From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B017043209; Thu, 26 Oct 2023 16:27:55 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9F0C4402CF; Thu, 26 Oct 2023 16:27:55 +0200 (CEST) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by mails.dpdk.org (Postfix) with ESMTP id F1089402B5 for <dev@dpdk.org>; Thu, 26 Oct 2023 16:27:53 +0200 (CEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 969965C011A; Thu, 26 Oct 2023 10:27:53 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Thu, 26 Oct 2023 10:27:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to; s=fm3; t= 1698330473; x=1698416873; bh=oygO13fl5ThgSTo03NVaCusWW+CgqbcUYfV A7TnnBGg=; b=NmAFLItLwUNp4mb/Kwqg9g9teJQFLcd/uzEcbdEr+Ac5NfXkXdG 1Jl54qY4DI8eOOYo2jp71IDnWTbibv4leLHCrDMCI0yAJLvuxzY5pfRLHTvFkznT KA/wXCCFMfkDnge1M0XVPCNcz2exZrpvSLwlDRLUn4vhXXngGwmkoXmmW3sS4L4d lG456DHg4C0tlTSbq4W52+d3ZdRRfRVPGlofQ9Xu6juNufQtwACccScYkqNWNSOj pppmdpe+fjx2coO0MTtpjcuEDRvpqxDMV4ZYiPZFeR5kchN9Xdd6q7fRYHL4wbO8 YtgUBQZeTmuClcExCUl8Z19pvC7a9YACWGg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1698330473; x=1698416873; bh=oygO13fl5ThgSTo03NVaCusWW+CgqbcUYfV A7TnnBGg=; b=cRxz1RfcTVRHxBRhBGEwXL3GXIBO+p4nyD4GvTO2MuScfFSvLC3 1DF4Z6D0FqR/zUxVDIc7QvrVE8Av+FE7lYlHn5KxP6GfXji+CSNq+wDun9xG52e+ uKctwo3YpWos2/kEf8tHI7Y6PBf3sq8qIkyKdVaG5v2CpEwyBtiRQZYgmCuV+aiK LBAlT/Cdj1/teyLflrvldFdf1mUBuT6mrfMGIAoRybPJQcKT3ZAZlneIGVN7a0l4 aNypBDlzQuRcMNcYNfqkcRpSEziXk6oXmR5JfBp53B5dS9+9Jh75osxDypZL073K HzRTtqPgLCPEBZrIAK/mQYhlgEPFjPurxBw== X-ME-Sender: <xms:aXc6Ze957s_yiIqzjIeSNB42xh4kK4SJMTpg6iYdYPyhwXSI8qT1hA> <xme:aXc6ZevAYLzMrYOPo-WApXzDiq_GZiYDk4ar3aN5WpwahlJCiat73F2T7WHfLzVMG rW39fLAj9ZxbMVK8A> X-ME-Received: <xmr:aXc6ZUCeibyK-Dt3-9HxVhuCqSTesCEKHEluXuHVjrwbc0VG3-eU2h2Mq33XfmSrF2Su4-wusla5PDf4eRKedFoyQd2H7sA> X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvkedrledvgdejjecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvfevufffkffojghfgggtgfesthekredtredtjeenucfhrhhomhepvfhhohhm rghsucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenuc ggtffrrghtthgvrhhnpedtieffffegfeetlefhkeeuteeuudffjefgleevtdeijedukefg veehteehheegjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfh hrohhmpehthhhomhgrshesmhhonhhjrghlohhnrdhnvght X-ME-Proxy: <xmx:aXc6ZWdNqZJttCNmS438PzGHKWbfg0rDFNDMPeXl5PQdlV6OjKp0UA> <xmx:aXc6ZTND2HYWqgMWupo-ksFL89KAOnV5_JhcKrBb5DkOPMXl7RFvKQ> <xmx:aXc6ZQkLX5RE2sVPiD4fBG9Ba0bzkR9gMDJ2xx6mSXBLj62v6Lt8yA> <xmx:aXc6ZVVDlI4figD2m6iz8t2PfMsBJYajjU3o2FV79y3J6IzV_b5NvA> Feedback-ID: i47234305:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 26 Oct 2023 10:27:52 -0400 (EDT) From: Thomas Monjalon <thomas@monjalon.net> To: dev@dpdk.org Cc: David Marchand <david.marchand@redhat.com> Subject: [PATCH v5 0/2] allow creating thread with real-time priority Date: Thu, 26 Oct 2023 16:19:35 +0200 Message-ID: <20231026142749.1174372-1-thomas@monjalon.net> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231024125416.798897-1-thomas@monjalon.net> References: <20231024125416.798897-1-thomas@monjalon.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Real-time thread priority was been forbidden on Unix because of problems they can cause. Warnings and helpers are added to avoid deadlocks, so real-time can be allowed on all systems. Thomas Monjalon (2): eal: add thread yield functions eal/unix: allow creating thread with real-time priority v1: no yield at all v2: more comments, sched_yield() and Sleep(0) on Windows v3: 2 yield functions with sleep in realtime version v4: runtime warning, longer sleep on Unix and lighter yield on Windows v5: fix build and increase Unix sleep to 1 ms Thomas Monjalon (2): eal: add thread yield functions eal/unix: allow creating thread with real-time priority app/test/test_threads.c | 11 +----- .../prog_guide/env_abstraction_layer.rst | 4 +- lib/eal/include/rte_thread.h | 33 +++++++++++++++- lib/eal/unix/rte_thread.c | 38 ++++++++++++++----- lib/eal/version.map | 4 ++ lib/eal/windows/rte_thread.c | 15 ++++++++ 6 files changed, 83 insertions(+), 22 deletions(-) -- 2.42.0