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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CE87C7EE22 for ; Mon, 15 May 2023 12:58:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240863AbjEOM6G (ORCPT ); Mon, 15 May 2023 08:58:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242085AbjEOM5v (ORCPT ); Mon, 15 May 2023 08:57:51 -0400 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F060D19BC; Mon, 15 May 2023 05:57:39 -0700 (PDT) Received: by mail-ej1-x636.google.com with SMTP id a640c23a62f3a-965fc25f009so2060995366b.3; 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=EOQeLAWr0ZaVpl2SwARR1YhlYo6IQDvUxukKVt0wQ9icMoeyRZ/RgvufchZuwKkpAq MgyvjvbId/Stv+TXWpgW0SreYyaHnAZN1v/O1cdq8l/ZB1kLLuDmgHyUK1MySM+WtAH0 xDsY1zdN2RHpcooQlSwhMdNGTrPZqUsBh8g8HzNCcIz5MBsGcb+sJ1EH59+LVi984W+a wzbkdms4AetVpMnLZNFYfEE/JmHGws+eGIC5041gXKgaJcxCaFniAsETCmUz4Q28Mo75 wq6bkf9wzuxvafVwXsmqlKYSP88W3Z7xPR83zpqYDY7u/9kmFpdA3RJkbQgtFfwMSIDg vibQ== X-Gm-Message-State: AC+VfDw39RfbEpYrdNdu0Glzec6w93cTjbAxEtUr3RmRP8fcSpT5sWqZ VH9LaDsJKlFq3DLHy70u0iiKNPwrdxo= 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 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.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