1 /*
2 * Copyright (c) 1997, 2010, 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 *
65 // (must not be in a cleared state: must have been previously updated)
66 double seconds() const;
67 jlong milliseconds() const;
68 // ticks elapsed between VM start and last update
69 jlong ticks() const { return _counter; }
70 // ticks elapsed since last update
71 jlong ticks_since_update() const;
72 };
73
74 // TraceTime is used for tracing the execution time of a block
75 // Usage:
76 // { TraceTime t("block time")
77 // some_code();
78 // }
79 //
80
81 class TraceTime: public StackObj {
82 private:
83 bool _active; // do timing
84 bool _verbose; // report every timing
85 bool _print_cr; // add a CR to the end of the timer report
86 elapsedTimer _t; // timer
87 elapsedTimer* _accum; // accumulator
88 outputStream* _logfile; // output log file
89 public:
90 // Constuctors
91 TraceTime(const char* title,
92 bool doit = true,
93 bool print_cr = true,
94 outputStream *logfile = NULL);
95 TraceTime(const char* title,
96 elapsedTimer* accumulator,
97 bool doit = true,
98 bool verbose = false,
99 outputStream *logfile = NULL );
100 ~TraceTime();
101
102 // Accessors
103 void set_verbose(bool verbose) { _verbose = verbose; }
104 bool verbose() const { return _verbose; }
105
106 // Activation
107 void suspend() { if (_active) _t.stop(); }
108 void resume() { if (_active) _t.start(); }
109 };
110
111 class TraceCPUTime: public StackObj {
112 private:
113 bool _active; // true if times will be measured and printed
114 bool _print_cr; // if true print carriage return at end
115 double _starting_user_time; // user time at start of measurement
116 double _starting_system_time; // system time at start of measurement
117 double _starting_real_time; // real time at start of measurement
118 outputStream* _logfile; // output is printed to this stream
119 bool _error; // true if an error occurred, turns off output
120
121 public:
122 TraceCPUTime(bool doit = true,
123 bool print_cr = true,
124 outputStream *logfile = NULL);
125 ~TraceCPUTime();
126 };
127
128 #endif // SHARE_VM_RUNTIME_TIMER_HPP
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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 *
65 // (must not be in a cleared state: must have been previously updated)
66 double seconds() const;
67 jlong milliseconds() const;
68 // ticks elapsed between VM start and last update
69 jlong ticks() const { return _counter; }
70 // ticks elapsed since last update
71 jlong ticks_since_update() const;
72 };
73
74 // TraceTime is used for tracing the execution time of a block
75 // Usage:
76 // { TraceTime t("block time")
77 // some_code();
78 // }
79 //
80
81 class TraceTime: public StackObj {
82 private:
83 bool _active; // do timing
84 bool _verbose; // report every timing
85 elapsedTimer _t; // timer
86 elapsedTimer* _accum; // accumulator
87 public:
88 // Constructors
89 TraceTime(const char* title,
90 bool doit = true);
91 TraceTime(const char* title,
92 elapsedTimer* accumulator,
93 bool doit = true,
94 bool verbose = false);
95 ~TraceTime();
96
97 // Accessors
98 void set_verbose(bool verbose) { _verbose = verbose; }
99 bool verbose() const { return _verbose; }
100
101 // Activation
102 void suspend() { if (_active) _t.stop(); }
103 void resume() { if (_active) _t.start(); }
104 };
105
106 class TraceCPUTime: public StackObj {
107 private:
108 bool _active; // true if times will be measured and printed
109 bool _print_cr; // if true print carriage return at end
110 double _starting_user_time; // user time at start of measurement
111 double _starting_system_time; // system time at start of measurement
112 double _starting_real_time; // real time at start of measurement
113 outputStream* _logfile; // output is printed to this stream
114 bool _error; // true if an error occurred, turns off output
115
116 public:
117 TraceCPUTime(bool doit = true,
118 bool print_cr = true,
119 outputStream *logfile = NULL);
120 ~TraceCPUTime();
121 };
122
123 class TimeHelper {
124 public:
125 static double counter_to_seconds(jlong counter);
126 };
127
128 #endif // SHARE_VM_RUNTIME_TIMER_HPP
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