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/*
* Copyright © 2013 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 GPU_TOP_H
#define GPU_TOP_H
#define MAX_RINGS 16
#include <stdint.h>
struct gpu_top {
enum { PERF, MMIO } type;
int fd;
int num_rings;
int have_wait;
int have_sema;
struct gpu_top_ring {
const char *name;
union gpu_top_payload {
struct {
uint8_t busy;
uint8_t wait;
uint8_t sema;
} u;
uint32_t payload;
} u;
} ring[MAX_RINGS];
struct gpu_top_stat {
uint64_t time;
uint64_t busy[MAX_RINGS];
uint64_t wait[MAX_RINGS];
uint64_t sema[MAX_RINGS];
} stat[2];
int count;
};
void gpu_top_init(struct gpu_top *gt);
int gpu_top_update(struct gpu_top *gt);
#endif /* GPU_TOP_H */
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