| /* |
| * Copyright © 2015 Kazunobu Kuriyama <kazunobu.kuriyama@nifty.com> |
| * Ran Benita <ran234@gmail.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "config.h" |
| |
| #include <assert.h> |
| #include <stdio.h> |
| |
| #include "bench.h" |
| #include "../src/utils.h" |
| |
| #ifndef _MSC_VER |
| #include <sys/time.h> |
| #else |
| #include <windows.h> |
| #include <stdint.h> |
| |
| struct timeval { |
| long tv_sec, tv_usec; |
| }; |
| |
| static int |
| gettimeofday(struct timeval *tv, void *unused) |
| { |
| static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL); |
| |
| SYSTEMTIME system_time; |
| FILETIME file_time; |
| uint64_t t; |
| |
| GetSystemTime(&system_time); |
| SystemTimeToFileTime(&system_time, &file_time); |
| t = (uint64_t) file_time.dwLowDateTime; |
| t += ((uint64_t) file_time.dwHighDateTime) << 32; |
| |
| tv->tv_sec = (long) ((t - EPOCH) / 10000000L); |
| tv->tv_usec = (long) (system_time.wMilliseconds * 1000); |
| return 0; |
| } |
| #endif |
| |
| void |
| bench_start(struct bench *bench) |
| { |
| struct timeval val; |
| (void) gettimeofday(&val, NULL); |
| bench->start = (struct bench_time) { |
| .seconds = val.tv_sec, |
| .microseconds = val.tv_usec, |
| }; |
| } |
| |
| void |
| bench_stop(struct bench *bench) |
| { |
| struct timeval val; |
| (void) gettimeofday(&val, NULL); |
| bench->stop = (struct bench_time) { |
| .seconds = val.tv_sec, |
| .microseconds = val.tv_usec, |
| }; |
| } |
| |
| void |
| bench_elapsed(const struct bench *bench, struct bench_time *result) |
| { |
| result->seconds = bench->stop.seconds - bench->start.seconds; |
| result->microseconds = bench->stop.microseconds - bench->start.microseconds; |
| if (result->microseconds < 0) { |
| result->microseconds += 1000000; |
| result->seconds--; |
| } |
| } |
| |
| char * |
| bench_elapsed_str(const struct bench *bench) |
| { |
| struct bench_time elapsed; |
| char *buf; |
| int ret; |
| |
| bench_elapsed(bench, &elapsed); |
| ret = asprintf(&buf, "%ld.%06ld", elapsed.seconds, elapsed.microseconds); |
| assert(ret >= 0); |
| |
| return buf; |
| } |