1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2015 Cyril Hrubis <chrubis@suse.cz> 4 */ 5 6#include <errno.h> 7 8#define TST_NO_DEFAULT_MAIN 9 10#include "tst_test.h" 11#include "tst_timer.h" 12#include "tst_clocks.h" 13#include "lapi/posix_clocks.h" 14 15static struct timespec start_time, stop_time; 16static clockid_t clock_id; 17 18void tst_timer_check(clockid_t clk_id) 19{ 20 if (tst_clock_gettime(clk_id, &start_time)) { 21 if (errno == EINVAL) { 22 tst_brk(TCONF, 23 "Clock id %s(%u) not supported by kernel", 24 tst_clock_name(clk_id), clk_id); 25 return; 26 } 27 28 tst_brk(TBROK | TERRNO, "tst_clock_gettime() failed"); 29 } 30} 31 32void tst_timer_start(clockid_t clk_id) 33{ 34 clock_id = clk_id; 35 36 if (tst_clock_gettime(clock_id, &start_time)) 37 tst_res(TWARN | TERRNO, "tst_clock_gettime() failed"); 38} 39 40int tst_timer_expired_ms(long long ms) 41{ 42 struct timespec cur_time; 43 44 if (tst_clock_gettime(clock_id, &cur_time)) 45 tst_res(TWARN | TERRNO, "tst_clock_gettime() failed"); 46 47 return tst_timespec_diff_ms(cur_time, start_time) >= ms; 48} 49 50void tst_timer_stop(void) 51{ 52 if (tst_clock_gettime(clock_id, &stop_time)) 53 tst_res(TWARN | TERRNO, "tst_clock_gettime() failed"); 54} 55 56struct timespec tst_timer_elapsed(void) 57{ 58 return tst_timespec_diff(stop_time, start_time); 59} 60