Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756786Ab2JDMvw (ORCPT ); Thu, 4 Oct 2012 08:51:52 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:62392 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756740Ab2JDMvr (ORCPT ); Thu, 4 Oct 2012 08:51:47 -0400 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , Stephane Eranian , LKML , Namhyung Kim Subject: [PATCH 10/20] perf tools: Keep group information Date: Thu, 4 Oct 2012 21:49:44 +0900 Message-Id: <1349354994-17853-11-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: 4645 Lines: 150 From: Namhyung Kim Add a few of group-related field in struct perf_{evlist,evsel} so that the group information in a evlist can be known easily. It only counts groups which have more than 1 members since leader-only groups are treated as non-group events. Cc: Jiri Olsa Cc: Stephane Eranian Signed-off-by: Namhyung Kim --- tools/perf/util/evlist.c | 10 ++++++++-- tools/perf/util/evlist.h | 1 + tools/perf/util/evsel.h | 10 ++++++++++ tools/perf/util/parse-events.c | 1 + tools/perf/util/parse-events.h | 1 + tools/perf/util/parse-events.y | 10 ++++++++++ 6 files changed, 31 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ae89686102f4..ac9730c12884 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -111,20 +111,26 @@ void perf_evlist__splice_list_tail(struct perf_evlist *evlist, void __perf_evlist__set_leader(struct list_head *list) { struct perf_evsel *evsel, *leader; + int count = 0; leader = list_entry(list->next, struct perf_evsel, node); leader->leader = NULL; list_for_each_entry(evsel, list, node) { - if (evsel != leader) + if (evsel != leader) { evsel->leader = leader; + evsel->group_idx = count++; + } } + leader->nr_members = count; } void perf_evlist__set_leader(struct perf_evlist *evlist) { - if (evlist->nr_entries) + if (evlist->nr_entries) { + evlist->nr_groups = evlist->nr_entries > 1 ? 1 : 0; __perf_evlist__set_leader(&evlist->entries); + } } int perf_evlist__add_default(struct perf_evlist *evlist) diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 3f1fb66be022..a3a4906d4a4e 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -21,6 +21,7 @@ struct perf_evlist { struct list_head entries; struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; int nr_entries; + int nr_groups; int nr_fds; int nr_mmaps; int mmap_len; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 3ead0d59c03d..407c8e84fee3 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -74,6 +74,10 @@ struct perf_evsel { int exclude_GH; struct perf_evsel *leader; char *group_name; + union { + int nr_members; + int group_idx; + }; }; struct cpu_map; @@ -225,4 +229,10 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) { return list_entry(evsel->node.next, struct perf_evsel, node); } + +/* Treat a non-group event as a leader */ +static inline bool perf_evsel__is_group_leader(struct perf_evsel *evsel) +{ + return evsel->leader == NULL; +} #endif /* __PERF_EVSEL_H */ diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index aed38e4b9dfa..364e518b0fce 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -816,6 +816,7 @@ int parse_events(struct perf_evlist *evlist, const char *str, if (!ret) { int entries = data.idx - evlist->nr_entries; perf_evlist__splice_list_tail(evlist, &data.list, entries); + evlist->nr_groups += data.nr_groups; return 0; } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index c356e443448d..f6b0254afe17 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -65,6 +65,7 @@ struct parse_events__term { struct parse_events_data__events { struct list_head list; int idx; + int nr_groups; }; struct parse_events_data__terms { diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index cd88209e3c58..a7810dd0938a 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -122,6 +122,11 @@ group_def: PE_NAME '{' events '}' { struct list_head *list = $3; + struct parse_events_data__events *data = _data; + + /* Count groups only have more than 1 members */ + if (!list_is_last(list->next, list)) + data->nr_groups++; parse_events__set_leader($1, list); $$ = list; @@ -130,6 +135,11 @@ PE_NAME '{' events '}' '{' events '}' { struct list_head *list = $2; + struct parse_events_data__events *data = _data; + + /* Count groups only have more than 1 members */ + if (!list_is_last(list->next, list)) + data->nr_groups++; parse_events__set_leader(NULL, list); $$ = list; -- 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/