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>
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index c45c1cf..99daeed 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2400,6 +2400,14 @@
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 @@
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 @@
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 @@
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",