diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /tools/perf/util/intel-pt.c | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'tools/perf/util/intel-pt.c')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 617578440..137196990 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -100,6 +100,8 @@ struct intel_pt { u64 cyc_bit; u64 noretcomp_bit; unsigned max_non_turbo_ratio; + + unsigned long num_events; }; enum switch_state { @@ -972,6 +974,10 @@ static int intel_pt_synth_branch_sample(struct intel_pt_queue *ptq) if (pt->branches_filter && !(pt->branches_filter & ptq->flags)) return 0; + if (pt->synth_opts.initial_skip && + pt->num_events++ < pt->synth_opts.initial_skip) + return 0; + event->sample.header.type = PERF_RECORD_SAMPLE; event->sample.header.misc = PERF_RECORD_MISC_USER; event->sample.header.size = sizeof(struct perf_event_header); @@ -1029,6 +1035,10 @@ static int intel_pt_synth_instruction_sample(struct intel_pt_queue *ptq) union perf_event *event = ptq->event_buf; struct perf_sample sample = { .ip = 0, }; + if (pt->synth_opts.initial_skip && + pt->num_events++ < pt->synth_opts.initial_skip) + return 0; + event->sample.header.type = PERF_RECORD_SAMPLE; event->sample.header.misc = PERF_RECORD_MISC_USER; event->sample.header.size = sizeof(struct perf_event_header); @@ -1087,6 +1097,10 @@ static int intel_pt_synth_transaction_sample(struct intel_pt_queue *ptq) union perf_event *event = ptq->event_buf; struct perf_sample sample = { .ip = 0, }; + if (pt->synth_opts.initial_skip && + pt->num_events++ < pt->synth_opts.initial_skip) + return 0; + event->sample.header.type = PERF_RECORD_SAMPLE; event->sample.header.misc = PERF_RECORD_MISC_USER; event->sample.header.size = sizeof(struct perf_event_header); @@ -1199,14 +1213,18 @@ static int intel_pt_sample(struct intel_pt_queue *ptq) ptq->have_sample = false; if (pt->sample_instructions && - (state->type & INTEL_PT_INSTRUCTION)) { + (state->type & INTEL_PT_INSTRUCTION) && + (!pt->synth_opts.initial_skip || + pt->num_events++ >= pt->synth_opts.initial_skip)) { err = intel_pt_synth_instruction_sample(ptq); if (err) return err; } if (pt->sample_transactions && - (state->type & INTEL_PT_TRANSACTION)) { + (state->type & INTEL_PT_TRANSACTION) && + (!pt->synth_opts.initial_skip || + pt->num_events++ >= pt->synth_opts.initial_skip)) { err = intel_pt_synth_transaction_sample(ptq); if (err) return err; |