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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Cyril Hrubis <chrubis@suse.cz>
*/
#include <errno.h>
#define TST_NO_DEFAULT_MAIN
#include "tst_test.h"
#include "tst_timer.h"
#include "tst_clocks.h"
#include "lapi/posix_clocks.h"
static struct timespec start_time, stop_time;
static clockid_t clock_id;
const char *tst_clock_name(clockid_t clk_id)
{
switch (clk_id) {
case CLOCK_REALTIME:
return "CLOCK_REALTIME";
case CLOCK_REALTIME_COARSE:
return "CLOCK_REALTIME_COARSE";
case CLOCK_MONOTONIC:
return "CLOCK_MONOTONIC";
case CLOCK_MONOTONIC_COARSE:
return "CLOCK_MONOTONIC_COARSE";
case CLOCK_MONOTONIC_RAW:
return "CLOCK_MONOTONIC_RAW";
case CLOCK_BOOTTIME:
return "CLOCK_BOOTTIME";
case CLOCK_PROCESS_CPUTIME_ID:
return "CLOCK_PROCESS_CPUTIME_ID";
case CLOCK_THREAD_CPUTIME_ID:
return "CLOCK_THREAD_CPUTIME_ID";
default:
return "UNKNOWN/INVALID";
}
}
void tst_timer_check(clockid_t clk_id)
{
if (tst_clock_gettime(clk_id, &start_time)) {
if (errno == EINVAL) {
tst_brk(TCONF,
"Clock id %s(%u) not supported by kernel",
tst_clock_name(clk_id), clk_id);
return;
}
tst_brk(TBROK | TERRNO, "tst_clock_gettime() failed");
}
}
void tst_timer_start(clockid_t clk_id)
{
clock_id = clk_id;
if (tst_clock_gettime(clock_id, &start_time))
tst_res(TWARN | TERRNO, "tst_clock_gettime() failed");
}
int tst_timer_expired_ms(long long ms)
{
struct timespec cur_time;
if (tst_clock_gettime(clock_id, &cur_time))
tst_res(TWARN | TERRNO, "tst_clock_gettime() failed");
return tst_timespec_diff_ms(cur_time, start_time) >= ms;
}
void tst_timer_stop(void)
{
if (tst_clock_gettime(clock_id, &stop_time))
tst_res(TWARN | TERRNO, "tst_clock_gettime() failed");
}
struct timespec tst_timer_elapsed(void)
{
return tst_timespec_diff(stop_time, start_time);
}