ntel-gpu-tools/lib/igt_stats.h
Damien Lespiau 087a8d1c63 stats: Add header gards
Sigh.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:04:07 +01:00

46 lines
1.7 KiB
C

/*
* Copyright © 2015 Intel Corporation
*
* 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.
*
*/
#ifndef __IGT_STATS_H__
#define __IGT_STATS_H__
#include <stdint.h>
typedef struct {
uint64_t *values;
unsigned int capacity;
unsigned int n_values;
unsigned int mean_variance_valid : 1;
double mean, variance;
} igt_stats_t;
void igt_stats_init(igt_stats_t *stats, unsigned int capacity);
void igt_stats_fini(igt_stats_t *stats);
void igt_stats_push(igt_stats_t *stats, uint64_t value);
double igt_stats_get_mean(igt_stats_t *stats);
double igt_stats_get_variance(igt_stats_t *stats);
double igt_stats_get_std_deviation(igt_stats_t *stats);
#endif /* __IGT_STATS_H__ */