xref: /aosp_15_r20/external/igt-gpu-tools/overlay/power.h (revision d83cc019efdc2edc6c4b16e9034a3ceb8d35d77c)
1 /*
2  * Copyright © 2013 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef POWER_H
26 #define POWER_H
27 
28 #include <stdint.h>
29 
30 struct power {
31 	struct power_stat {
32 		uint64_t energy;
33 		uint64_t timestamp;
34 	} stat[2];
35 
36 	int fd;
37 	int error;
38 	int count;
39 	int new_sample;
40 
41 	uint64_t power_mW;
42 
43 	double rapl_scale;
44 };
45 
46 int power_init(struct power *power);
47 int power_update(struct power *power);
48 
49 #endif /* POWER_H */
50