lib/igt_perf.h

   1 /*
   2  * Copyright © 2017 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 I915_PERF_H
  26 #define I915_PERF_H
  27
  28 #include <stdint.h>
  29
  30 #ifdef __linux__
  31 #include <linux/perf_event.h>
  32 #endif
  33
  34 #include "igt_gt.h"
  35
  36 static inline int
  37 perf_event_open(struct perf_event_attr *attr,
  38                 pid_t pid,
  39                 int cpu,
  40                 int group_fd,
  41                 unsigned long flags)
  42 {
  43 #ifndef __NR_perf_event_open
  44 #if defined(__i386__)
  45 #define __NR_perf_event_open 336
  46 #elif defined(__x86_64__)
  47 #define __NR_perf_event_open 298
  48 #else
  49 #define __NR_perf_event_open 0
  50 #endif
  51 #endif
  52     attr->size = sizeof(*attr);
  53     return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
  54 }
  55
  56 uint64_t igt_perf_type_id(const char *device);
  57 int igt_perf_events_dir(int i915);
  58 int igt_perf_open(uint64_t type, uint64_t config);
  59 int igt_perf_open_group(uint64_t type, uint64_t config, int group);
  60
  61 const char *i915_perf_device(int i915, char *buf, int buflen);
  62 uint64_t i915_perf_type_id(int i915);
  63
  64 const char *xe_perf_device(int xe, char *buf, int buflen);
  65 uint64_t xe_perf_type_id(int);
  66
  67 int perf_igfx_open(uint64_t config);
  68 int perf_igfx_open_group(uint64_t config, int group);
  69
  70 int perf_i915_open(int i915, uint64_t config);
  71 int perf_i915_open_group(int i915, uint64_t config, int group);
  72
  73 int perf_xe_open(int xe, uint64_t config);
  74
  75 #endif /* I915_PERF_H */