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=-11.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 D4AEFC433E1 for ; Fri, 24 Jul 2020 02:58:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B50CF206C1 for ; Fri, 24 Jul 2020 02:58:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ssa7v1dr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727012AbgGXC6W (ORCPT ); Thu, 23 Jul 2020 22:58:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726980AbgGXC6V (ORCPT ); Thu, 23 Jul 2020 22:58:21 -0400 Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98134C0619D3; Thu, 23 Jul 2020 19:58:21 -0700 (PDT) Received: by mail-pg1-x543.google.com with SMTP id g67so4399867pgc.8; Thu, 23 Jul 2020 19:58:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=JVe/Nr8YVppEXojByslf4v7Nsfmxy2s/PHY7BapPd8s=; b=ssa7v1drwV0tDj57qR2Nipq/Evi0GvUJQKdWXieVozMShJERcdCRXMCvXMOqcE14PJ 2TBdcFzIGjMMgFUg0Yxz3Kt/lRQuMigNWqA7OKJTu3fkRZcf9iJ4WxITX5CqTltcze6y AwBXmDDSKA9Gmxy7/pgKSZ2Srfc3dVZdA/UgTefQjzBPOAShCP1FQtOVK8+9h8u7cc2Z 0qilR6pQD77nfl3lUIL7HiDwWfDUBUGVOsgUiRen4wL8ReUOfp/1ldwpHhA2tOCGrF7G MObSfwUztcDtcT14zBBBJ934n4qNbm3eMujT+kth+UH/BTxurUZaQHhvgrnhqjJTZTo8 v5wQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=JVe/Nr8YVppEXojByslf4v7Nsfmxy2s/PHY7BapPd8s=; b=VokOkyPoE63ZtXS37Ntnlvu5i8CX+gfylbYdkhShgJKcyCcAGvsDUpnkH+a1CxNXT7 hQUcMEWIAU6K/xJkR54SDijrxsY0hP+WMqpcJODTOEgSyie3yau9WDvjdH29sE3aWXI0 gNq4NujCyZOyNNueebBKCZJgmmot0WliA7/aW0Xn+iXqS6szygCRpEg6H/P7veGOUIKF DmTs2W90oenY4m+Zx7LP6kQr7Trz/+kw+PMkyKSwOJbcNdVjO7lQjTRSmbdyLmdJZwUE et/sAPsCLAySYkho9OLSROJRtZCPujW5q0k0U2UO7C+Oe604RXlJZh+4K5MiR4Ffa7Jb Ecfw== X-Gm-Message-State: AOAM532d90o2z/op0cBeHis/lksey2OvcrS/slH6ELUQR0wKSgf21NiE znrvN8nzuJDC8Qu6DvYUuf26WKbaVv0= X-Google-Smtp-Source: ABdhPJzGhS7XSjC3UY42FAhDyqufoLak70mWTv89HjYZBN1rrj6ZV5idEsaCKe/QOWk0Wh//FKEtxw== X-Received: by 2002:a62:f206:: with SMTP id m6mr6786978pfh.260.1595559500881; Thu, 23 Jul 2020 19:58:20 -0700 (PDT) Received: from [10.8.0.10] ([203.205.141.54]) by smtp.gmail.com with ESMTPSA id g4sm4552680pgn.64.2020.07.23.19.58.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Jul 2020 19:58:20 -0700 (PDT) To: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org From: brookxu Subject: [PATCH 3/3] ext4: add needed paramter to, ext4_mb_discard_preallocations trace Message-ID: <0afd7706-aee2-cc23-7558-a60e39ac96a8@gmail.com> Date: Fri, 24 Jul 2020 10:58:18 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Add the needed value to ext4_mb_discard_preallocations trace, so we can more easily observe the requested number of trim. Signed-off-by: Chunguang Xu ---  include/trace/events/ext4.h | 14 ++++++++------  1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index cc41d69..61736d8 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -746,24 +746,26 @@  );    TRACE_EVENT(ext4_discard_preallocations, -    TP_PROTO(struct inode *inode), +    TP_PROTO(struct inode *inode, unsigned int needed),   -    TP_ARGS(inode), +    TP_ARGS(inode, needed),        TP_STRUCT__entry( -        __field(    dev_t,    dev            ) -        __field(    ino_t,    ino            ) +        __field(    dev_t,        dev        ) +        __field(    ino_t,        ino        ) +        __field(    unsigned int,    needed        )        ),        TP_fast_assign(          __entry->dev    = inode->i_sb->s_dev;          __entry->ino    = inode->i_ino; +        __entry->needed    = needed;      ),   -    TP_printk("dev %d,%d ino %lu", +    TP_printk("dev %d,%d ino %lu needed %u",            MAJOR(__entry->dev), MINOR(__entry->dev), -          (unsigned long) __entry->ino) +          (unsigned long) __entry->ino, __entry->needed)  );    TRACE_EVENT(ext4_mb_discard_preallocations, -- 1.8.3.1