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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-03-31 15:16:28 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-01 18:46:24 -0300 |
| commit | e6001980c61b45ef090e2b4c9c1953ef897cdeb0 (patch) | |
| tree | db02a0ade93b434c1851acafd3c4d7e84c2a9728 /tools/perf/builtin-trace.c | |
| parent | ac0e2cd555373ae6f8f3a3ad3fbbf5b6d1e7aaaa (diff) | |
| download | talos-obmc-linux-e6001980c61b45ef090e2b4c9c1953ef897cdeb0.tar.gz talos-obmc-linux-e6001980c61b45ef090e2b4c9c1953ef897cdeb0.zip | |
perf trace: Introduce function to set the base timestamp
That is used in both live runs, i.e.:
# trace ls
As when processing events recorded in a perf.data file:
# trace -i perf.data
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-901l6yebnzeqg7z8mbaf49xb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c45c1cfeb866..99daeed55a9b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2400,6 +2400,14 @@ static bool skip_sample(struct trace *trace, struct perf_sample *sample) return false; } +static void trace__set_base_time(struct trace *trace, + struct perf_evsel *evsel __maybe_unused, + struct perf_sample *sample) +{ + if (trace->base_time == 0 && !trace->full_time) + trace->base_time = sample->time; +} + static int trace__process_sample(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, @@ -2414,8 +2422,7 @@ static int trace__process_sample(struct perf_tool *tool, if (skip_sample(trace, sample)) return 0; - if (!trace->full_time && trace->base_time == 0) - trace->base_time = sample->time; + trace__set_base_time(trace, evsel, sample); if (handler) { ++trace->nr_events; @@ -2553,9 +2560,6 @@ static void trace__handle_event(struct trace *trace, union perf_event *event, st const u32 type = event->header.type; struct perf_evsel *evsel; - if (!trace->full_time && trace->base_time == 0) - trace->base_time = sample->time; - if (type != PERF_RECORD_SAMPLE) { trace__process_event(trace, trace->host, event, sample); return; @@ -2567,6 +2571,8 @@ static void trace__handle_event(struct trace *trace, union perf_event *event, st return; } + trace__set_base_time(trace, evsel, sample); + if (evsel->attr.type == PERF_TYPE_TRACEPOINT && sample->raw_data == NULL) { fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", |
