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=0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, ZIPFILE 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 E0ACCC432C0 for ; Fri, 29 Nov 2019 14:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC56C217AB for ; Fri, 29 Nov 2019 14:41:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=unipv-it.20150623.gappssmtp.com header.i=@unipv-it.20150623.gappssmtp.com header.b="oQRm0AlH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726970AbfK2OlH (ORCPT ); Fri, 29 Nov 2019 09:41:07 -0500 Received: from mail-wm1-f50.google.com ([209.85.128.50]:39340 "EHLO mail-wm1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726843AbfK2OlH (ORCPT ); Fri, 29 Nov 2019 09:41:07 -0500 Received: by mail-wm1-f50.google.com with SMTP id s14so8556929wmh.4 for ; Fri, 29 Nov 2019 06:41:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unipv-it.20150623.gappssmtp.com; s=20150623; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version; bh=ZfM3GovPXzN4SKlLoN9sS3h6HAqKDeCW7nRc1sCilh8=; b=oQRm0AlHFMiZ4UNhJ4OAPY98dzpKCaf4jdTuY1b92ZKXEWbO82fDgPns6BFK7Krhcw fULlRHHrnz9uFT+hFnHyA6P/DK0ygLE+PkiAVUs+3xa4/fI6FX8s130Q1zCOI4BSE96A 82Ynb8noyaBtEtrlmIPFwlhqHHcrtOF6u/vayy3R87MxP9FTWk1AUMtXhXDxhC+TOtgD DJJ0NkMV4PukiW5FjU5hK2N6AdDAwYmvBw7doeAiAXWNkPdP5EZVSbEDNQZkLGO3zV6/ 0b2ZYqTBOV1dUSP0j95vDto7+IGAD0NwmUhlG31vYeddvQw95f9gggcqb2cMRJcMIDme U8XA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version; bh=ZfM3GovPXzN4SKlLoN9sS3h6HAqKDeCW7nRc1sCilh8=; b=akgh0s3gPt+ELiBJ7nRcNDUwhdwoRV5rGfjhwbm0PdrmekxDrVX9If61XOmlJ8fnTc 22oV6RunVumO8kegkoO1C/JP7U7GJzc53xLxYIAvGZN2CTDNrkBhbNv7z3b4Fm+O2zTK mUZu1mC606L6qlYZuApH8uGUKI6PHUtTesFJfKU2+KDZSuDPj4GREQU9EhTm0BD4U7qn h9Mz96EsDAqxsH8x6oXs9jEUd78qFRuldK0SUWTQOC/mY2c8r/ZZLq4X3UYfKRiZ1p+t se/kCWgqSFEjB91oaVkdIx3keLbyqTeADPcsgCjQu+T7UUEi9diyh4qZudy5Ibgg/7WP yQRg== X-Gm-Message-State: APjAAAVvnPKPntYhmQpmCKL586xHa3aMNZrWjlF1ukBy+v0F0zAjcT+u HVDnuOVtK466p5WS/3tbVxYqiw== X-Google-Smtp-Source: APXvYqzHd7/v31vJYF6fqLZilk5NEJtU4jsvxvMsbZLpASuasxWvkHojZ7vYtZ5TtWmMa+5eTc4TPg== X-Received: by 2002:a7b:cb59:: with SMTP id v25mr14908984wmj.159.1575038463923; Fri, 29 Nov 2019 06:41:03 -0800 (PST) Received: from angus.unipv.it (angus.unipv.it. [193.206.67.163]) by smtp.gmail.com with ESMTPSA id n188sm9216845wme.14.2019.11.29.06.41.