From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754452AbcAOVll (ORCPT ); Fri, 15 Jan 2016 16:41:41 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:40745 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754321AbcAOVlj (ORCPT ); Fri, 15 Jan 2016 16:41:39 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Ben Hutchings , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 2/8] perf symbols: Fix reading of build-id from vDSO Date: Fri, 15 Jan 2016 18:40:59 -0300 Message-Id: <1452894065-29769-3-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1452894065-29769-1-git-send-email-acme@kernel.org> References: <1452894065-29769-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.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: Ben Hutchings We need to use the long name (the filename) when reading the build-id from a DSO. Using the short name doesn't work for (at least) vDSOs. Signed-off-by: Ben Hutchings Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20160113172301.GT28542@decadent.org.uk Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/symbol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3b2de6eb3376..ab02209a7cf3 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1466,7 +1466,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) * Read the build id if possible. This is required for * DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work */ - if (filename__read_build_id(dso->name, build_id, BUILD_ID_SIZE) > 0) + if (filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0) dso__set_build_id(dso, build_id); /* -- 2.1.0