From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFBC9C64EB1 for ; Thu, 6 Dec 2018 21:27:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A5D7920989 for ; Thu, 6 Dec 2018 21:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544131658; bh=xRWoKTT5IBluDexeAv7T/c2r7ehrF69TOgT3zp2r4BA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QfGguoAQP5AXEeCNutlzi6dkQ3lGCoNoG8eelJbrq81TGLqJu/ALO3iyW4YhM8Wun rnSIm6EUYgDm0Br8fNQsavpJVyhxIDg9emHCFnpQlJ2UApmptT9I0MmVmQa4DqWLeu 2I9648ZRf0NPIbCYbB0eDQsLNer53OVQR9KwBuTQ= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5D7920989 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726224AbeLFV1h (ORCPT ); Thu, 6 Dec 2018 16:27:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:46328 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726209AbeLFV1g (ORCPT ); Thu, 6 Dec 2018 16:27:36 -0500 Received: from quaco.ghostprotocols.net (179.187.13.223.dynamic.adsl.gvt.net.br [179.187.13.223]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 26CBD208E7; Thu, 6 Dec 2018 21:27:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544131656; bh=xRWoKTT5IBluDexeAv7T/c2r7ehrF69TOgT3zp2r4BA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RXDmjJxL+To0KmzaW0Y0adjEeTreHO/uVIlL+ZaBoDmhM/jNhSaRKMdNEIDS75F+b g8qhhRScFeqXPmnA9OvDmS5PX1POUrT7tHAWyT5y20BPGWckCZJdut3iXAFkNA6WQF /Hw+OOGjAB9T/nIqrnG4x+KggnB2slOhkcSrB4Aw= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Alexei Starovoitov , Daniel Borkmann , David Ahern , "David S . Miller" , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 15/75] perf top: Allow passing a kallsyms file Date: Thu, 6 Dec 2018 18:25:02 -0300 Message-Id: <20181206212602.20474-16-acme@kernel.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181206212602.20474-1-acme@kernel.org> References: <20181206212602.20474-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo This basically replicates what was done for 'perf report' in: b226a5a72901 ("perf report: Allow user to specify path to kallsyms file") This should help with resolving eBPF symbols, that are in kallsyms but, of course, not in vmlinux. Reported-by: Ivan Babrou Tested-by: Ivan Babrou Cc: Adrian Hunter Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: David Ahern Cc: David S. Miller Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-x52mx1ybq8128rtg9hjrj5qk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-top.txt | 3 +++ tools/perf/builtin-top.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 808b664343c9..44d89fb9c788 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -70,6 +70,9 @@ Default is to monitor all CPUS. --ignore-vmlinux:: Ignore vmlinux files. +--kallsyms=:: + kallsyms pathname + -m :: --mmap-pages=:: Number of mmap data pages (must be a power of two) or size diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index aa0c73e57924..1252d1759064 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1289,6 +1289,8 @@ int cmd_top(int argc, const char **argv) "file", "vmlinux pathname"), OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, "don't load vmlinux even if found"), + OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, + "file", "kallsyms pathname"), OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, "hide kernel symbols"), OPT_CALLBACK('m', "mmap-pages", &opts->mmap_pages, "pages", -- 2.19.2