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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 42BB2C7EE2C for ; Mon, 15 May 2023 12:58:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=c/WsGoeYdsta1UG6dgZw3dmI3fN5/OIDDolXmg/WRRc=; b=N2sVa9g+vTgJEaeGc+4keYDmbP LdFjGKBz34al0R8V2Fzc+Iegg9Y8CeIS8xAc0/nxcCCa0Ao7A+xbAGHCftaJTeiSkgVrI24bjAVs0 P4tn+0QBuYxwXlx87sSh+srxuYVURkaiZtiNcjaLd20QMEol2yiAmrMK6rP2SOJzQfxEPNJdQNNtP bXYmw5sJN7+tDMjcrmr9RgqSDEI+vVrJPCo4u0/4Z52IsXsiezJolZzsZdPCKaumxeHpMaYJrz1oZ QglgkyvHIwvhzYJbKIq+XvKz7F4TXLbaPl44SoQlv5yGLfo4bk7bsU+DXRBGF492hPudeJTZsZndo c33Cphxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pyXlr-002BiQ-01; Mon, 15 May 2023 12:57:47 +0000 Received: from mail-ej1-x634.google.com ([2a00:1450:4864:20::634]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pyXll-002Bgq-25 for linux-nvme@lists.infradead.org; Mon, 15 May 2023 12:57:42 +0000 Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-9659e9bbff5so2356576466b.1 for ; Mon, 15 May 2023 05:57:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684155458; x=1686747458; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=c/WsGoeYdsta1UG6dgZw3dmI3fN5/OIDDolXmg/WRRc=; b=YU4eezWDd4O8MqB2M3V8utHWot7vHfTtP2uaqLS8d8wnxLQAU21hnJqPw7DOSQXoGS Bj3ryWBSX23baVEAbWvm27PTEdtODNMMXOb+rcJSLg6VAR/dwZr9sceBWMvIKwu24wWi vjSBiayGlYXtaSTGriB2o7b7yKpvFA2C5Hphe9C4xvSU5fGJh+VXKxEZxHGzYs1cfiov 1dQyVezaNuVQhSLgzaUx2ZYWMZfQockOKQOtTRx0KTJ81RgkReS01eT+DBKUB1db8kH3 LTPe7fqBXTL//cvJ75olUmcU0Feiz6kwgYNWKwwPYod2J7NkycnD5vcePClf/qzck4Y0 u8DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684155458; x=1686747458; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=c/WsGoeYdsta1UG6dgZw3dmI3fN5/OIDDolXmg/WRRc=; b=mCKr6+w/SRWxTLy6yb4JNGFxLtP5nzYSX+XNtS1pghcVNzqkumOgYWB4+PiW9Vl3DZ +piEfH3WhXQfJHzIaPXhunoCwb7JqShuty/4JL+PDsJPi0GxPgGrLsbrgm2b/uRTqUgX T9Bgyg8/plguUlLXguOYT2JgXIDU4Jb64PTm/LyvRyWNRtjMBFQaVhPxm7kBhXS/o2l1 7oli0m++s+C6Lt5ywshq07SjMkbwOZATqIbDpCdQdJD/zyQGnpz5xg9r2oENSBb77UpV A2fVLdqo2EsFPdPIwKLuZOXWKfHjHPeNEIdPf9/DpSeV7W0+lyZRppxUmUpDN7v0OLqR 4V7w== X-Gm-Message-State: AC+VfDxoDhNIZIsRUP/Fg55Fljb29VbgH1WxMym9G2+p7O8d+rwbT/Mj Xwuva+gPG4e2dYp1d6kWbzj05hiFbYc= X-Google-Smtp-Source: ACHHUZ4TEnFDdtXxeZc6ughmF/ZD5RUK/PID1KZQLAzF4qZ5PJ3lyI+mF6zlYitrqJDanrOFDFYZdQ== X-Received: by 2002:a17:907:3f25:b0:969:edf8:f73b with SMTP id hq37-20020a1709073f2500b00969edf8f73bmr23011931ejc.60.1684155458207; Mon, 15 May 2023 05:57:38 -0700 (PDT) Received: from 127.com ([2620:10d:c092:600::2:6366]) by smtp.gmail.com with ESMTPSA id m13-20020a17090672cd00b0096ace7ae086sm4003685ejl.174.2023.05.15.05.57.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 May 2023 05:57:37 -0700 (PDT) From: Pavel Begunkov To: linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, io-uring@vger.kernel.org, axboe@kernel.dk Cc: kbusch@kernel.org, hch@lst.de, sagi@grimberg.me, joshi.k@samsung.com, Pavel Begunkov Subject: [PATCH for-next 0/2] Enable IOU_F_TWQ_LAZY_WAKE for passthrough Date: Mon, 15 May 2023 13:54:41 +0100 Message-Id: X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230515_055741_683555_FDC4098A X-CRM114-Status: UNSURE ( 8.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Let cmds to use IOU_F_TWQ_LAZY_WAKE and enable it for nvme passthrough. The result should be same as in test to the original IOU_F_TWQ_LAZY_WAKE [1] patchset, but for a quick test I took fio/t/io_uring with 4 threads each reading their own drive and all pinned to the same CPU to make it CPU bound and got +10% throughput improvement. [1] https://lore.kernel.org/all/cover.1680782016.git.asml.silence@gmail.com/ Pavel Begunkov (2): io_uring/cmd: add cmd lazy tw wake helper nvme: optimise io_uring passthrough completion drivers/nvme/host/ioctl.c | 4 ++-- include/linux/io_uring.h | 18 ++++++++++++++++-- io_uring/uring_cmd.c | 16 ++++++++++++---- 3 files changed, 30 insertions(+), 8 deletions(-) base-commit: 9a48d604672220545d209e9996c2a1edbb5637f6 -- 2.40.0