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 GPU_TOP_H 26 #define GPU_TOP_H 27 28 #define MAX_RINGS 16 29 30 #include <stdint.h> 31 32 struct gpu_top { 33 enum { PERF, MMIO } type; 34 int fd; 35 36 int num_rings; 37 int have_wait; 38 int have_sema; 39 40 struct gpu_top_ring { 41 const char *name; 42 union gpu_top_payload { 43 struct { 44 uint8_t busy; 45 uint8_t wait; 46 uint8_t sema; 47 } u; 48 uint32_t payload; 49 } u; 50 } ring[MAX_RINGS]; 51 52 struct gpu_top_stat { 53 uint64_t time; 54 uint64_t busy[MAX_RINGS]; 55 uint64_t wait[MAX_RINGS]; 56 uint64_t sema[MAX_RINGS]; 57 } stat[2]; 58 int count; 59 }; 60 61 void gpu_top_init(struct gpu_top *gt); 62 int gpu_top_update(struct gpu_top *gt); 63 64 #endif /* GPU_TOP_H */ 65