Em Wed, Feb 03, 2016 at 11:11:23PM +0900, Namhyung Kim escreveu: > Add 'L' key action to change the percent limit applied to both of hist > entries and callchains.
Thanks a lot, works like a charm! Applied, - Arnaldo > Suggested-by: Arnaldo Carvalho de Melo <[email protected]> > Signed-off-by: Namhyung Kim <[email protected]> > --- > tools/perf/ui/browsers/hists.c | 55 > ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 55 insertions(+) > > diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c > index 61d578bf4ffd..c6ae69716002 100644 > --- a/tools/perf/ui/browsers/hists.c > +++ b/tools/perf/ui/browsers/hists.c > @@ -2029,6 +2029,42 @@ static void hist_browser__update_nr_entries(struct > hist_browser *hb) > hb->nr_non_filtered_entries = nr_entries; > } > > +static void hist_browser__update_percent_limit(struct hist_browser *hb, > + double percent) > +{ > + struct hist_entry *he; > + struct rb_node *nd = rb_first(&hb->hists->entries); > + u64 total = hists__total_period(hb->hists); > + u64 min_callchain_hits = total * (percent / 100); > + > + hb->min_pcnt = callchain_param.min_percent = percent; > + > + if (!symbol_conf.use_callchain) > + return; > + > + while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { > + he = rb_entry(nd, struct hist_entry, rb_node); > + > + if (callchain_param.mode == CHAIN_GRAPH_REL) { > + total = he->stat.period; > + > + if (symbol_conf.cumulate_callchain) > + total = he->stat_acc->period; > + > + min_callchain_hits = total * (percent / 100); > + } > + > + callchain_param.sort(&he->sorted_chain, he->callchain, > + min_callchain_hits, &callchain_param); > + > + /* force to re-evaluate folding state of callchains */ > + he->init_have_children = false; > + hist_entry__set_folding(he, false); > + > + nd = rb_next(nd); > + } > +} > + > static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, > const char *helpline, > bool left_exits, > @@ -2064,6 +2100,7 @@ static int perf_evsel__hists_browse(struct perf_evsel > *evsel, int nr_events, > "E Expand all callchains\n" \ > "F Toggle percentage of filtered entries\n" \ > "H Display column headers\n" \ > + "L Change percent limit\n" \ > "m Display context menu\n" \ > "S Zoom into current Processor Socket\n" \ > > @@ -2219,6 +2256,24 @@ static int perf_evsel__hists_browse(struct perf_evsel > *evsel, int nr_events, > top->zero = !top->zero; > } > continue; > + case 'L': > + if (ui_browser__input_window("Percent Limit", > + "Please enter the value you want to > hide entries under that percent.", > + buf, "ENTER: OK, ESC: Cancel", > + delay_secs * 2) == K_ENTER) { > + char *end; > + double new_percent = strtod(buf, &end); > + > + if (new_percent < 0 || new_percent > 100) { > + ui_browser__warning(&browser->b, > delay_secs * 2, > + "Invalid percent: %.2f", > new_percent); > + continue; > + } > + > + hist_browser__update_percent_limit(browser, > new_percent); > + hist_browser__reset(browser); > + } > + continue; > case K_F1: > case 'h': > case '?': > -- > 2.7.0
