diff options
| author | Venkata Ramana Nayana <venkata.ramana.nayana@intel.com> | 2023-07-04 19:25:16 +0530 |
|---|---|---|
| committer | Priyanka Dandamudi <priyanka.dandamudi@intel.com> | 2023-10-04 07:30:39 +0530 |
| commit | 43df1747605a8d8f4819daa293920407077f1df4 (patch) | |
| tree | 30d3d84bd35be91334dd42f0109e99bab4952008 /lib | |
| parent | a4b4a33d8312e4e30ca23d26bbd1758e56540e1d (diff) | |
tests/xe/perf_pmu: Tests for the XE pmu interface
There are set of engine group busyness counters provided by HW which are
exposed via PMU events. Adding a basic unit tests to read those counters.
v2: Added idle condition checks while reading the counters. (Rahul)
Cc: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Signed-off-by: Venkata Ramana Nayana <venkata.ramana.nayana@intel.com>
Reviewed-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_perf.c | 36 | ||||
| -rw-r--r-- | lib/igt_perf.h | 5 |
2 files changed, 41 insertions, 0 deletions
diff --git a/lib/igt_perf.c b/lib/igt_perf.c index ffe078adc..3866c6d77 100644 --- a/lib/igt_perf.c +++ b/lib/igt_perf.c @@ -69,6 +69,36 @@ const char *i915_perf_device(int i915, char *buf, int buflen) return buf; } +const char *xe_perf_device(int xe, char *buf, int buflen) +{ + char *s; + char pref[] = "xe_"; + int len = strlen(pref); + + + if (!buf || buflen < len) + return "xe"; + + memcpy(buf, pref, len); + + if (!bus_address(xe, buf + len, buflen - len)) + buf[len - 1] = '\0'; + + /* Convert all colons in the address to '_', thanks perf! */ + for (s = buf; *s; s++) + if (*s == ':') + *s = '_'; + + return buf; +} + +uint64_t xe_perf_type_id(int xe) +{ + char buf[80]; + + return igt_perf_type_id(xe_perf_device(xe, buf, sizeof(buf))); +} + uint64_t i915_perf_type_id(int i915) { char buf[80]; @@ -147,6 +177,12 @@ int perf_igfx_open_group(uint64_t config, int group) PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_GROUP); } +int perf_xe_open(int xe, uint64_t config) +{ + return _perf_open(xe_perf_type_id(xe), config, -1, + PERF_FORMAT_TOTAL_TIME_ENABLED); +} + int perf_i915_open(int i915, uint64_t config) { return _perf_open(i915_perf_type_id(i915), config, -1, diff --git a/lib/igt_perf.h b/lib/igt_perf.h index 4d86e31ae..3d9ba2917 100644 --- a/lib/igt_perf.h +++ b/lib/igt_perf.h @@ -61,10 +61,15 @@ int igt_perf_open_group(uint64_t type, uint64_t config, int group); const char *i915_perf_device(int i915, char *buf, int buflen); uint64_t i915_perf_type_id(int i915); +const char *xe_perf_device(int xe, char *buf, int buflen); +uint64_t xe_perf_type_id(int); + int perf_igfx_open(uint64_t config); int perf_igfx_open_group(uint64_t config, int group); int perf_i915_open(int i915, uint64_t config); int perf_i915_open_group(int i915, uint64_t config, int group); +int perf_xe_open(int xe, uint64_t config); + #endif /* I915_PERF_H */ |