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| author | Madhavan Srinivasan <maddy@linux.vnet.ibm.com> | 2017-04-11 07:21:07 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-04-19 20:00:22 +1000 |
| commit | 170a315f41c647ce826e389c64047ee1f4cd2dde (patch) | |
| tree | f6c44d6b0e61a224f426654e7df6591eb33e8604 /arch/powerpc/perf/core-book3s.c | |
| parent | 79e96f8f930d425ab48c511f8a6db16ca7fc68b1 (diff) | |
| download | linux-170a315f41c647ce826e389c64047ee1f4cd2dde.tar.bz2 | |
powerpc/perf: Support to export MMCRA[TEC*] field to userspace
Threshold feature when used with MMCRA [Threshold Event Counter Event],
MMCRA[Threshold Start event] and MMCRA[Threshold End event] will update
MMCRA[Threashold Event Counter Exponent] and MMCRA[Threshold Event
Counter Multiplier] with the corresponding threshold event count values.
Patch to export MMCRA[TECX/TECM] to userspace in 'weight' field of
struct perf_sample_data.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/perf/core-book3s.c')
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index e241ebebab6f..6c2d4168daec 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2053,6 +2053,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val, ppmu->get_mem_data_src) ppmu->get_mem_data_src(&data.data_src, ppmu->flags, regs); + if (event->attr.sample_type & PERF_SAMPLE_WEIGHT && + ppmu->get_mem_weight) + ppmu->get_mem_weight(&data.weight); + if (perf_event_overflow(event, &data, regs)) power_pmu_stop(event, 0); } |