File: uptimeofday.c

package info (click to toggle)
linux 6.18.13-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,742,384 kB
  • sloc: ansic: 26,784,945; asm: 272,099; sh: 148,799; python: 79,242; makefile: 57,743; perl: 36,527; xml: 19,542; cpp: 5,911; yacc: 4,939; lex: 2,950; awk: 1,607; sed: 30; ruby: 25
file content (40 lines) | stat: -rw-r--r-- 735 bytes parent folder | download | duplicates (39)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// SPDX-License-Identifier: LGPL-2.1+
// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
#include <stdio.h>
#include <sys/time.h>
#include <linux/sysinfo.h>
#include "thermal-tools.h"

static unsigned long __offset;
static struct timeval __tv;

int uptimeofday_init(void)
{
	struct sysinfo info;

	if (sysinfo(&info))
		return -1;

	gettimeofday(&__tv, NULL);

	__offset = __tv.tv_sec - info.uptime;

	return 0;
}

unsigned long getuptimeofday_ms(void)
{
	gettimeofday(&__tv, NULL);

	return ((__tv.tv_sec - __offset) * 1000) + (__tv.tv_usec / 1000);
}

struct timespec msec_to_timespec(int msec)
{
	struct timespec tv = {
		.tv_sec = (msec / 1000),
		.tv_nsec = (msec % 1000) * 1000000,
	};

	return tv;
}