diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index b34de9291c27..699dd2149c4b 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -49,6 +49,7 @@ static const char *output_name = "perf.data"; static int group = 0; static int realtime_prio = 0; static bool raw_samples = false; +static bool sample_id_all_avail = true; static bool system_wide = false; static pid_t target_pid = -1; static pid_t target_tid = -1; @@ -61,6 +62,7 @@ static bool call_graph = false; static bool inherit_stat = false; static bool no_samples = false; static bool sample_address = false; +static bool sample_time = false; static bool no_buildid = false; static bool no_buildid_cache = false; @@ -283,6 +285,9 @@ static void create_counter(int counter, int cpu) if (system_wide) attr->sample_type |= PERF_SAMPLE_CPU; + if (sample_time) + attr->sample_type |= PERF_SAMPLE_TIME; + if (raw_samples) { attr->sample_type |= PERF_SAMPLE_TIME; attr->sample_type |= PERF_SAMPLE_RAW; @@ -299,6 +304,8 @@ static void create_counter(int counter, int cpu) attr->disabled = 1; attr->enable_on_exec = 1; } +retry_sample_id: + attr->sample_id_all = sample_id_all_avail ? 1 : 0; for (thread_index = 0; thread_index < thread_num; thread_index++) { try_again: @@ -315,6 +322,12 @@ try_again: else if (err == ENODEV && cpu_list) { die("No such device - did you specify" " an out-of-range profile CPU?\n"); + } else if (err == EINVAL && sample_id_all_avail) { + /* + * Old kernel, no attr->sample_id_type_all field + */ + sample_id_all_avail = false; + goto retry_sample_id; } /* @@ -661,6 +674,8 @@ static int __cmd_record(int argc, const char **argv) post_processing_offset = lseek(output, 0, SEEK_CUR); + perf_session__set_sample_id_all(session, sample_id_all_avail); + if (pipe_output) { err = event__synthesize_attrs(&session->header, process_synthesized_event, @@ -841,6 +856,7 @@ const struct option record_options[] = { "per thread counts"), OPT_BOOLEAN('d', "data", &sample_address, "Sample addresses"), + OPT_BOOLEAN('T', "timestamp", &sample_time, "Sample timestamps"), OPT_BOOLEAN('n', "no-samples", &no_samples, "don't sample"), OPT_BOOLEAN('N', "no-buildid-cache", &no_buildid_cache, |