On Thu, Sep 28, 2017 at 08:45:21PM +0800, Jin Yao wrote: SNIP
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c > index 9092de0..7fd3063 100644 > --- a/tools/perf/builtin-script.c > +++ b/tools/perf/builtin-script.c > @@ -1357,6 +1357,8 @@ static void print_sample_synth(struct perf_sample > *sample, > } > } > > +#define PTIME_RANGE_MAX 10 > + > struct perf_script { > struct perf_tool tool; > struct perf_session *session; > @@ -1370,6 +1372,8 @@ struct perf_script { > int name_width; > const char *time_str; > struct perf_time_interval ptime; > + struct perf_time_interval ptime_range[PTIME_RANGE_MAX]; > + int range_num; > }; > > static int perf_evlist__max_name_len(struct perf_evlist *evlist) > @@ -1565,8 +1569,11 @@ static int process_sample_event(struct perf_tool *tool, > struct perf_script *scr = container_of(tool, struct perf_script, tool); > struct addr_location al; > > - if (perf_time__skip_sample(&scr->ptime, sample->time)) > + if (perf_time__skip_sample(&scr->ptime, sample->time) || > + perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, > + sample->time)) { any reason for why dont use ptime_range[1] with range_num = 1 and use just a single call here? jirka