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| author | Adrian Hunter <adrian.hunter@intel.com> | 2021-09-07 19:39:02 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-10-20 11:22:27 -0300 |
| commit | 61750473589b6f8adc35007c8261986043907f13 (patch) | |
| tree | b9e02437eeb834961c11c8772383a74a5f83977e /tools/perf/util/session.c | |
| parent | 70ae034d499d4bd7ac3d0db20505ff9644a6b959 (diff) | |
| download | lwn-61750473589b6f8adc35007c8261986043907f13.tar.gz lwn-61750473589b6f8adc35007c8261986043907f13.zip | |
perf tools: Add support for PERF_RECORD_AUX_OUTPUT_HW_ID
The PERF_RECORD_AUX_OUTPUT_HW_ID event provides a way to match AUX output
data like Intel PT PEBS-via-PT back to the event that it came from, by
providing a hardware ID that is present in the AUX output.
Reviewed-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org
Link: http://lore.kernel.org/lkml/20210907163903.11820-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 069c2cfdd3be..bdf1da9ea418 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -509,6 +509,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->bpf = perf_event__process_bpf; if (tool->text_poke == NULL) tool->text_poke = perf_event__process_text_poke; + if (tool->aux_output_hw_id == NULL) + tool->aux_output_hw_id = perf_event__process_aux_output_hw_id; if (tool->read == NULL) tool->read = process_event_sample_stub; if (tool->throttle == NULL) @@ -1000,6 +1002,7 @@ static perf_event__swap_op perf_event__swap_ops[] = { [PERF_RECORD_NAMESPACES] = perf_event__namespaces_swap, [PERF_RECORD_CGROUP] = perf_event__cgroup_swap, [PERF_RECORD_TEXT_POKE] = perf_event__text_poke_swap, + [PERF_RECORD_AUX_OUTPUT_HW_ID] = perf_event__all64_swap, [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, @@ -1556,6 +1559,8 @@ static int machines__deliver_event(struct machines *machines, return tool->bpf(tool, event, sample, machine); case PERF_RECORD_TEXT_POKE: return tool->text_poke(tool, event, sample, machine); + case PERF_RECORD_AUX_OUTPUT_HW_ID: + return tool->aux_output_hw_id(tool, event, sample, machine); default: ++evlist->stats.nr_unknown_events; return -1; |