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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/include/asm/perf_event_server.h | |
| parent | powerpc/perf: Export memory hierarchy info to user space (diff) | |
| download | linux-dev-170a315f41c647ce826e389c64047ee1f4cd2dde.tar.xz linux-dev-170a315f41c647ce826e389c64047ee1f4cd2dde.zip | |
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/include/asm/perf_event_server.h')
| -rw-r--r-- | arch/powerpc/include/asm/perf_event_server.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index 446cdcd9b7f5..723bf48e7494 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -40,6 +40,7 @@ struct power_pmu { u64 alt[]); void (*get_mem_data_src)(union perf_mem_data_src *dsrc, u32 flags, struct pt_regs *regs); + void (*get_mem_weight)(u64 *weight); u64 (*bhrb_filter_map)(u64 branch_sample_type); void (*config_bhrb)(u64 pmu_bhrb_filter); void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]); |