blob: 30dbd7e7d50dd6c5cdeefafc15f4f45c08696857 [file] [log] [blame]
Craig Tiller2d0f36c2015-02-23 23:16:17 -08001/*
2 *
3 * Copyright 2015, Google Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 * * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34#ifndef TEST_QPS_TIMER_H
35#define TEST_QPS_TIMER_H
36
37class Timer {
38 public:
39 Timer();
40
41 struct Result {
Craig Tiller10923c22015-03-03 14:24:49 -080042 double wall;
43 double user;
44 double system;
Craig Tiller2d0f36c2015-02-23 23:16:17 -080045 };
46
47 Result Mark();
48
Craig Tiller6af9ed02015-03-02 22:42:10 -080049 static double Now();
50
Craig Tiller2d0f36c2015-02-23 23:16:17 -080051 private:
52 static Result Sample();
53
54 const Result start_;
55};
56
Craig Tiller10923c22015-03-03 14:24:49 -080057#endif // TEST_QPS_TIMER_H