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/*
* Copyright © 2019 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_POWER_H
#define IGT_POWER_H
#include <stdbool.h>
#include <stdint.h>
struct rapl {
uint64_t power, type;
double scale;
int fd;
};
struct power_sample {
uint64_t energy;
uint64_t time;
};
struct igt_power {
struct rapl rapl;
int hwmon_fd;
};
int igt_power_open(int i915, struct igt_power *p, const char *domain);
void igt_power_close(struct igt_power *p);
static inline bool igt_power_valid(struct igt_power *p)
{
return (p->rapl.fd >= 0) || (p->hwmon_fd >= 0);
}
void igt_power_get_energy(struct igt_power *p, struct power_sample *s);
double igt_power_get_mJ(const struct igt_power *power,
const struct power_sample *p0,
const struct power_sample *p1);
double igt_power_get_mW(const struct igt_power *power,
const struct power_sample *p0,
const struct power_sample *p1);
double igt_power_get_s(const struct power_sample *p0,
const struct power_sample *p1);
#endif /* IGT_POWER_H */
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