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Nov 2019 06:41:02 -0800 (PST) Message-ID: <320b315b9c87543d4fb919ecbdf841596c8fbcea.camel@unipv.it> Subject: Re: AW: Slow I/O on USB media after commit f664a3cc17b7d0a2bc3b3ab96181e1029b0ec0e6 From: Andrea Vai To: Ming Lei Cc: "Schmid, Carsten" , Finn Thain , Damien Le Moal , Alan Stern , Jens Axboe , Johannes Thumshirn , USB list , SCSI development list , Himanshu Madhani , Hannes Reinecke , Omar Sandoval , "Martin K. Petersen" , Greg KH , Hans Holmberg , Kernel development list Date: Fri, 29 Nov 2019 15:41:01 +0100 In-Reply-To: <20191129023555.GA8620@ming.t460p> References: <20191125151535.GA8044@ming.t460p> <0876e232feace900735ac90d27136288b54dafe1.camel@unipv.it> <20191126023253.GA24501@ming.t460p> <0598fe2754bf0717d81f7e72d3e9b3230c608cc6.camel@unipv.it> <20191128091712.GD15549@ming.t460p> <20191129005734.GB1829@ming.t460p> <20191129023555.GA8620@ming.t460p> Content-Type: multipart/mixed; boundary="=-HIAul2oAsNr1EC1inCjc" User-Agent: Evolution 3.32.5 (3.32.5-1.fc30) MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-HIAul2oAsNr1EC1inCjc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Il giorno ven, 29/11/2019 alle 10.35 +0800, Ming Lei ha scritto: > On Fri, Nov 29, 2019 at 08:57:34AM +0800, Ming Lei wrote: > > > [...] > > > Andrea, can you collect the following log when running the test > > on current new(bad) kernel? > > > > /usr/share/bcc/tools/stackcount -K blk_mq_make_request > > Instead, please run the following trace, given insert may be > called from other paths, such as flush plug: > > /usr/share/bcc/tools/stackcount -K t:block:block_rq_insert Attached, for new (patched) bad kernel. Produced by: start the trace script (with the pendrive already plugged), wait some seconds, run the test (1 trial, 1 GB), wait for the test to finish, stop the trace. The copy took ~1700 seconds. Thanks, Andrea --=-HIAul2oAsNr1EC1inCjc