diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-09-13 17:38:16 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-11-22 11:17:48 +0000 |
| commit | a688deceae195aec863d8de45bdaefb251927c89 (patch) | |
| tree | 80f916af851ea53ad295a525efa58e8661e176d1 /lib/igt_perf.h | |
| parent | 42ee3f94f2c5c3258930c22da7c1b497dd635346 (diff) | |
intel-gpu-overlay: Move local perf implementation to a library
Idea is to avoid duplication across multiple users in
upcoming patches.
v2: Commit message and use a separate library instead of piggy-
backing to libintel_tools. (Chris Wilson)
v3: Add Petri's meson build recipe.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'lib/igt_perf.h')
| -rw-r--r-- | lib/igt_perf.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/igt_perf.h b/lib/igt_perf.h new file mode 100644 index 00000000..a80b311c --- /dev/null +++ b/lib/igt_perf.h @@ -0,0 +1,66 @@ +#ifndef I915_PERF_H +#define I915_PERF_H + +#include <stdint.h> + +#include <linux/perf_event.h> + +#define I915_SAMPLE_BUSY 0 +#define I915_SAMPLE_WAIT 1 +#define I915_SAMPLE_SEMA 2 + +#define I915_SAMPLE_RCS 0 +#define I915_SAMPLE_VCS 1 +#define I915_SAMPLE_BCS 2 +#define I915_SAMPLE_VECS 3 + +#define __I915_PERF_COUNT(ring, id) ((ring) << 4 | (id)) + +#define I915_PERF_COUNT_RCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_BUSY) +#define I915_PERF_COUNT_RCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_WAIT) +#define I915_PERF_COUNT_RCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_RCS, I915_SAMPLE_SEMA) + +#define I915_PERF_COUNT_VCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_BUSY) +#define I915_PERF_COUNT_VCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_WAIT) +#define I915_PERF_COUNT_VCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_VCS, I915_SAMPLE_SEMA) + +#define I915_PERF_COUNT_BCS_BUSY __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_BUSY) +#define I915_PERF_COUNT_BCS_WAIT __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_WAIT) +#define I915_PERF_COUNT_BCS_SEMA __I915_PERF_COUNT(I915_SAMPLE_BCS, I915_SAMPLE_SEMA) + +#define I915_PERF_COUNT_VECS_BUSY __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_BUSY) +#define I915_PERF_COUNT_VECS_WAIT __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_WAIT) +#define I915_PERF_COUNT_VECS_SEMA __I915_PERF_COUNT(I915_SAMPLE_VECS, I915_SAMPLE_SEMA) + +#define I915_PERF_ACTUAL_FREQUENCY 32 +#define I915_PERF_REQUESTED_FREQUENCY 33 +#define I915_PERF_ENERGY 34 +#define I915_PERF_INTERRUPTS 35 + +#define I915_PERF_RC6_RESIDENCY 40 +#define I915_PERF_RC6p_RESIDENCY 41 +#define I915_PERF_RC6pp_RESIDENCY 42 + +static inline int +perf_event_open(struct perf_event_attr *attr, + pid_t pid, + int cpu, + int group_fd, + unsigned long flags) +{ +#ifndef __NR_perf_event_open +#if defined(__i386__) +#define __NR_perf_event_open 336 +#elif defined(__x86_64__) +#define __NR_perf_event_open 298 +#else +#define __NR_perf_event_open 0 +#endif +#endif + attr->size = sizeof(*attr); + return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags); +} + +uint64_t i915_type_id(void); + +#endif /* I915_PERF_H */ |