diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2019-08-06 11:46:04 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-14 10:59:59 -0300 |
| commit | 9e64cefe4335b0f2799956d3f3cca8bb652d950f (patch) | |
| tree | 4fa590da8728f10c23d7345463e698efb16eef8f /tools/perf/util/intel-pt.c | |
| parent | 181ebb5e23a5e480f6d6aa2816a9c4aaa65afa59 (diff) | |
perf intel-pt: Process options for PEBS event synthesis
Process synth_opts.other_events and attr.aux_output to set up for
synthesizing PEBs via Intel PT events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190806084606.4021-6-alexander.shishkin@linux.intel.com
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
[ Fixed up libbperf clashes, i.e. some places using perf_evsel (now in libperf)
need to use instead 'evsel' (a tools/perf only abstraction) ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-pt.c')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 4c52204868d8..ea504fa9b623 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -2894,6 +2894,22 @@ static int intel_pt_synth_events(struct intel_pt *pt, return 0; } +static void intel_pt_setup_pebs_events(struct intel_pt *pt) +{ + struct evsel *evsel; + + if (!pt->synth_opts.other_events) + return; + + evlist__for_each_entry(pt->session->evlist, evsel) { + if (evsel->core.attr.aux_output && evsel->id) { + pt->sample_pebs = true; + pt->pebs_evsel = evsel; + return; + } + } +} + static struct evsel *intel_pt_find_sched_switch(struct evlist *evlist) { struct evsel *evsel; @@ -3263,6 +3279,8 @@ int intel_pt_process_auxtrace_info(union perf_event *event, if (err) goto err_delete_thread; + intel_pt_setup_pebs_events(pt); + err = auxtrace_queues__process_index(&pt->queues, session); if (err) goto err_delete_thread; |