From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752507Ab1IWU1D (ORCPT ); Fri, 23 Sep 2011 16:27:03 -0400 Received: from merlin.infradead.org ([205.233.59.134]:35475 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752467Ab1IWU04 (ORCPT ); Fri, 23 Sep 2011 16:26:56 -0400 From: Arnaldo Carvalho de Melo To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , David Ahern , Frederic Weisbecker , Mike Galbraith , Paul Mackerras , Peter Zijlstra , Stephane Eranian Subject: [PATCH 11/12] perf top: Fix userspace sample addr map offset Date: Fri, 23 Sep 2011 17:26:25 -0300 Message-Id: <1316809586-28529-12-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.6.2.5 In-Reply-To: <1316809586-28529-1-git-send-email-acme@infradead.org> References: <1316809586-28529-1-git-send-email-acme@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by canuck.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 From: Arnaldo Carvalho de Melo The 'perf top' tool came from the kernel where we had each DSO (vmlinux, modules) loaded just once at a time. But userspace may have DSOs loaded in multiple addresses (shared libraries), requiring that we use the just resolved map instead of the first one found. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-ag53wz0yllpgers0n2w7hchp@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index a43433f..d28013b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -191,7 +191,8 @@ static void __zero_source_counters(struct sym_entry *syme) symbol__annotate_zero_histograms(sym); } -static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) +static void record_precise_ip(struct sym_entry *syme, struct map *map, + int counter, u64 ip) { struct annotation *notes; struct symbol *sym; @@ -205,8 +206,8 @@ static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) if (pthread_mutex_trylock(¬es->lock)) return; - ip = syme->map->map_ip(syme->map, ip); - symbol__inc_addr_samples(sym, syme->map, counter, ip); + ip = map->map_ip(map, ip); + symbol__inc_addr_samples(sym, map, counter, ip); pthread_mutex_unlock(¬es->lock); } @@ -810,7 +811,7 @@ static void perf_event__process_sample(const union perf_event *event, evsel = perf_evlist__id2evsel(top.evlist, sample->id); assert(evsel != NULL); syme->count[evsel->idx]++; - record_precise_ip(syme, evsel->idx, ip); + record_precise_ip(syme, al.map, evsel->idx, ip); pthread_mutex_lock(&top.active_symbols_lock); if (list_empty(&syme->node) || !syme->node.next) { static bool first = true; -- 1.6.2.5