From patchwork Fri Aug 7 06:17:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11704701 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0CEC14B7 for ; Fri, 7 Aug 2020 06:17:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8540622CF6 for ; Fri, 7 Aug 2020 06:17:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="uHBlGl0o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8540622CF6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 49BAC8D000D; Fri, 7 Aug 2020 02:17:46 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 3D4FB8D0002; Fri, 7 Aug 2020 02:17:46 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 24CD48D000D; Fri, 7 Aug 2020 02:17:46 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0159.hostedemail.com [216.40.44.159]) by kanga.kvack.org (Postfix) with ESMTP id 0BF358D0002 for ; Fri, 7 Aug 2020 02:17:46 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id CCDD13627 for ; Fri, 7 Aug 2020 06:17:45 +0000 (UTC) X-FDA: 77122766490.25.jeans16_310392426fbe Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id A4AC01804E3A0 for ; Fri, 7 Aug 2020 06:17:45 +0000 (UTC) X-Spam-Summary: 1,0,0,e7fb7fbf71af93a5,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:967:973:982:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:1981:2194:2197:2199:2200:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3653:3867:3868:3870:3871:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6261:6653:7576:7901:7903:8599:9025:9040:9207:9545:10004:10913:11473:11657:11658:11914:12043:12048:12114:12291:12296:12297:12517:12519:12555:12679:12783:12895:12986:13069:13255:13311:13357:14181:14384:14721:14849:14915:21080:21221:21325:21451:21611:21627:21939:21987:30029:30054,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201;04y8uxeozqf4exn41k66a1g4keu3wocxsozyjqpzmronuqzwwt5wjo9s98z9dgc.ethdo9fjgnq54rn7ymr1qny7tr7rame966oymhbn7nhg7ykkabk79w6ux43mxgi.y-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0. 5,Netche X-HE-Tag: jeans16_310392426fbe X-Filterd-Recvd-Size: 3118 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf15.hostedemail.com (Postfix) with ESMTP for ; Fri, 7 Aug 2020 06:17:45 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 668D22177B; Fri, 7 Aug 2020 06:17:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781064; bh=ghCvHaU0MhNYqjK58MzNNFkEn04Nm53tON39oKwbNH8=; h=Date:From:To:Subject:In-Reply-To:From; b=uHBlGl0ocHXyugJCbYfP/UhjwsqDuMhNcz7oAES/mnEG9pOfS9lIJeJ0+jyAV8FTI 4fGBrLuB2IfucjC0edC7Jn2NV0hhcJ6p46DHXvAph47bMpa+CyDq6tf24WSWmCzIz3 0mHd3WHrgSHIsrc+23ucdTadbRJySzr71lBRD0KA= Date: Thu, 06 Aug 2020 23:17:43 -0700 From: Andrew Morton To: akpm@linux-foundation.org, khlebnikov@yandex-team.ru, linux-mm@kvack.org, mm-commits@vger.kernel.org, sashal@kernel.org, torvalds@linux-foundation.org Subject: [patch 013/163] scripts/decode_stacktrace.sh: guess path to vmlinux by release name Message-ID: <20200807061743.TkcOXWDd2%akpm@linux-foundation.org> In-Reply-To: <20200806231643.a2711a608dd0f18bff2caf2b@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: A4AC01804E3A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Konstantin Khlebnikov Subject: scripts/decode_stacktrace.sh: guess path to vmlinux by release name Add option decode_stacktrace -r to specify only release name. This is enough to guess standard paths to vmlinux and modules: $ echo -e 'schedule+0x0/0x0 tap_open+0x0/0x0 [tap]' | ./scripts/decode_stacktrace.sh -r 5.4.0-37-generic schedule (kernel/sched/core.c:4138) tap_open (drivers/net/tap.c:502) tap Link: http://lkml.kernel.org/r/159282923334.248444.2399153100007347838.stgit@buzz Signed-off-by: Konstantin Khlebnikov Cc: Sasha Levin Signed-off-by: Andrew Morton --- scripts/decode_stacktrace.sh | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) --- a/scripts/decode_stacktrace.sh~scripts-decode_stacktrace-guess-path-to-vmlinux-by-release-name +++ a/scripts/decode_stacktrace.sh @@ -5,14 +5,33 @@ if [[ $# < 1 ]]; then echo "Usage:" - echo " $0 [base path] [modules path]" + echo " $0 -r | [base path] [modules path]" exit 1 fi -vmlinux=$1 -basepath=${2-auto} -modpath=$3 -release="" +if [[ $1 == "-r" ]] ; then + vmlinux="" + basepath="auto" + modpath="" + release=$2 + + for fn in {,/usr/lib/debug}/boot/vmlinux-$release{,.debug} /lib/modules/$release{,/build}/vmlinux ; do + if [ -e "$fn" ] ; then + vmlinux=$fn + break + fi + done + + if [[ $vmlinux == "" ]] ; then + echo "ERROR! vmlinux image for release $release is not found" >&2 + exit 2 + fi +else + vmlinux=$1 + basepath=${2-auto} + modpath=$3 + release="" +fi declare -A cache declare -A modcache