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1 /*
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2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 class RuntimeService : public AllStatic {
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26 private:
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27 static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints
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28 static PerfCounter* _total_safepoints;
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29 static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints
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30 static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
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31 static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
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32 static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT
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33 static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT
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34
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35 static TimeStamp _safepoint_timer;
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36 static TimeStamp _app_timer;
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37
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38 public:
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39 static void init();
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40
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41 static jlong safepoint_sync_time_ms();
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42 static jlong safepoint_count();
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43 static jlong safepoint_time_ms();
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44 static jlong application_time_ms();
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45
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46 static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); }
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47 static double last_application_time_sec() { return _app_timer.seconds(); }
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48
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49 // callbacks
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50 static void record_safepoint_begin();
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51 static void record_safepoint_synchronized();
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52 static void record_safepoint_end();
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53 static void record_application_start();
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54
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55 // interruption events
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56 static void record_interrupted_before_count();
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57 static void record_interrupted_during_count();
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58 static void record_thread_interrupt_signaled_count();
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59 };
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