diff options
author | Anton Khirnov <anton@khirnov.net> | 2020-07-13 10:49:41 +0200 |
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committer | Anton Khirnov <anton@khirnov.net> | 2020-07-13 10:49:41 +0200 |
commit | ca737da230f74d64e5ccc64728180a4672121d10 (patch) | |
tree | d9d8142e1701af79f8c8f9fbebae6fa96c6c36a3 | |
parent | 017597067e33e3cb5938d49c83c7b60ed2ba773f (diff) |
Track forgotten timer files.
-rw-r--r-- | timer.c | 27 | ||||
-rw-r--r-- | timer.h | 62 |
2 files changed, 89 insertions, 0 deletions
@@ -0,0 +1,27 @@ +/* + * Copyright 2019 Anton Khirnov <anton@khirnov.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdint.h> + +#include "timer.h" + +void mg2di_timer_init(Timer *t) +{ + t->time_nsec = 0; + t->nb_runs = 0; + t->start = INT64_MIN; +} @@ -0,0 +1,62 @@ +/* + * Copyright 2019 Anton Khirnov <anton@khirnov.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef MG2D_TIMER_H +#define MG2D_TIMER_H + +#include <stdint.h> +#include <time.h> + +#include "common.h" + +typedef struct Timer { + int64_t time_nsec; + int64_t nb_runs; + int64_t start; +} Timer; + +void mg2di_timer_init(Timer *t); + +static inline void mg2di_timer_start(Timer *t) +{ + struct timespec tp; + int ret; + + mg2di_assert(t->start == INT64_MIN); + + ret = clock_gettime(CLOCK_MONOTONIC, &tp); + mg2di_assert(ret == 0); + + t->start = (int64_t)tp.tv_sec * 1000000000L + tp.tv_nsec; +} + +static inline void mg2di_timer_stop(Timer *t) +{ + struct timespec tp; + int ret; + + mg2di_assert(t->start != INT64_MIN); + + ret = clock_gettime(CLOCK_MONOTONIC, &tp); + mg2di_assert(ret == 0); + + t->time_nsec += (int64_t)tp.tv_sec * 1000000000L + tp.tv_nsec - t->start; + t->nb_runs++; + t->start = INT64_MIN; +} + +#endif // MG2D_TIMER_H |