Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933674Ab3HGVW3 (ORCPT ); Wed, 7 Aug 2013 17:22:29 -0400 Received: from merlin.infradead.org ([205.233.59.134]:47014 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933371Ab3HGVL1 (ORCPT ); Wed, 7 Aug 2013 17:11:27 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jiri Olsa , Corey Ashford , Frederic Weisbecker , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 06/47] perf evlist: Add perf_evlist__id2sid method to get event ID related data Date: Wed, 7 Aug 2013 18:10:33 -0300 Message-Id: <1375909874-22073-7-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1375909874-22073-1-git-send-email-acme@infradead.org> References: <1375909874-22073-1-git-send-email-acme@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2632 Lines: 82 From: Jiri Olsa This will be helpful for PERF_FORMAT_GROUP samples where we need to store ID related period value for each event. Signed-off-by: Jiri Olsa Acked-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-twmlgsbyim97p7cyohjwb1df@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evlist.c | 21 ++++++++++++++++----- tools/perf/util/evlist.h | 2 ++ 2 files changed, 18 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 10fcc03..da2dd92 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -337,21 +337,32 @@ static int perf_evlist__id_add_fd(struct perf_evlist *evlist, return 0; } -struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) +struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id) { struct hlist_head *head; struct perf_sample_id *sid; int hash; - if (evlist->nr_entries == 1) - return perf_evlist__first(evlist); - hash = hash_64(id, PERF_EVLIST__HLIST_BITS); head = &evlist->heads[hash]; hlist_for_each_entry(sid, head, node) if (sid->id == id) - return sid->evsel; + return sid; + + return NULL; +} + +struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) +{ + struct perf_sample_id *sid; + + if (evlist->nr_entries == 1) + return perf_evlist__first(evlist); + + sid = perf_evlist__id2sid(evlist, id); + if (sid) + return sid->evsel; if (!perf_evlist__sample_id_all(evlist)) return perf_evlist__first(evlist); diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index c7178b7..327abab 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -78,6 +78,8 @@ void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); +struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id); + union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); int perf_evlist__open(struct perf_evlist *evlist); -- 1.8.1.4 -- 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/