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06f5f7065f
The master plan would be to get a bit more stats in it, at least the standard deviation and confidence interval. Just need the average for now. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include "igt_core.h"
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#include "igt_stats.h"
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void igt_stats_init(igt_stats_t *stats, unsigned int capacity)
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{
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stats->values = calloc(capacity, sizeof(*stats->values));
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igt_assert(stats->values);
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stats->capacity = capacity;
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stats->n_values = 0;
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}
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void igt_stats_fini(igt_stats_t *stats)
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{
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free(stats->values);
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}
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void igt_stats_push(igt_stats_t *stats, uint64_t value)
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{
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igt_assert(stats->n_values < stats->capacity);
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stats->values[stats->n_values++] = value;
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}
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double igt_stats_get_average(igt_stats_t *stats)
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{
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unsigned int i;
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double a = 0.0;
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for (i = 0; i < stats->n_values; i++)
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a += (double)stats->values[i] / stats->n_values;
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return a;
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}
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