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3b7c5e8adf
The next changes will provide a couple of tools using some common functions provided by this library. It provides basic wrappers for: - mainloop - logging - timestamp Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20220420160933.347088-3-daniel.lezcano@linaro.org
41 lines
735 B
C
41 lines
735 B
C
// SPDX-License-Identifier: LGPL-2.1+
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// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
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#include <stdio.h>
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#include <sys/time.h>
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#include <linux/sysinfo.h>
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#include "thermal-tools.h"
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static unsigned long __offset;
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static struct timeval __tv;
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int uptimeofday_init(void)
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{
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struct sysinfo info;
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if (sysinfo(&info))
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return -1;
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gettimeofday(&__tv, NULL);
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__offset = __tv.tv_sec - info.uptime;
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return 0;
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}
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unsigned long getuptimeofday_ms(void)
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{
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gettimeofday(&__tv, NULL);
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return ((__tv.tv_sec - __offset) * 1000) + (__tv.tv_usec / 1000);
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}
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struct timespec msec_to_timespec(int msec)
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{
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struct timespec tv = {
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.tv_sec = (msec / 1000),
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.tv_nsec = (msec % 1000) * 1000000,
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};
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return tv;
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}
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