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| author | Shaokun Zhang <zhangshaokun@hisilicon.com> | 2022-03-03 16:54:19 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-03-08 11:40:44 +0000 |
| commit | 83f83cc0c1379413fb1199a78f91ab441a7e76fd (patch) | |
| tree | cf4dd36e2641fe857735f3992009debddd7a0a92 /arch/arm64/kernel/perf_event.c | |
| parent | 68fa55f0e05ce371c4b5de7932d9f570d61bf791 (diff) | |
| download | lwn-83f83cc0c1379413fb1199a78f91ab441a7e76fd.tar.gz lwn-83f83cc0c1379413fb1199a78f91ab441a7e76fd.zip | |
arm64: perf: Expose some Armv9 common events under sysfs
Armv9[1] has introduced some common architectural events (0x400C-0x400F)
and common microarchitectural events (0x4010-0x401B), which can be detected
by PMCEID0_EL0 from bit44 to bit59, so expose these common events under
sysfs.
[1] https://developer.arm.com/documentation/ddi0608/ba
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/20220303085419.64085-1-zhangshaokun@hisilicon.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/perf_event.c')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index cab678ed6618..cb69ff1e6138 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -242,6 +242,16 @@ static struct attribute *armv8_pmuv3_event_attrs[] = { ARMV8_EVENT_ATTR(l2d_cache_lmiss_rd, ARMV8_PMUV3_PERFCTR_L2D_CACHE_LMISS_RD), ARMV8_EVENT_ATTR(l2i_cache_lmiss, ARMV8_PMUV3_PERFCTR_L2I_CACHE_LMISS), ARMV8_EVENT_ATTR(l3d_cache_lmiss_rd, ARMV8_PMUV3_PERFCTR_L3D_CACHE_LMISS_RD), + ARMV8_EVENT_ATTR(trb_wrap, ARMV8_PMUV3_PERFCTR_TRB_WRAP), + ARMV8_EVENT_ATTR(trb_trig, ARMV8_PMUV3_PERFCTR_TRB_TRIG), + ARMV8_EVENT_ATTR(trcextout0, ARMV8_PMUV3_PERFCTR_TRCEXTOUT0), + ARMV8_EVENT_ATTR(trcextout1, ARMV8_PMUV3_PERFCTR_TRCEXTOUT1), + ARMV8_EVENT_ATTR(trcextout2, ARMV8_PMUV3_PERFCTR_TRCEXTOUT2), + ARMV8_EVENT_ATTR(trcextout3, ARMV8_PMUV3_PERFCTR_TRCEXTOUT3), + ARMV8_EVENT_ATTR(cti_trigout4, ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT4), + ARMV8_EVENT_ATTR(cti_trigout5, ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT5), + ARMV8_EVENT_ATTR(cti_trigout6, ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT6), + ARMV8_EVENT_ATTR(cti_trigout7, ARMV8_PMUV3_PERFCTR_CTI_TRIGOUT7), ARMV8_EVENT_ATTR(ldst_align_lat, ARMV8_PMUV3_PERFCTR_LDST_ALIGN_LAT), ARMV8_EVENT_ATTR(ld_align_lat, ARMV8_PMUV3_PERFCTR_LD_ALIGN_LAT), ARMV8_EVENT_ATTR(st_align_lat, ARMV8_PMUV3_PERFCTR_ST_ALIGN_LAT), |