From patchwork Tue Feb 2 03:10:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guoqing Jiang X-Patchwork-Id: 12060499 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=-13.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 2DB2AC433E0 for ; Tue, 2 Feb 2021 03:11:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9B9264DA5 for ; Tue, 2 Feb 2021 03:11:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229797AbhBBDLE (ORCPT ); Mon, 1 Feb 2021 22:11:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229614AbhBBDLD (ORCPT ); Mon, 1 Feb 2021 22:11:03 -0500 Received: from mail-il1-x12e.google.com (mail-il1-x12e.google.com [IPv6:2607:f8b0:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 997E1C06174A for ; Mon, 1 Feb 2021 19:10:23 -0800 (PST) Received: by mail-il1-x12e.google.com with SMTP id e1so17737451ilu.0 for ; Mon, 01 Feb 2021 19:10:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloud.ionos.com; s=google; h=from:to:cc:subject:date:message-id; bh=bh/yPaYykxJvP+tNpPFp99QRxjgsKGKp9M92I6o/4Rw=; b=ii9RcOYKm3lmLnKk13hGsdfK4H4rx3nxZECzIXMqJVr/dZVpWwmuhkUCaDTQsC/og/ A12Rug1oE2XGCpOxCFY6/MClnj8XZA+3YYIdN9WhUpLCTGtEDC//4/w2XcfAwCn7KyCu T3vdSOz2TerRXzY4pWVJIu8lnE0rc/t0c/hfD2oj/L8cSOxG7gfiloS0ffZrr2Lfrv7j KsYR3fKQVTvxTO/TfzUSq0UGopbJVD4DLOt4j+rL5CugCEV7djphTUs0gCcUkVJXLEM2 +v2FeM8kSGWA/9iAxgki9EfXUHG7OHvQCCfdp82a98y0hc1DOBVl0JndiZ9M5HCx0joi Ugkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=bh/yPaYykxJvP+tNpPFp99QRxjgsKGKp9M92I6o/4Rw=; b=YLivAzz/pJPqK1+muzMOvIf5Ssszbd9i1pxQxRz66Yk7q/KW5OMbSB+IZzVwGfkRU4 Q0EvxAW1UzOGQCR722vBK1m42VH+ND/+cBFK6xABt+FsCS8U2V4hf4Mb43WI8mnM7R9k KrCXy7Yh7s3cOeWJ6/+YmXzmMs/ptVrbhBQ+p11zVvOP+uYASTF33T89tdWW5s8JVd/1 g8rkte8ltOxrQGT9+VyZuITCwtU4TYoS+7ataZlMHT+V3jPx/cuOXLZhVbu7wruvX5Dt Tm3bYG7zQAqo5RbmI5/muRxjAIUiPIJKm+szXVWhmq7DGyLn1yANp4+H9niW2TLXSL6M totQ== X-Gm-Message-State: AOAM533I3Ncvzb+Xsv1Rj9hKe4JCYgOkrcn/UsRMLdj8ChjV1Wh07WEz vlCjAhkdmtqXuuqAx14J4bXDrpGj6YszsrI9 X-Google-Smtp-Source: ABdhPJzD+5/8wUUSXFSlaH1nSrDLFs1qibDsdbYSUCEFeHYjvbwUSIiZ/pqeOcZTuWMvFy8zUGiOtg== X-Received: by 2002:a92:404d:: with SMTP id n74mr16521367ila.88.1612235421841; Mon, 01 Feb 2021 19:10:21 -0800 (PST) Received: from ls00508.pb.local ([2001:1438:4010:2540:c05c:3bba:187c:cddb]) by smtp.gmail.com with ESMTPSA id q5sm9099307ioi.43.2021.02.01.19.10.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Feb 2021 19:10:21 -0800 (PST) From: Guoqing Jiang To: axboe@kernel.dk Cc: linux-block@vger.kernel.org, danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com, Guoqing Jiang Subject: [PATCH V3 0/3] block: add two statistic tables Date: Tue, 2 Feb 2021 04:10:06 +0100 Message-Id: <20210202031009.11584-1-guoqing.jiang@cloud.ionos.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, I reorganized the patch set based on Johannes's suggestion. Thanks, Guoqing PATCH V2: https://lore.kernel.org/linux-block/20210201012727.28305-1-guoqing.jiang@cloud.ionos.com/T/#t *. remove BLK_ADDITIONAL_DISKSTAT option per Christoph's comment. *. move blk_queue_io_extra_stat into blk_additional_{latency,sector} per Christoph's comment. *. simplify blk_additional_latency by pass duration time directly. PATCH V1: https://marc.info/?l=linux-block&m=161176000024443&w=2 * add Jack's reviewed-by. RFC V4: https://marc.info/?l=linux-block&m=161027198729158&w=2 * rebase with latest code. RFC V3: https://marc.info/?l=linux-block&m=159730633416534&w=2 * Move the #ifdef CONFIG_BLK_ADDITIONAL_DISKSTAT into the function body per Johannes's comment. * Tweak the output of two tables to make they are more intuitive RFC V2: https://marc.info/?l=linux-block&m=159467483514062&w=2 * don't call ktime_get_ns and drop unnecessary patches. * add io_extra_stats to avoid potential overhead. RFC V1: https://marc.info/?l=linux-block&m=159419516730386&w=2 Guoqing Jiang (3): block: add io_extra_stats node block: add a statistic table for io latency block: add a statistic table for io sector Documentation/ABI/testing/sysfs-block | 26 ++++++++++ Documentation/block/queue-sysfs.rst | 5 ++ block/blk-core.c | 43 ++++++++++++++++ block/blk-sysfs.c | 3 ++ block/genhd.c | 74 +++++++++++++++++++++++++++ include/linux/blkdev.h | 2 + include/linux/part_stat.h | 6 +++ 7 files changed, 159 insertions(+) Reviewed-by: Johannes Thumshirn