();
52 static void record_safepoint_end();
53 static void record_application_start();
54
55 // interruption events
56 static void record_interrupted_before_count();
57 static void record_interrupted_during_count();
58 static void record_thread_interrupt_signaled_count();
59 };