Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756937Ab2JDMwZ (ORCPT ); Thu, 4 Oct 2012 08:52:25 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:58823 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756794Ab2JDMwT (ORCPT ); Thu, 4 Oct 2012 08:52:19 -0400 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , Stephane Eranian , LKML , Namhyung Kim , Pekka Enberg Subject: [PATCH 19/20] perf report: Show group description when event group is enabled Date: Thu, 4 Oct 2012 21:49:53 +0900 Message-Id: <1349354994-17853-20-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.9.2 In-Reply-To: <1349354994-17853-1-git-send-email-namhyung@kernel.org> References: <1349354994-17853-1-git-send-email-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6515 Lines: 191 From: Namhyung Kim When using event group viewer, it's better to show the group description rather than the leader information alone. If a leader did not contain any member, it's a non-group event. Cc: Jiri Olsa Cc: Stephane Eranian Cc: Pekka Enberg Signed-off-by: Namhyung Kim --- tools/perf/builtin-report.c | 18 ++++++++++++++++++ tools/perf/ui/browsers/hists.c | 31 +++++++++++++++++++++++++++++++ tools/perf/ui/gtk/browser.c | 14 +++++++++++--- tools/perf/util/evsel.c | 25 +++++++++++++++++++++++++ tools/perf/util/evsel.h | 8 ++++++++ 5 files changed, 93 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ba5cfb40818d..e9c9687e021a 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -299,6 +299,24 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self, char unit; unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; u64 nr_events = self->stats.total_period; + struct perf_evsel *evsel = hists_2_evsel(self); + char buf[512]; + size_t size = sizeof(buf); + + if (symbol_conf.event_group && evsel->nr_members) { + int i; + struct events_stats *stats; + + perf_evsel__group_desc(evsel, buf, size); + evname = buf; + + for (i = 0; i < evsel->nr_members; i++) { + stats = &self->group_stats[i]; + + nr_samples += stats->nr_events[PERF_RECORD_SAMPLE]; + nr_events += stats->total_period; + } + } nr_samples = convert_unit(nr_samples, &unit); ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 43eb90969799..e81773bd272e 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1123,6 +1123,24 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size, const struct thread *thread = hists->thread_filter; unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; u64 nr_events = hists->stats.total_period; + struct perf_evsel *evsel = hists_2_evsel(hists); + char buf[512]; + size_t buflen = sizeof(buf); + + if (symbol_conf.event_group && evsel->nr_members) { + int i; + struct events_stats *stats; + + perf_evsel__group_desc(evsel, buf, buflen); + ev_name = buf; + + for (i = 0; i < evsel->nr_members; i++) { + stats = &hists->group_stats[i]; + + nr_samples += stats->nr_events[PERF_RECORD_SAMPLE]; + nr_events += stats->total_period; + } + } nr_samples = convert_unit(nr_samples, &unit); printed = scnprintf(bf, size, @@ -1469,6 +1487,19 @@ static void perf_evsel_menu__write(struct ui_browser *browser, ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : HE_COLORSET_NORMAL); + if (symbol_conf.event_group && evsel->nr_members) { + int i; + struct events_stats *stats; + + ev_name = perf_evsel__group_name(evsel); + + for (i = 0; i < evsel->nr_members; i++) { + stats = &evsel->hists.group_stats[i]; + + nr_events += stats->nr_events[PERF_RECORD_SAMPLE]; + } + } + nr_events = convert_unit(nr_events, &unit); printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, unit, unit == ' ' ? "" : " ", ev_name); diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index ae6b941ef3d4..2c0e3e95dbca 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -305,10 +305,18 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *evname = perf_evsel__name(pos); GtkWidget *scrolled_window; GtkWidget *tab_label; + char buf[512]; + size_t size = sizeof(buf); - if (symbol_conf.event_group && - !perf_evsel__is_group_leader(pos)) - continue; + if (symbol_conf.event_group) { + if (!perf_evsel__is_group_leader(pos)) + continue; + + if (pos->nr_members) { + perf_evsel__group_desc(pos, buf, size); + evname = buf; + } + } scrolled_window = gtk_scrolled_window_new(NULL, NULL); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index ffdd94e9c9c3..919b4d2ea799 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -404,6 +404,31 @@ const char *perf_evsel__name(struct perf_evsel *evsel) return evsel->name ?: "unknown"; } +const char *perf_evsel__group_name(struct perf_evsel *evsel) +{ + return evsel->group_name ?: "anon group"; +} + +int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size) +{ + int ret; + struct perf_evsel *pos; + const char *group_name = perf_evsel__group_name(evsel); + + ret = scnprintf(buf, size, "%s", group_name); + + ret += scnprintf(buf + ret, size - ret, " { %s", + perf_evsel__name(evsel)); + + for_each_group_member(pos, evsel) + ret += scnprintf(buf + ret, size - ret, ", %s", + perf_evsel__name(pos)); + + ret += scnprintf(buf + ret, size - ret, " }"); + + return ret; +} + void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, struct perf_evsel *first) { diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 039c67297388..8d5937d98887 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -114,6 +114,8 @@ extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size); const char *perf_evsel__name(struct perf_evsel *evsel); +const char *perf_evsel__group_name(struct perf_evsel *evsel); +int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); @@ -240,4 +242,10 @@ static inline struct perf_evsel *hists_2_evsel(struct hists *hists) { return container_of(hists, struct perf_evsel, hists); } + +#define for_each_group_member(_evsel, _leader) \ +for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ + (_evsel) && (_evsel)->leader == (_leader); \ + (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) + #endif /* __PERF_EVSEL_H */ -- 1.7.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/