Content-Type: application/zip; name="log_ming_20191129_150609.zip" Content-Disposition: attachment; filename="log_ming_20191129_150609.zip" Content-Transfer-Encoding: base64 UEsDBBQACAAIAFN8fU8AAAAAAAAAALHjAAAcACAAbG9nX21pbmdfMjAxOTExMjlfMTUwNjA5LnR4 dFVUDQAHfizhXbAs4V1+LOFddXgLAAEEAAAAAAQAAAAA7R27cuM4Mp+vUG2y0alGssaevexqLrhg s73kIhREQDLXJEEDoGXt11/jRYLUYz2WbAIUEpfR3QRF9LvRBP/LcZZX29litmmqTOasErMN47Nf 5D/XBcuezF/En1FeCcrlL/P5fPafXM5+SF7848dMshmtyPzLl9ls/eu6eELlMxLZIyWI0+eGCmmv o+TXt5IQYgEOL45ceo5iUzTiEdVFs0VFLmSHO4rImZmyKSiqOa0xpwcIO0Uu0Q7Dn5wZADJDViFA GRBrYLyB6St6iCQMbSnMwXNJEc4yKuwP/3NNluhP1vAKFydIEKKvcvU3RJqkXKMS8ydEcvEkapxR 1Ai3to6gojukOetfCH/gyvoQcRSo717jLRXtww1ByEDWGCRIgJTBCucVI3Y5PdzawI9cZuBot7bX rDtcB2H8aVOZYc2ZWg5Ydqrhlgj+oxzJR06xXYknf8BhNTeclWhjL5nNFiOLdEdAX2nWAKP5s1se kYncgQ1McATrn7NMFi0AWP9E7TwZUU+nhKakJMeIvtBKdpfy/IUiIbFshE/Palq1RMYQdCAEkCdC X9SsrQQQmJbvPaoay0c9xB3RJi9qjwQgYi8OABkuCnS/shKnp/3jf3/8+NfvvwMU4Y0Ehj7uNhyX NEqOKYhUN26qXM2Byd5iCILZYa01k5x2gTKfBBcU8x7YENprcLWl7czn+HcIOT1G6z1SvDXwkjUV gABnxgXd4myv6SSn9u4vGzGAAKP1lVYjlRR4Y4RegdEDYKSycYmD0oi8yi3GALe0ojzP3maFQeGo suEbgiU2XoN7UrGvMk0CCytp2Z9fPDaSsF2FRFNTbhmVw+obc+BBCcUQP7xgmFyhYAk8pBLRqqlR 6fgoMcimMsuIN5XzKqAHkilvxUuw+jANq6Pmeo+gxE+0j3BrfIgRzbqExVi7QMONH8ERZl7IYHip 11nz40g00dREsQRcbMG2SOK8cFKhySy6j9MYxzI30QCtrgC2aEtTs9zxtXdv8NySs70XNNQQHnli kaQsBb/TDX7Pm109D6cgsoJq0vYyUJIbEt+rhU38SHxk4thDeBvPflSkleLloL2jthHOnNCylvvk vkYXgzcmuknLJ8zec+Y9lSlCN7vAUpVMkpzLPVo3m40zbdp6ZqxUF3gWLxnVCJl8aebZI7IyISEw FljvP1hOWwKytONoyrXXX3CbKWBiRR9SKpVWVEzlWOdIPNyGU3o86eElysnrEEhLpmytyqA8lASV ybD0QYKCPZZW2Som882+5yNBgfpX3aSpTTX8ODh29TqtrVworumtLOWhepi8XfqW0NlGb6/M6LDy fp5rS1X3q+qf1jyYAR7DeSZckXnGKiFrzur5Vy9GFVYNm9LYSlzMa8ylo0m6F4DuaX/Yq8jByqgx yjDcX/tL/NhGFawiVHF8CHe+W9XojI+F0Mc5PLozIW8XnCiF87aZFWtqNXasuEHuvL3KzJ/RMxOo C2x2a+mNELIEEA0yKdva9OVhl7HF8HM03IMBhQ12leRYw6uFyE4xBKvQTEmRu4POglLjxCQicdBZ bvcODMDfkTibDO3yOrnyEZ3DB6XBU0tjL1nmviXX+3/eetjSjEFi+Gk+LuMQSrVVWwmBFJicXCDI I4mbUK93u+Ca6GeN6ps25Cor886Td2OY0wyxXA41bEAXo4p9quE0vtVULLDMHt16WusI/lMvmUdc MPbU1I7OjJAo2M7eYQjYYXgS0MsaPJozfjqaNpRYznPBsQvYlWgoDvZuowRAZdSvXvyomA1RX6Hg id0n2A3/W2hn7ZCJnYGXsDrahx3IQ6o8xcBcZPV2u+kVGFNEE1e62zpD3BSyz8ghXM/UGxvHjMrS Bx8FErOtgsDl8wFc/zYP1B9PkENXbNp0WNsGBf6yy5LTDlrwFvQd26Tg7lR8M4AmsxsQX68c5aZ4 JcUr4bAoxStTjld+ohHcTK/VAG8PYAH1Q5SqOg7XanE6At9y1tR9+JYxcgzO6bYpMEhFAXfEkvE+ OnWUT8VSvV0PkA6VD7Z/7EVtnYOhfiNO4nMQfA5qy9DtvekB5APi6gKVthOnJmRXqiEMCggHZqZ9 ObS9y0aBhuGtB0zGZAr9B2FvlS0nnK4eFBFs/uqlQnEmsGMzLZL3ZI2OKuiJVu6U1owT7sYsv6NH IvEGoDGzPVV1NLxgataGkP2gCAw4XYVfA4LhIkjjmDQncM0J0eEniU8SP8brSyM06emtHn0MzIUN eWMzryOYzPlxI7/RlDh6IUdvnH8Tf+fpeK+EjkFMEr5pgGFdfRF1vtpzxna33vPgqc3t7SJ+F7GI X6Or49RLl+F3e8TMuTB2ueON82Pm/eilwLC3lhJrg9qHjNdGrCIWpMirX4FvdyWZTjI9NZkO26nH LLe30Tv/LWIOpV3W+Pec4mhBuREtCdH/JulO0p1qoSe8933knJtY0SSitv+HYLZoP+11cG+DbU23 eeXhCD5EuJ9QUw6JeGkIHCN6Z1OaS7vDKVsjcYBpj630JlMpmTfUneDeOFL+hmoZJl4o+h4528M9 S7YbvlMjx2bNR1rct2a37zwpfxJHk/0WsWoGW2n5hB3R0dOzJDifKThBpg5JFMMILyDQyugZfABh xuLrjfMo4BAwat68xZQjmZeUOZOkKxygMvpFg4LqE6eHQaSytm2MaNugcyEaiv6inLVTGXN9Aq5i xIxVL+pBwdypSnKOi/yv3vdnUz+Bf7hH7Kc+TH9jdnEbTfjn95xQV8M7sfHkUZCb+9B1xAYo5nbP CF4xudX65+hy1SPQsMZ/pOs9aMytVZG3JATeEhix9sbeiTCxolSSpCv4geEryGLbJcHqzeOsJL2P z/ZGLiP2IcqMeQDgnKpVeBBdrPDGXd9A/7J3lTDGXthQVXRqDSKLmHuL+kFEiJ9Ei9i0xiwYk0/d koUJTZAuTmFSXSsi4xhz393kjWO8crUcu9xzNQ4e+6KvC6QMyn6Hi9OMcTIHKZTuHLIP+fTvKqns h6psEKcdxav5q8n13KS1e//aTeXF8PuYO2GCqvSmb9ic1v/7m29zCb9f8f42qgDhZUwBWpqIilcP MbdnfUZoMXqv+kPMeV0qlbzb6S9Gb269Ggs//lPXn3RWvAochMTy1YtalB2GGEOBL9LzxTL2XGLK bzzcTblweUYZe2qo157kfEhJXg80NDDFvdpHHharsbX0IwVBF6ZNJKRPNvcY3atZNzVRh6ALdazR Fkmctx06msyi+ziNcYeku4kGaHUFMCZTHxuoWe6Y3bs3eGPJmS9PEI/5B7FP4lz3xWrsDuBQw76U 710mV2M7siRXU5Sr5XLsc0GCLSRck0/qBpfzKm0Vm2VNtcqYCyTL38YukKSE+fRnML7GXFhONuZW 45i7rzH7xmjimIv5tBq9k/BW7cvEo4rVKmbHddQAnOowHPSrKqXvv2H5IX2q3+6T5qbIIHo78e0h ZjE+aic+Rt2/T26dPrHxbxl7NJqa7sc0Ug93Y3cldgRv+oQ5P/JF8oyohzqEA7GRhEPUiW+bX+94 8ruYd+ciiGGS3l94bEjUzUQRCGgKsj9HjqOu8ccsxxOXrOXiRo5tCE+y0sn05/bmv4/+stdPhuwK ItWNm0q/7Y6J7c0TZITI/O5hOfb63apeT0gLV3ffYm5nilmKUvx81SL1/d2XL/+mEvJg+Onz+fzL /wFQSwcIx5JzacoKAACx4wAAUEsBAhQDFAAIAAgAU3x9T8eSc2nKCgAAseMAABwAIAAAAAAAAAAA AKSBAAAAAGxvZ19taW5nXzIwMTkxMTI5XzE1MDYwOS50eHRVVA0AB34s4V2wLOFdfizhXXV4CwAB BAAAAAAEAAAAAFBLBQYAAAAAAQABAGoAAAA0CwAAAAA= --=-HIAul2oAsNr1EC1inCjc--