diff options
| -rw-r--r-- | tools/perf/util/intel-pt.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 1e07a3c03102..c5b860c842f0 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -124,6 +124,9 @@ struct intel_pt { u64 evt_sample_type; u64 evt_id; + u64 iflag_chg_sample_type; + u64 iflag_chg_id; + u64 tsc_bit; u64 mtc_bit; u64 mtc_freq_bits; @@ -2209,6 +2212,39 @@ static int intel_pt_synth_events_sample(struct intel_pt_queue *ptq) pt->evt_sample_type); } +static int intel_pt_synth_iflag_chg_sample(struct intel_pt_queue *ptq) +{ + struct intel_pt *pt = ptq->pt; + union perf_event *event = ptq->event_buf; + struct perf_sample sample = { .ip = 0, }; + struct perf_synth_intel_iflag_chg raw; + + if (intel_pt_skip_event(pt)) + return 0; + + intel_pt_prep_p_sample(pt, ptq, event, &sample); + + sample.id = ptq->pt->iflag_chg_id; + sample.stream_id = ptq->pt->iflag_chg_id; + + raw.flags = 0; + raw.iflag = ptq->state->to_iflag; + + if (ptq->state->type & INTEL_PT_BRANCH) { + raw.via_branch = 1; + raw.branch_ip = ptq->state->to_ip; + } else { + sample.addr = 0; + } + sample.flags = ptq->flags; + + sample.raw_size = perf_synth__raw_size(raw); + sample.raw_data = perf_synth__raw_data(&raw); + + return intel_pt_deliver_synth_event(pt, event, &sample, + pt->iflag_chg_sample_type); +} + static int intel_pt_synth_error(struct intel_pt *pt, int code, int cpu, pid_t pid, pid_t tid, u64 ip, u64 timestamp) { @@ -2321,6 +2357,11 @@ static int intel_pt_sample(struct intel_pt_queue *ptq) if (err) return err; } + if (state->type & INTEL_PT_IFLAG_CHG) { + err = intel_pt_synth_iflag_chg_sample(ptq); + if (err) + return err; + } } if (pt->sample_pwr_events) { @@ -3531,6 +3572,17 @@ static int intel_pt_synth_events(struct intel_pt *pt, id += 1; } + if (pt->synth_opts.intr_events && pt->cap_event_trace) { + attr.config = PERF_SYNTH_INTEL_IFLAG_CHG; + err = intel_pt_synth_event(session, "iflag", &attr, id); + if (err) + return err; + pt->iflag_chg_sample_type = attr.sample_type; + pt->iflag_chg_id = id; + intel_pt_set_event_name(evlist, id, "iflag"); + id += 1; + } + return 0; } |