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@@ -304,6 +304,13 @@ static void print_sample_start(struct perf_sample *sample,
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}
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}
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+static bool is_bts_event(struct perf_event_attr *attr)
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+{
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+ return ((attr->type == PERF_TYPE_HARDWARE) &&
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+ (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
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+ (attr->sample_period == 1));
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+}
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+
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static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
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{
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if ((attr->type == PERF_TYPE_SOFTWARE) &&
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@@ -312,6 +319,9 @@ static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
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(attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
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return true;
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+ if (is_bts_event(attr))
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+ return true;
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+
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return false;
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}
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@@ -353,6 +363,33 @@ static void print_sample_addr(union perf_event *event,
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}
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}
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+static void print_sample_bts(union perf_event *event,
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+ struct perf_sample *sample,
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+ struct perf_evsel *evsel,
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+ struct machine *machine,
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+ struct thread *thread)
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+{
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+ struct perf_event_attr *attr = &evsel->attr;
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+
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+ /* print branch_from information */
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+ if (PRINT_FIELD(IP)) {
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+ if (!symbol_conf.use_callchain)
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+ printf(" ");
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+ else
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+ printf("\n");
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+ perf_event__print_ip(event, sample, machine, evsel,
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+ PRINT_FIELD(SYM), PRINT_FIELD(DSO));
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+ }
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+
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+ printf(" => ");
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+
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+ /* print branch_to information */
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+ if (PRINT_FIELD(ADDR))
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+ print_sample_addr(event, sample, machine, thread, attr);
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+
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+ printf("\n");
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+}
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+
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static void process_event(union perf_event *event __unused,
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struct perf_sample *sample,
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struct perf_evsel *evsel,
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@@ -366,6 +403,11 @@ static void process_event(union perf_event *event __unused,
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print_sample_start(sample, thread, attr);
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+ if (is_bts_event(attr)) {
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+ print_sample_bts(event, sample, evsel, machine, thread);
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+ return;
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+ }
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+
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if (PRINT_FIELD(TRACE))
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print_trace_event(sample->cpu, sample->raw_data,
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sample->raw_size);
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