From f6d8b0571c9ac8f273d18c112c2fc3c9533c9f0a Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 8 Jan 2014 14:45:24 -0300 Subject: [PATCH] perf report: Move histogram entries collapsing to separate function Further uncluttering the main 'report' function by group related code in separate function. Cc: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-b594zsbwke8khir13kudwqmj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 73 +++++++++++++++++++++++-------------- 1 file changed, 45 insertions(+), 28 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 03941ad8fc46..cff9465847f2 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -486,13 +486,55 @@ static int report__browse_hists(struct report *rep) return ret; } +static u64 report__collapse_hists(struct report *rep) +{ + struct ui_progress prog; + struct perf_evsel *pos; + u64 nr_samples = 0; + /* + * Count number of histogram entries to use when showing progress, + * reusing nr_samples variable. + */ + list_for_each_entry(pos, &rep->session->evlist->entries, node) + nr_samples += pos->hists.nr_entries; + + ui_progress__init(&prog, nr_samples, "Merging related events..."); + /* + * Count total number of samples, will be used to check if this + * session had any. + */ + nr_samples = 0; + + list_for_each_entry(pos, &rep->session->evlist->entries, node) { + struct hists *hists = &pos->hists; + + if (pos->idx == 0) + hists->symbol_filter_str = rep->symbol_filter_str; + + hists__collapse_resort(hists, &prog); + nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; + + /* Non-group events are considered as leader */ + if (symbol_conf.event_group && + !perf_evsel__is_group_leader(pos)) { + struct hists *leader_hists = &pos->leader->hists; + + hists__match(leader_hists, hists); + hists__link(leader_hists, hists); + } + } + + ui_progress__finish(); + + return nr_samples; +} + static int __cmd_report(struct report *rep) { - int ret = -EINVAL; + int ret; u64 nr_samples; struct perf_session *session = rep->session; struct perf_evsel *pos; - struct ui_progress prog; struct perf_data_file *file = session->file; signal(SIGINT, sig_handler); @@ -530,32 +572,7 @@ static int __cmd_report(struct report *rep) } } - nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) - nr_samples += pos->hists.nr_entries; - - ui_progress__init(&prog, nr_samples, "Merging related events..."); - - nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { - struct hists *hists = &pos->hists; - - if (pos->idx == 0) - hists->symbol_filter_str = rep->symbol_filter_str; - - hists__collapse_resort(hists, &prog); - nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; - - /* Non-group events are considered as leader */ - if (symbol_conf.event_group && - !perf_evsel__is_group_leader(pos)) { - struct hists *leader_hists = &pos->leader->hists; - - hists__match(leader_hists, hists); - hists__link(leader_hists, hists); - } - } - ui_progress__finish(); + nr_samples = report__collapse_hists(rep); if (session_done()) return 0; -- 2.30.2