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 #ifndef SHARE_VM_RUNTIME_TIMER_HPP
26 #define SHARE_VM_RUNTIME_TIMER_HPP
27
28 #include "utilities/globalDefinitions.hpp"
29
30 // Timers for simple measurement.
31
32 class elapsedTimer VALUE_OBJ_CLASS_SPEC {
33 friend class VMStructs;
34 private:
35 jlong _counter;
36 jlong _start_counter;
37 bool _active;
38 public:
39 elapsedTimer() { _active = false; reset(); }
40 void add(elapsedTimer t);
41 void start();
42 void stop();
43 void reset() { _counter = 0; }
44 double seconds() const;
45 jlong milliseconds() const;
46 jlong ticks() const { return _counter; }
47 jlong active_ticks() const;
48 bool is_active() const { return _active; }
49 };
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 {
|
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 #ifndef SHARE_VM_RUNTIME_TIMER_HPP
26 #define SHARE_VM_RUNTIME_TIMER_HPP
27
28 #include "utilities/globalDefinitions.hpp"
29
30 class GCPhaseTimeTracker;
31
32 // Timers for simple measurement.
33
34 class elapsedTimer VALUE_OBJ_CLASS_SPEC {
35 friend class VMStructs;
36 private:
37 jlong _counter;
38 jlong _start_counter;
39 bool _active;
40 public:
41 elapsedTimer() { _active = false; reset(); }
42 void add(elapsedTimer t);
43 void start();
44 void stop();
45 void reset() { _counter = 0; }
46 double seconds() const;
47 jlong milliseconds() const;
48 jlong ticks() const { return _counter; }
49 jlong active_ticks() const;
50 bool is_active() const { return _active; }
51 };
86 bool _verbose; // report every timing
87 elapsedTimer _t; // timer
88 elapsedTimer* _accum; // accumulator
89 public:
90 // Constructors
91 TraceTime(const char* title,
92 bool doit = true);
93 TraceTime(const char* title,
94 elapsedTimer* accumulator,
95 bool doit = true,
96 bool verbose = false);
97 ~TraceTime();
98
99 // Accessors
100 void set_verbose(bool verbose) { _verbose = verbose; }
101 bool verbose() const { return _verbose; }
102
103 // Activation
104 void suspend() { if (_active) _t.stop(); }
105 void resume() { if (_active) _t.start(); }
106 };
107
108 class TrackPhaseTime VALUE_OBJ_CLASS_SPEC {
109 private:
110 GCPhaseTimeTracker* _data;
111 uint _phase;
112 jlong _last;
113 public:
114 // Constructors
115 TrackPhaseTime(GCPhaseTimeTracker *data, uint phase);
116 ~TrackPhaseTime();
117 };
118
119 class TraceCPUTime: public StackObj {
120 private:
121 bool _active; // true if times will be measured and printed
122 bool _print_cr; // if true print carriage return at end
123 double _starting_user_time; // user time at start of measurement
124 double _starting_system_time; // system time at start of measurement
125 double _starting_real_time; // real time at start of measurement
126 outputStream* _logfile; // output is printed to this stream
127 bool _error; // true if an error occurred, turns off output
128
129 public:
130 TraceCPUTime(bool doit = true,
131 bool print_cr = true,
132 outputStream *logfile = NULL);
133 ~TraceCPUTime();
134 };
135
136 class TimeHelper {
|