This patchset adds some missing event list for POWER7 PMU raw events which are exported through sysfs interface. Also adds a new set of raw PMU events list for POWER8. I have completed some amount of initial testing to verify the working of POWER8 raw event codes through sysfs.
Before the patch ================ directory contents: /sys/bus/event_source/devices/cpu/ format perf_event_mux_interval_ms power subsystem type uevent After the patch =============== (1) directory contents: /sys/bus/event_source/devices/cpu/ 'events' format perf_event_mux_interval_ms power subsystem type uevent (2) contents inside new directory: /sys/bus/event_source/devices/cpu/events/ ............................ ............................ ............................ PM_ANY_THRD_RUN_CYC PM_BR_2PATH PM_BR_CMPL PM_BR_MRK_2PATH PM_BR_TAKEN_CMPL PM_CMPLU_STALL_BRU PM_CMPLU_STALL_BRU_CRU PM_CMPLU_STALL_COQ_FULL PM_CMPLU_STALL_DCACHE_MISS PM_CMPLU_STALL_DMISS_L21_L31 PM_CMPLU_STALL_DMISS_L2L3 PM_CMPLU_STALL_DMISS_L2L3_CONFLICT PM_CMPLU_STALL_DMISS_L3MISS PM_CMPLU_STALL_DMISS_LMEM PM_CMPLU_STALL_DMISS_REMOTE PM_CMPLU_STALL_ERAT_MISS PM_CMPLU_STALL_FLUSH PM_CMPLU_STALL_FXLONG PM_CMPLU_STALL_FXU PM_CMPLU_STALL_HWSYNC PM_CMPLU_STALL_LOAD_FINISH ........................... ............................ ............................ Sample tests: ================================================================ perf stat -e 'cpu/PM_CMPLU_STALL_ERAT_MISS/' ls Performance counter stats for 'ls': 56762 cpu/PM_CMPLU_STALL_ERAT_MISS/ 0.003643785 seconds time elapsed perf stat -e 'cpu/PM_CMPLU_STALL_BRU/' ls Performance counter stats for 'ls': 208615 cpu/PM_CMPLU_STALL_BRU/ 0.003600713 seconds time elapsed ================================================================= Anshuman Khandual (2): power7, perf: Make some new raw event codes available in sysfs power8, perf: Export raw event codes through sysfs interface arch/powerpc/perf/power7-events-list.h | 10 +++ arch/powerpc/perf/power8-events-list.h | 146 +++++++++++++++++++++++++++++++++ arch/powerpc/perf/power8-pmu.c | 30 +++++++ 3 files changed, 186 insertions(+) create mode 100644 arch/powerpc/perf/power8-events-list.h -- 1.7.11.7 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev