Messages in this thread | | | Subject | Re: [PATCH 1/6] perf, x86: Making hardware events tranlations sysfs available | From | Peter Zijlstra <> | Date | Thu, 14 Jun 2012 23:09:52 +0200 |
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On Thu, 2012-06-14 at 22:38 +0200, Jiri Olsa wrote: > Making hardware events tranlations available throught the sysfs. > Adding 'events' group attribute under the sysfs x86 PMU record > with attribute/file for each hardware event: > > # ls /sys/devices/cpu/events/ > branch_instructions > branch_misses > bus_cycles > cache_misses > cache_references > cycles > instructions > ref_cycles > stalled_cycles_backend > stalled_cycles_frontend > > The file - ID mappings is: > > file hw id > ---------------------------------------------------------------- > cycles PERF_COUNT_HW_CPU_CYCLES > instructions PERF_COUNT_HW_INSTRUCTIONS > cache_references PERF_COUNT_HW_CACHE_REFERENCES > cache_misses PERF_COUNT_HW_CACHE_MISSES > branch_instructions PERF_COUNT_HW_BRANCH_INSTRUCTIONS > branch_misses PERF_COUNT_HW_BRANCH_MISSES > bus_cycles PERF_COUNT_HW_BUS_CYCLES > stalled_cycles_frontend PERF_COUNT_HW_STALLED_CYCLES_FRONTEND > stalled_cycles_backend PERF_COUNT_HW_STALLED_CYCLES_BACKEND > ref_cycles PERF_COUNT_HW_REF_CPU_CYCLES > > Each attribute/file contains HW ID event translation for the currently > running CPU model > > # cat /sys/devices/cpu/events/instructions > 0xc0
Why not have it consistent with the stuff done for uncore where events read: 'event=0xc0', ie the regular field=value stuff.
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