From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756743Ab3HLKXT (ORCPT ); Mon, 12 Aug 2013 06:23:19 -0400 Received: from terminus.zytor.com ([198.137.202.10]:48095 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756603Ab3HLKXP (ORCPT ); Mon, 12 Aug 2013 06:23:15 -0400 Date: Mon, 12 Aug 2013 03:22:32 -0700 From: tip-bot for Adrian Hunter Message-ID: Cc: linux-kernel@vger.kernel.org, eranian@google.com, paulus@samba.org, acme@redhat.com, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, efault@gmx.de, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, adrian.hunter@intel.com, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, acme@redhat.com, paulus@samba.org, eranian@google.com, linux-kernel@vger.kernel.org, efault@gmx.de, peterz@infradead.org, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, adrian.hunter@intel.com, tglx@linutronix.de In-Reply-To: <1375875537-4509-14-git-send-email-adrian.hunter@intel.com> References: <1375875537-4509-14-git-send-email-adrian.hunter@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf annotate: Add call target name if it is missing Git-Commit-ID: b178170a38e719cb7bc4a14d3f5e4b4ea6b7b851 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Mon, 12 Aug 2013 03:22:40 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: b178170a38e719cb7bc4a14d3f5e4b4ea6b7b851 Gitweb: http://git.kernel.org/tip/b178170a38e719cb7bc4a14d3f5e4b4ea6b7b851 Author: Adrian Hunter AuthorDate: Wed, 7 Aug 2013 14:38:57 +0300 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 7 Aug 2013 17:35:36 -0300 perf annotate: Add call target name if it is missing The /proc/kcore file has no symbols, so the call target name does not display. Fix by looking up the symbol name if it is on the same map. Reported-by: Arnaldo Carvalho de Melo Signed-off-by: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1375875537-4509-14-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/annotate.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 646e38d..bfc5a27 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -825,6 +825,22 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, dl->ops.target.offset = dl->ops.target.addr - map__rip_2objdump(map, sym->start); + /* + * kcore has no symbols, so add the call target name if it is on the + * same map. + */ + if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { + struct symbol *s; + u64 ip = dl->ops.target.addr; + + if (ip >= map->start && ip <= map->end) { + ip = map->map_ip(map, ip); + s = map__find_symbol(map, ip, NULL); + if (s && s->start == ip) + dl->ops.target.name = strdup(s->name); + } + } + disasm__add(¬es->src->source, dl); return 0;