| /* |
| * 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 */ |