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1 | /********************************************************************** |
2 | Copyright(c) 2011-2016 Intel Corporation All rights reserved. | |
3 | ||
4 | Redistribution and use in source and binary forms, with or without | |
5 | modification, are permitted provided that the following conditions | |
6 | are met: | |
7 | * Redistributions of source code must retain the above copyright | |
8 | notice, this list of conditions and the following disclaimer. | |
9 | * Redistributions in binary form must reproduce the above copyright | |
10 | notice, this list of conditions and the following disclaimer in | |
11 | the documentation and/or other materials provided with the | |
12 | distribution. | |
13 | * Neither the name of Intel Corporation nor the names of its | |
14 | contributors may be used to endorse or promote products derived | |
15 | from this software without specific prior written permission. | |
16 | ||
17 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
21 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
27 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | **********************************************************************/ | |
29 | ||
30 | ||
31 | #ifndef _TEST_H | |
32 | #define _TEST_H | |
33 | ||
34 | #ifdef __cplusplus | |
35 | extern "C" { | |
36 | #endif | |
37 | ||
38 | // Use sys/time.h functions for time | |
39 | ||
40 | #include <sys/time.h> | |
41 | ||
42 | struct perf{ | |
43 | struct timeval tv; | |
44 | }; | |
45 | ||
46 | ||
47 | inline int perf_start(struct perf *p) | |
48 | { | |
49 | return gettimeofday(&(p->tv), 0); | |
50 | } | |
51 | inline int perf_stop(struct perf *p) | |
52 | { | |
53 | return gettimeofday(&(p->tv), 0); | |
54 | } | |
55 | ||
56 | inline void perf_print(struct perf stop, struct perf start, long long dsize) | |
57 | { | |
58 | long long secs = stop.tv.tv_sec - start.tv.tv_sec; | |
59 | long long usecs = secs * 1000000 + stop.tv.tv_usec - start.tv.tv_usec; | |
60 | ||
61 | printf("runtime = %10lld usecs", usecs); | |
62 | if (dsize != 0) { | |
63 | #if 1 // not bug in printf for 32-bit | |
64 | printf(", bandwidth %lld MB in %.4f sec = %.2f MB/s\n", dsize/(1024*1024), | |
65 | ((double) usecs)/1000000, ((double) dsize) / (double)usecs); | |
66 | #else | |
67 | printf(", bandwidth %lld MB ", dsize/(1024*1024)); | |
68 | printf("in %.4f sec ",(double)usecs/1000000); | |
69 | printf("= %.2f MB/s\n", (double)dsize/usecs); | |
70 | #endif | |
71 | } | |
72 | else | |
73 | printf("\n"); | |
74 | } | |
75 | ||
76 | ||
77 | #ifdef __cplusplus | |
78 | } | |
79 | #endif | |
80 | ||
81 | #endif // _TEST_H |