1 // SPDX-License-Identifier: LGPL-2.1+
2 // Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
3 #include <stdio.h>
4 #include <sys/time.h>
5 #include <linux/sysinfo.h>
6 #include "thermal-tools.h"
7
8 static unsigned long __offset;
9 static struct timeval __tv;
10
11 int uptimeofday_init(void)
12 {
13 struct sysinfo info;
14
15 if (sysinfo(&info))
16 return -1;
17
18 gettimeofday(&__tv, NULL);
19
20 __offset = __tv.tv_sec - info.uptime;
21
22 return 0;
23 }
24
25 unsigned long getuptimeofday_ms(void)
26 {
27 gettimeofday(&__tv, NULL);
28
29 return ((__tv.tv_sec - __offset) * 1000) + (__tv.tv_usec / 1000);
30 }
31
32 struct timespec msec_to_timespec(int msec)
33 {
34 struct timespec tv = {
35 .tv_sec = (msec / 1000),
36 .tv_nsec = (msec % 1000) * 1000000,
37 };
38
39 return tv;
40 }
41
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.