1 //------------------------------------------------------------------------------
2 // Copyright (c) 2001-2004, Haiku
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a
5 // copy of this software and associated documentation files (the "Software"),
6 // to deal in the Software without restriction, including without limitation
7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 // and/or sell copies of the Software, and to permit persons to whom the
9 // Software is furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 // DEALINGS IN THE SOFTWARE.
21 //
22 // File Name: StopWatch.cpp
23 // Author(s): unknown
24 //
25 // Description: Timer Class, mostly useful for debugging
26 //
27 //
28 //
29 //------------------------------------------------------------------------------
30
31 #include <OS.h> // for system_time()
32 #include <StopWatch.h>
33
34 #include <stdio.h>
35
36
BStopWatch(const char * name,bool silent)37 BStopWatch::BStopWatch(const char *name, bool silent)
38 :
39 fName(name),
40 fSilent(silent)
41 {
42 Reset();
43 }
44
45
~BStopWatch()46 BStopWatch::~BStopWatch()
47 {
48 if (!fSilent){
49 printf("StopWatch \"%s\": %d usecs.\n", fName, (int)ElapsedTime());
50
51 if (fLap) {
52 for (int i = 1; i <= fLap; i++){
53 if (!((i-1)%4))
54 printf("\n ");
55 printf("[%d: %d#%d] ", i, (int)(fLaps[i]-fStart), (int)(fLaps[i] - fLaps[i -1 ]));
56 }
57 printf("\n");
58 }
59 }
60 }
61
62
63 void
Suspend()64 BStopWatch::Suspend()
65 {
66 if (!fSuspendTime)
67 fSuspendTime = system_time();
68 }
69
70
71 void
Resume()72 BStopWatch::Resume()
73 {
74 if (fSuspendTime) {
75 fStart += system_time() - fSuspendTime;
76 fSuspendTime = 0;
77 }
78 }
79
80
81 bigtime_t
Lap()82 BStopWatch::Lap()
83 {
84 if (!fSuspendTime){
85 if (fLap<9)
86 fLap++;
87 fLaps[fLap] = system_time();
88
89 return system_time() - fStart;
90 } else
91 return 0;
92 }
93
94
95 bigtime_t
ElapsedTime() const96 BStopWatch::ElapsedTime() const
97 {
98 if (fSuspendTime)
99 return fSuspendTime - fStart;
100 else
101 return system_time() - fStart;
102 }
103
104
105 void
Reset()106 BStopWatch::Reset()
107 {
108 fStart = system_time(); // store current time
109 fSuspendTime = 0;
110 fLap = 0; // clear laps
111 for (int i = 0; i < 10; i++)
112 fLaps[i] = fStart;
113 }
114
115
116 const char *
Name() const117 BStopWatch::Name() const
118 {
119 return fName != NULL ? fName : "";
120 }
121
122
123 // just for future binary compatibility
_ReservedStopWatch1()124 void BStopWatch::_ReservedStopWatch1() {}
_ReservedStopWatch2()125 void BStopWatch::_ReservedStopWatch2() {}
126
127