From patchwork Tue Apr 11 13:42:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Valente X-Patchwork-Id: 97257 Delivered-To: patch@linaro.org Received: by 10.140.89.233 with SMTP id v96csp1815560qgd; Tue, 11 Apr 2017 06:44:22 -0700 (PDT) X-Received: by 10.84.230.129 with SMTP id e1mr75311652plk.66.1491918262153; Tue, 11 Apr 2017 06:44:22 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c74si13395449pfe.248.2017.04.11.06.44.21; Tue, 11 Apr 2017 06:44:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753088AbdDKNn6 (ORCPT + 23 others); Tue, 11 Apr 2017 09:43:58 -0400 Received: from mail-wr0-f173.google.com ([209.85.128.173]:33034 "EHLO mail-wr0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752195AbdDKNny (ORCPT ); Tue, 11 Apr 2017 09:43:54 -0400 Received: by mail-wr0-f173.google.com with SMTP id l28so39719134wre.0 for ; Tue, 11 Apr 2017 06:43:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DiNuQERim/J2/3jjSzoKdpH22hSqfwFMynv/NFcXqvI=; b=Kfq/BRls2goo73J+jL0rStUVMBlxlxjmykMNejPmCxp7LHZeDDjl8PuNJ/0V6vcq/u usnK1ZqqASLROQLqev1gfqy3w0dR7s3S7RFuZfGPTkUsgbSNwzBZ5A6f6H0thZH7zurY 7Gw7MoxiXKeYery1JmVuT1QfVMqzOPcWLK8p0= 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:mime-version :content-transfer-encoding; bh=DiNuQERim/J2/3jjSzoKdpH22hSqfwFMynv/NFcXqvI=; b=owZLy3h04VONj01zO2ArnGxKrvonGt/sboUrxfp+EpEGzSSEPQxe3p0RGzuNgUxiP1 EXJ67fRcGTXJIyKyTuujhNwUk1L2HY082WnW8+ZhwsbVvumqteLxWu8GXqYkGsJ1GA8R E9L6ZpCKnfOV7ucVseur7Cdw4mifB5ZS/FiDvWUi4RZ765ztclTmgv6H3TD5PtZs2dBg VizCUBW73A6xh/Hd50gOVFMeRTea87QtqmDWnFArMZGNQEOZSWkXe+x56afHHOVIKSCR y1r0Hrr5jwIhtT1TDBunojCuubdj+LGNBts+Pu+g9oBZfJCGVCb6jvrTf6HaaE3fYhEH EG6g== X-Gm-Message-State: AFeK/H3yq2G6mtbqucpDorD+ULAaAwT6DSuSZ9xx6etmQhasN3QKdzQ8rQHO9s9uFRB8siIg X-Received: by 10.223.142.23 with SMTP id n23mr27546131wrb.188.1491918233378; Tue, 11 Apr 2017 06:43:53 -0700 (PDT) Received: from localhost.localdomain ([185.14.8.188]) by smtp.gmail.com with ESMTPSA id v186sm2572933wmv.2.2017.04.11.06.43.51 (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 11 Apr 2017 06:43:52 -0700 (PDT) From: Paolo Valente To: Jens Axboe , Tejun Heo Cc: Fabio Checconi , Arianna Avanzini , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, linus.walleij@linaro.org, broonie@kernel.org, Paolo Valente Subject: [PATCH V3 00/16] Introduce the BFQ I/O scheduler Date: Tue, 11 Apr 2017 15:42:59 +0200 Message-Id: <20170411134315.44135-1-paolo.valente@linaro.org> X-Mailer: git-send-email 2.10.0 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, new patch series, addressing (both) issues raised by Bart [1]. Thanks, Paolo [1] https://lkml.org/lkml/2017/3/31/393 Arianna Avanzini (4): block, bfq: add full hierarchical scheduling and cgroups support block, bfq: add Early Queue Merge (EQM) block, bfq: reduce idling only in symmetric scenarios block, bfq: handle bursts of queue activations Paolo Valente (12): block, bfq: introduce the BFQ-v0 I/O scheduler as an extra scheduler block, bfq: improve throughput boosting block, bfq: modify the peak-rate estimator block, bfq: add more fairness with writes and slow processes block, bfq: improve responsiveness block, bfq: reduce I/O latency for soft real-time applications block, bfq: preserve a low latency also with NCQ-capable drives block, bfq: reduce latency during request-pool saturation block, bfq: boost the throughput on NCQ-capable flash-based devices block, bfq: boost the throughput with random I/O on NCQ-capable HDDs block, bfq: remove all get and put of I/O contexts block, bfq: split bfq-iosched.c into multiple source files Documentation/block/00-INDEX | 2 + Documentation/block/bfq-iosched.txt | 531 ++++ block/Kconfig.iosched | 21 + block/Makefile | 1 + block/bfq-cgroup.c | 1139 ++++++++ block/bfq-iosched.c | 5047 +++++++++++++++++++++++++++++++++++ block/bfq-iosched.h | 942 +++++++ block/bfq-wf2q.c | 1616 +++++++++++ include/linux/blkdev.h | 2 +- 9 files changed, 9300 insertions(+), 1 deletion(-) create mode 100644 Documentation/block/bfq-iosched.txt create mode 100644 block/bfq-cgroup.c create mode 100644 block/bfq-iosched.c create mode 100644 block/bfq-iosched.h create mode 100644 block/bfq-wf2q.c -- 2.10.0