diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-script.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index add13ec15977..414d49ad83de 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -304,6 +304,13 @@ static void print_sample_start(struct perf_sample *sample, } } +static bool is_bts_event(struct perf_event_attr *attr) +{ + return ((attr->type == PERF_TYPE_HARDWARE) && + (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && + (attr->sample_period == 1)); +} + static bool sample_addr_correlates_sym(struct perf_event_attr *attr) { if ((attr->type == PERF_TYPE_SOFTWARE) && @@ -312,6 +319,9 @@ static bool sample_addr_correlates_sym(struct perf_event_attr *attr) (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) return true; + if (is_bts_event(attr)) + return true; + return false; } @@ -353,6 +363,33 @@ static void print_sample_addr(union perf_event *event, } } +static void print_sample_bts(union perf_event *event, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine, + struct thread *thread) +{ + struct perf_event_attr *attr = &evsel->attr; + + /* print branch_from information */ + if (PRINT_FIELD(IP)) { + if (!symbol_conf.use_callchain) + printf(" "); + else + printf("\n"); + perf_event__print_ip(event, sample, machine, evsel, + PRINT_FIELD(SYM), PRINT_FIELD(DSO)); + } + + printf(" => "); + + /* print branch_to information */ + if (PRINT_FIELD(ADDR)) + print_sample_addr(event, sample, machine, thread, attr); + + printf("\n"); +} + static void process_event(union perf_event *event __unused, struct perf_sample *sample, struct perf_evsel *evsel, @@ -366,6 +403,11 @@ static void process_event(union perf_event *event __unused, print_sample_start(sample, thread, attr); + if (is_bts_event(attr)) { + print_sample_bts(event, sample, evsel, machine, thread); + return; + } + if (PRINT_FIELD(TRACE)) print_trace_event(sample->cpu, sample->raw_data, sample->raw_size); |