1/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "loc_stub_time.h"
30#include <stdlib.h>
31#include <sys/time.h>
32#include <time.h>
33
34int64_t systemTime(int /*clock*/)
35{
36    struct timeval t;
37    t.tv_sec = t.tv_usec = 0;
38    gettimeofday(&t, NULL);
39    return t.tv_sec*1000000LL + t.tv_usec;
40}
41
42int64_t elapsedMicrosSinceBoot()
43{
44    struct timespec ts;
45    int64_t time_ms = 0;
46    clock_gettime(CLOCK_BOOTTIME, &ts);
47    time_ms += (ts.tv_sec * 1000000000LL);     /* Seconds to nanoseconds */
48    time_ms += ts.tv_nsec;   /* Add Nanoseconds  */
49    return time_ms;
50}
51
52int64_t elapsedMillisSinceBoot()
53{
54    return (int64_t) (elapsedMicrosSinceBoot() /1000000LL);
55}
56