diff options
| author |   Anton Blanchard <anton@samba.org> | 2017-06-19 09:51:28 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2017-07-12 12:21:49 +1000 |
| commit | 3f0bd8dad0db73f5d71b355aec5ab33b374260ba (patch) | |
| tree | fc2e88152e4af97191bd36985cc934a7213af95d /arch | |
| parent | powerpc/perf: Fix SDAR_MODE value for continous sampling on Power9 (diff) | |
| download | wireguard-linux-3f0bd8dad0db73f5d71b355aec5ab33b374260ba.tar.xz wireguard-linux-3f0bd8dad0db73f5d71b355aec5ab33b374260ba.zip | |
powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events
Similar to POWER8, POWER9 can count run cycles and run instructions
completed on more than one PMU.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/perf/power9-events-list.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/perf/power9-pmu.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h index 80204e064362..50689180a6c1 100644 --- a/arch/powerpc/perf/power9-events-list.h +++ b/arch/powerpc/perf/power9-events-list.h @@ -51,8 +51,12 @@ EVENT(PM_DTLB_MISS, 0x300fc) EVENT(PM_ITLB_MISS, 0x400fc) /* Run_Instructions */ EVENT(PM_RUN_INST_CMPL, 0x500fa) +/* Alternate event code for PM_RUN_INST_CMPL */ +EVENT(PM_RUN_INST_CMPL_ALT, 0x400fa) /* Run_cycles */ EVENT(PM_RUN_CYC, 0x600f4) +/* Alternate event code for Run_cycles */ +EVENT(PM_RUN_CYC_ALT, 0x200f4) /* Instruction Dispatched */ EVENT(PM_INST_DISP, 0x200f2) EVENT(PM_INST_DISP_ALT, 0x300f2) diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index f17435e4a489..2280cf87ff9c 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -107,6 +107,8 @@ extern struct attribute_group isa207_pmu_format_group; /* Table of alternatives, sorted by column 0 */ static const unsigned int power9_event_alternatives[][MAX_ALT] = { { PM_INST_DISP, PM_INST_DISP_ALT }, + { PM_RUN_CYC_ALT, PM_RUN_CYC }, + { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL }, }; static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[]) |