diff options
| 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 17:22:27 +0300 |
| commit | 61750473589b6f8adc35007c8261986043907f13 (patch) | |
| tree | b9e02437eeb834961c11c8772383a74a5f83977e /tools/perf/util/event.c | |
| parent | 70ae034d499d4bd7ac3d0db20505ff9644a6b959 (diff) | |
| download | linux-61750473589b6f8adc35007c8261986043907f13.tar.xz | |
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/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index ac706304afe9..fe24801f8e9f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -57,6 +57,7 @@ static const char *perf_event__names[] = { [PERF_RECORD_BPF_EVENT] = "BPF_EVENT", [PERF_RECORD_CGROUP] = "CGROUP", [PERF_RECORD_TEXT_POKE] = "TEXT_POKE", + [PERF_RECORD_AUX_OUTPUT_HW_ID] = "AUX_OUTPUT_HW_ID", [PERF_RECORD_HEADER_ATTR] = "ATTR", [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", @@ -237,6 +238,14 @@ int perf_event__process_itrace_start(struct perf_tool *tool __maybe_unused, return machine__process_itrace_start_event(machine, event); } +int perf_event__process_aux_output_hw_id(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_aux_output_hw_id_event(machine, event); +} + int perf_event__process_lost_samples(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, @@ -407,6 +416,12 @@ size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp) event->itrace_start.pid, event->itrace_start.tid); } +size_t perf_event__fprintf_aux_output_hw_id(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " hw_id: %#"PRI_lx64"\n", + event->aux_output_hw_id.hw_id); +} + size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp) { bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT; @@ -534,6 +549,9 @@ size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FIL case PERF_RECORD_TEXT_POKE: ret += perf_event__fprintf_text_poke(event, machine, fp); break; + case PERF_RECORD_AUX_OUTPUT_HW_ID: + ret += perf_event__fprintf_aux_output_hw_id(event, fp); + break; default: ret += fprintf(fp, "\n"); } |