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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 19-20020a631753000000b0055beccef366si5178771pgx.727.2023.07.13.09.04.27; Thu, 13 Jul 2023 09:04:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b="rDx/v+KK"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234976AbjGMPoL (ORCPT + 99 others); Thu, 13 Jul 2023 11:44:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234968AbjGMPoJ (ORCPT ); Thu, 13 Jul 2023 11:44:09 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C33E726AE; Thu, 13 Jul 2023 08:44:07 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-31441bc0092so1005082f8f.1; Thu, 13 Jul 2023 08:44:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689263046; x=1691855046; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=FvRlZtB80kqt918KBfquPupEbUMqX2LlONs8BTPE/UM=; b=rDx/v+KKofJk5t59ihQAwCJefTYDfG2J/RcIkMvxkYlKfnn83EAoa6LhqYm0m6oag5 HexVnTsaw21LlqPE46qhz5RQDoAwsAkL9T4GE7eLj2KA3ZzaCG9PZp53dhnXKk3WbeFH LbPQmm+8arsg8t6btiQQZSFRA/18UcFiG/wsk2zPwgMzKGALlb063IrCr/mJ3QZnkDoQ 0y9wNefGRAczsUah46B1kVwfKdO0q3/Fo7+qUxVYiVFcvo4AKCHjZbBpu/njKYvTGGZJ 6zt/cOyXm/I0G6ffIbwvgjzExX52+iB5Sk2TeLovvJRVIwCtoJdliUZAUDgtKyBwccgu SyjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689263046; x=1691855046; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=FvRlZtB80kqt918KBfquPupEbUMqX2LlONs8BTPE/UM=; b=hBPGKymeud3X/fh2tqlWIpcdlNdF2yEjvprscp1H1lU9a/qINzS1v5BzC6gKWsnHQA ek9mSJOAgrrcED1MMYYrfLWYizZ6lWwhctXZlo5/Vt1X8IrkbefjahZpqpvAgz3yULxd Gec2fxGCodjybdtq95Sy9dBorUmXUacYSP1ra6Q54oSFyvDM5Zdi1Wd57DCbqpLEe+AD vars2IIa1Uy2mW4eGmQRlRx4/SHM9ti1RmcsKt1jZTiaBxwCHgpuXAVBu/lmEe2AqrLy vblxws25uwItI0CVZbMtgKbRST6A2BXi7j2SjSN1HDgfrdgUhLQdq9A9K1H2f5uuOFQv RT8A== X-Gm-Message-State: ABy/qLZYN/qbIqOyCM2ljdyUNUMPWfEEJtJvnYaDkWpMHzw1DIfI+tvf Du1P42liJrybIwRKsNXXC6koWnP2SH8rRDq7XSC68YRE X-Received: by 2002:a5d:42cb:0:b0:311:142d:5d97 with SMTP id t11-20020a5d42cb000000b00311142d5d97mr1760374wrr.31.1689263045526; Thu, 13 Jul 2023 08:44:05 -0700 (PDT) MIME-Version: 1.0 From: richard clark Date: Thu, 13 Jul 2023 23:43:54 +0800 Message-ID: Subject: Question about the 'bw' field in the fio output To: fio@vger.kernel.org Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I found that sometimes the fio command will have an additional 'bw' field as below: ... clat percentiles (usec): | 1.00th=[. 51]... bw ( KiB/s): min=45689, max=49753, per=100.00%, avg=49658.56, stdev=89.23, samples =5 iops : min=..... ... Please there is a line beginning with 'bw ( KiB/s)...', but sometimes the 'bw' line doesn't show, does anybody know the reasons? Thanks.