162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright 2015, Anton Blanchard, IBM Corp. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <sys/time.h> 762306a36Sopenharmony_ci#include <stdio.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include "utils.h" 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistatic int test_gettimeofday(void) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci int i; 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci struct timeval tv_start, tv_end, tv_diff; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci gettimeofday(&tv_start, NULL); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci for(i = 0; i < 100000000; i++) { 2062306a36Sopenharmony_ci gettimeofday(&tv_end, NULL); 2162306a36Sopenharmony_ci } 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci timersub(&tv_start, &tv_end, &tv_diff); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6); 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci return 0; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciint main(void) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci return test_harness(test_gettimeofday, "gettimeofday"); 3362306a36Sopenharmony_ci} 34