Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932490AbbLBLZX (ORCPT ); Wed, 2 Dec 2015 06:25:23 -0500 Received: from mail-pa0-f48.google.com ([209.85.220.48]:35815 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932154AbbLBLZT (ORCPT ); Wed, 2 Dec 2015 06:25:19 -0500 From: Taeung Song To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Taeung Song , Namhyung Kim , Jiri Olsa Subject: [PATCH v12 03/22] perf config: Document 'buildid.dir' variable in man page Date: Wed, 2 Dec 2015 19:54:21 +0900 Message-Id: <1449053680-31931-3-git-send-email-treeze.taeung@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1449053680-31931-1-git-send-email-treeze.taeung@gmail.com> References: <1449053680-31931-1-git-send-email-treeze.taeung@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1652 Lines: 43 Explain 'buildid.dir' variable. Cc: Namhyung Kim Cc: Jiri Olsa Signed-off-by: Taeung Song --- tools/perf/Documentation/perf-config.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 417974c..e4817e0 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -153,6 +153,21 @@ tui.*, gtk.*:: By setting value, TUI or GTK can be enabled or not. But it is needed that perf detects the required library for them during build. +buildid.*:: + buildid.dir:: + Each executable and shared library in modern distributions comes with a + content based identifier that, if available, will be inserted in a + 'perf.data' file header to, at analysis time find what is needed to do + symbol resolution, code annotation, etc. + + The recording tools also stores a hard link or copy in a per-user + directory, $HOME/.debug/, of binaries, shared libraries, /proc/kallsyms + and /proc/kcore files to be used at analysis time. + + The buildid.dir variable can be used to either change this directory + cache location, or to disable it altogether. If you want to disable it, + set buildid.dir to /dev/null. The default is $HOME/.debug + SEE ALSO -------- linkperf:perf[1] -- 1.9.1 -- 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/