| /* |
| * 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. |
| * |
| */ |
| |
| #include "igt_core.h" |
| #include "igt_stats.h" |
| |
| void igt_stats_init(igt_stats_t *stats, unsigned int capacity) |
| { |
| stats->values = calloc(capacity, sizeof(*stats->values)); |
| igt_assert(stats->values); |
| stats->capacity = capacity; |
| stats->n_values = 0; |
| } |
| |
| void igt_stats_fini(igt_stats_t *stats) |
| { |
| free(stats->values); |
| } |
| |
| void igt_stats_push(igt_stats_t *stats, uint64_t value) |
| { |
| igt_assert(stats->n_values < stats->capacity); |
| stats->values[stats->n_values++] = value; |
| } |
| |
| double igt_stats_get_average(igt_stats_t *stats) |
| { |
| unsigned int i; |
| double a = 0.0; |
| |
| for (i = 0; i < stats->n_values; i++) |
| a += (double)stats->values[i] / stats->n_values; |
| |
| return a; |
| } |