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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 EC57EC43457 for ; Fri, 16 Oct 2020 02:50:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6E7C82074D for ; Fri, 16 Oct 2020 02:50:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="D9FWjlpt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E7C82074D 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 04CE294007C; Thu, 15 Oct 2020 22:50:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F3ECE94006D; Thu, 15 Oct 2020 22:50:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E7B7594007C; Thu, 15 Oct 2020 22:50:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id B7B0194006D for ; Thu, 15 Oct 2020 22:50:27 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 61638180AD807 for ; Fri, 16 Oct 2020 02:50:27 +0000 (UTC) X-FDA: 77376260094.24.value31_5e0cc1427219 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin24.hostedemail.com (Postfix) with ESMTP id 3EBD71A4A0 for ; Fri, 16 Oct 2020 02:50:27 +0000 (UTC) X-HE-Tag: value31_5e0cc1427219 X-Filterd-Recvd-Size: 3774 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf46.hostedemail.com (Postfix) with ESMTP for ; Fri, 16 Oct 2020 02:50:26 +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 A9A4D214DB; Fri, 16 Oct 2020 02:50:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602816626; bh=tjuutfQQSKJ3g0CRo8wnM1bRCb7ZvtDm+NQRiwwfDpI=; h=Date:From:To:Subject:In-Reply-To:From; b=D9FWjlptTeRQz+pE0v8dwSO+HrY6Ej+/T78LZzRVns9feXLwZgR8IympCGH0LjiwW 1GN7LJjV4BPpPRgb//tQKnsbSIMkn6Fet9MWntmsD3NYB1wQqqKZqomd9J0y+earxt S/eRoM1qecxtA69MRBye8hU8BadHRmrAA3FYkzmw= Date: Thu, 15 Oct 2020 19:50:25 -0700 From: Andrew Morton To: akpm@linux-foundation.org, jan.kiszka@siemens.com, kbingham@kernel.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, riteshh@linux.ibm.com, torvalds@linux-foundation.org Subject: [patch 150/156] scripts/gdb/proc: add struct mount & struct super_block addr in lx-mounts command Message-ID: <20201016025025.KYvX2igmq%akpm@linux-foundation.org> In-Reply-To: <20201015192732.f448da14e9854c7cb7299956@linux-foundation.org> User-Agent: s-nail v14.8.16 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: Ritesh Harjani Subject: scripts/gdb/proc: add struct mount & struct super_block addr in lx-mounts command This is many times found useful while debugging some FS related issue. mount super_block devname pathname fstype options 0xffff888a0bfa4b40 0xffff888a0bfc1000 none / rootfs rw 0 0 0xffff888a033f75c0 0xffff8889fcf65000 /dev/root / ext4 rw,relatime 0 0 0xffff8889fc8ce040 0xffff888a0bb51000 devtmpfs /dev devtmpfs rw,relatime 0 0 Link: http://lkml.kernel.org/r/a3c4177e1597b3e06d66d55e07d72c0c46a03571.1597742951.git.riteshh@linux.ibm.com Signed-off-by: Ritesh Harjani Reviewed-by: Jan Kiszka Cc: Kieran Bingham Signed-off-by: Andrew Morton --- scripts/gdb/linux/proc.py | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) --- a/scripts/gdb/linux/proc.py~proc-add-struct-mount-struct-super_block-addr-in-lx-mounts-command +++ a/scripts/gdb/linux/proc.py @@ -167,6 +167,9 @@ values of that process namespace""" if not namespace: raise gdb.GdbError("No namespace for current process") + gdb.write("{:^18} {:^15} {:>9} {} {} options\n".format( + "mount", "super_block", "devname", "pathname", "fstype")) + for vfs in lists.list_for_each_entry(namespace['list'], mount_ptr_type, "mnt_list"): devname = vfs['mnt_devname'].string() @@ -190,14 +193,10 @@ values of that process namespace""" m_flags = int(vfs['mnt']['mnt_flags']) rd = "ro" if (s_flags & constants.LX_SB_RDONLY) else "rw" - gdb.write( - "{} {} {} {}{}{} 0 0\n" - .format(devname, - pathname, - fstype, - rd, - info_opts(FS_INFO, s_flags), - info_opts(MNT_INFO, m_flags))) + gdb.write("{} {} {} {} {} {}{}{} 0 0\n".format( + vfs.format_string(), superblock.format_string(), devname, + pathname, fstype, rd, info_opts(FS_INFO, s_flags), + info_opts(MNT_INFO, m_flags))) LxMounts() _