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https://github.com/tiagovignatti/intel-gpu-tools.git
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53 lines
1.8 KiB
C
53 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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#ifndef __IGT_STATS_H__
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#define __IGT_STATS_H__
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#include <stdint.h>
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/**
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* igt_stats_t:
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* @values: An array containing the pushed values
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* @n_values: The number of pushed values
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*/
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typedef struct {
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uint64_t *values;
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unsigned int n_values;
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/*< private >*/
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unsigned int capacity;
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unsigned int mean_variance_valid : 1;
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double mean, variance;
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} igt_stats_t;
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void igt_stats_init(igt_stats_t *stats, unsigned int capacity);
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void igt_stats_fini(igt_stats_t *stats);
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void igt_stats_push(igt_stats_t *stats, uint64_t value);
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double igt_stats_get_mean(igt_stats_t *stats);
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double igt_stats_get_variance(igt_stats_t *stats);
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double igt_stats_get_std_deviation(igt_stats_t *stats);
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#endif /* __IGT_STATS_H__ */
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