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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS 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 7A415C4338F for ; Mon, 16 Aug 2021 02:42:47 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 40DB761465 for ; Mon, 16 Aug 2021 02:42:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 40DB761465 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vivo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.92.3) (envelope-from ) id 1mFSaM-0000Ej-O6; Mon, 16 Aug 2021 02:42:46 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) (envelope-from ) id 1mFSaL-0000Ea-2e for linux-f2fs-devel@lists.sourceforge.net; Mon, 16 Aug 2021 02:42:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Date:From:MIME-Version:In-Reply-To:Subject:Cc:To: Message-ID:Content-Transfer-Encoding:Content-Type:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=8QY8sEjxwhvxNBbkQoasJfAJFS1VOAy1XevEXvZyEu8=; b=m/NwFDjwCebmkPwPafdd3WcjZD lD9o3bW3DheC8gOBufWQEOWnc1iCYeRBRQT15hjIvkFN+t7zQodS12B3ss5xPMolXZcdFBRdriscX C7f+mZ28vL9N3/2zFwKPQ9HXPdTDzRsSfUEoLlRQa9rRhFRw6WxUffB3DM40oXtD1HpU=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Date:From:MIME-Version:In-Reply-To:Subject:Cc:To:Message-ID: Content-Transfer-Encoding:Content-Type:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=8QY8sEjxwhvxNBbkQoasJfAJFS1VOAy1XevEXvZyEu8=; b=lrv5Bhvw3ZSzGGkHUntslu+8zN mltCysz7OuEoJZo8YHrvdlVia28BbqH+EeBoNzDsmLjQNCv8dBpGy8mrzp49/fhIlB0Ac4TpEiWIE TxvcU5iQappnsd0iOVCmieWnCYNKWMslAq7JipLJUlXgqputotLMDU0GgI7IS+gaq28k=; Received: from mail-m176236.qiye.163.com ([59.111.176.236]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) id 1mFSaI-007n9J-31 for linux-f2fs-devel@lists.sourceforge.net; Mon, 16 Aug 2021 02:42:45 +0000 Received: from vivo.com (localhost [127.0.0.1]) by mail-m176236.qiye.163.com (Hmail) with ESMTP id 6643F780116; Mon, 16 Aug 2021 10:42:34 +0800 (CST) Message-ID: To: Chao Yu X-Priority: 3 X-Mailer: HMail Webmail Server V2.0 Copyright (c) 2016-163.com X-Originating-IP: 58.251.74.231 In-Reply-To: <01c884b3-1250-3585-c417-5afb7b4930f0@kernel.org> MIME-Version: 1.0 Received: from frank.li@vivo.com( [58.251.74.231) ] by ajax-webmail ( [127.0.0.1] ) ; Mon, 16 Aug 2021 10:42:34 +0800 (GMT+08:00) From: =?UTF-8?B?5p2O5oms6Z+s?= Date: Mon, 16 Aug 2021 10:42:34 +0800 (GMT+08:00) X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgPGg8OCBgUHx5ZQUlOS1dZCBgUCR5ZQVlLVUtZV1 kWDxoPAgseWUFZKDYvK1lXWShZQUhPN1dZLVlBSVdZDwkaFQgSH1lBWRkYH0hWT0lDSRgYSx1MTh 8ZVRMBExYaEhckFA4PWVdZFhoPEhUdFFlBWU9LSFVKSktISkxVS1kG X-HM-Sender-Digest: e1kJHlYWEh9ZQU1NS0pCTUJJS0NON1dZDB4ZWUEPCQ4eV1kSHx4VD1lB WUc6ODI6CQw*Az9MFx0dORkKVj8rKBkaCRZVSFVKTUlCS0NKTE5PQkhNVTMWGhIXVR0JGhUQVRcS Ow0SDRRVGBQWRVlXWRILWUFZTkNVSU5KVUxPVUlISllXWQgBWUFJTkxMNwY+ X-HM-Tid: 0a7b4cd6db35d9aekuws6643f780116 X-Headers-End: 1mFSaI-007n9J-31 Subject: Re: [f2fs-dev] =?utf-8?q?=5BPATCH_1/2=5D_f2fs=3A_add_sysfs_nodes_to_?= =?utf-8?q?get_discard_information?= X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jaegeuk@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net >> I've added new sysfs nodes to show discard stat since mount, which >> will help us analyze whether the performance problem is related to >> discard. >> >> issued_discard - Shows the number of issued discard >> queued_discard - Shows the number of cached discard cmd count >> discard_cmd_cnt - Shows the number of cached discard cmd count >> undiscard_blks - Shows the number of undiscard blocks > >We have exported them in debugfs, can you use that? > >Thanks, But now Android is forbidden to open debugfs, and in fact we have not opened this configuration for a long time. Thx, Yangtao _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel