1 /*
2 * Copyright (c) 1997, 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 "memory/allocation.hpp"
27 #include "runtime/init.hpp"
28 #include "runtime/task.hpp"
29 #include "runtime/thread.inline.hpp"
30 #include "runtime/timer.hpp"
31 #ifdef TARGET_OS_FAMILY_linux
32 # include "os_linux.inline.hpp"
33 #endif
34 #ifdef TARGET_OS_FAMILY_solaris
35 # include "os_solaris.inline.hpp"
36 #endif
37 #ifdef TARGET_OS_FAMILY_windows
38 # include "os_windows.inline.hpp"
39 #endif
40 #ifdef TARGET_OS_FAMILY_bsd
41 # include "os_bsd.inline.hpp"
42 #endif
43
44 int PeriodicTask::_num_tasks = 0;
45 PeriodicTask* PeriodicTask::_tasks[PeriodicTask::max_tasks];
46 #ifndef PRODUCT
47 elapsedTimer PeriodicTask::_timer;
48 int PeriodicTask::_intervalHistogram[PeriodicTask::max_interval];
49 int PeriodicTask::_ticks;
50
51 void PeriodicTask::print_intervals() {
52 if (ProfilerCheckIntervals) {
53 for (int i = 0; i < PeriodicTask::max_interval; i++) {
54 int n = _intervalHistogram[i];
55 if (n > 0) tty->print_cr("%3d: %5d (%4.1f%%)", i, n, 100.0 * n / _ticks);
56 }
57 }
58 }
59 #endif
60
61 void PeriodicTask::real_time_tick(int delay_time) {
62 #ifndef PRODUCT
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1 /*
2 * Copyright (c) 1997, 2014, 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 "memory/allocation.hpp"
27 #include "runtime/init.hpp"
28 #include "runtime/task.hpp"
29 #include "runtime/thread.inline.hpp"
30 #include "runtime/timer.hpp"
31
32 int PeriodicTask::_num_tasks = 0;
33 PeriodicTask* PeriodicTask::_tasks[PeriodicTask::max_tasks];
34 #ifndef PRODUCT
35 elapsedTimer PeriodicTask::_timer;
36 int PeriodicTask::_intervalHistogram[PeriodicTask::max_interval];
37 int PeriodicTask::_ticks;
38
39 void PeriodicTask::print_intervals() {
40 if (ProfilerCheckIntervals) {
41 for (int i = 0; i < PeriodicTask::max_interval; i++) {
42 int n = _intervalHistogram[i];
43 if (n > 0) tty->print_cr("%3d: %5d (%4.1f%%)", i, n, 100.0 * n / _ticks);
44 }
45 }
46 }
47 #endif
48
49 void PeriodicTask::real_time_tick(int delay_time) {
50 #ifndef PRODUCT
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