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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 6B0ECC3F2D1 for ; Wed, 4 Mar 2020 21:56:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4041020716 for ; Wed, 4 Mar 2020 21:56:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="suPeeE2L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388436AbgCDV4C (ORCPT ); Wed, 4 Mar 2020 16:56:02 -0500 Received: from mail-qt1-f194.google.com ([209.85.160.194]:35113 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729675AbgCDV4C (ORCPT ); Wed, 4 Mar 2020 16:56:02 -0500 Received: by mail-qt1-f194.google.com with SMTP id v15so2638827qto.2 for ; Wed, 04 Mar 2020 13:56:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zpLuUTKc4TP6nY//YUbfVoWA6bRSK6LgzEy43XpZZR0=; b=suPeeE2LjgE/zJ2srks9sANQUeQy4PLurUc1MFlsoT4Pd0Bz+ZtTuv00sX7k5mlFza 2HcXGg+W6V0zwuFVddGbErWpXCFb/Rg1uE0vM+sgt46aRWgVj54dU2ZAPlvhF5u1+dus nX/KA3U/xSetNY7HlrguNHCNByJlBTUn8Dfon3+0v6bfrjXk1D9Fm5RPDSB+7l8QDlyT tFSne6aMyZiYEzM/5rsUC/94w5Asn4OTSi8B5PsLh9Z8qs3tfzxBsyttmOXb8wXRRQ// U9V3q1ul7YEJ8ZooBQdyGHVGa1PMC59V+hJAjq6AHucOauOvuSPAJBFuAn2lM5PoMXKb HFfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=zpLuUTKc4TP6nY//YUbfVoWA6bRSK6LgzEy43XpZZR0=; b=CQWAqAXV0Iw10Ak5oN61g/20SYZYm5QOWAAhDo0o2pSAChYANOzxCp5wD3sdzTIWMt URYfmVWi+ONOW9SKKW8/RVtnWQLsaubP6/3T6QsUgXBt4Y+QNazMPeRXaJ75Xd11zEVz otIIQr+dSA+IzzNdRiKXJoWHmFDyJ6OuEoBs9apmZdJY3dDNzEF+uPqMPM0rE1yf0ffM mAxUevt+GW1MdYiN8yeEIbGLUT3L5ZVOMLBgYcgLyC/lxQREx20VCH1MF20l0/sZGvCC qjAwn9AqaMrMp9pgxYZUM6SzWrW8UFHAHfH9DQQGAjFrlUuYB9aE2g9aysobJug9ozve /neQ== X-Gm-Message-State: ANhLgQ2r+enm0NlXvkRmFx+a+ffVPt7lOchtk2jpmIgg07uS5Wnl18X4 VCkmM5aLG3ctC8sIG+yyvxDitB/G93w= X-Google-Smtp-Source: ADFU+vvg9Gr2gbLEEhSqUlr0o5TaI8oO/e3mRIJWvwiGeBQjNeOm5Ly8C1b7a8004Z1YXIhKz05tlw== X-Received: by 2002:ac8:377a:: with SMTP id p55mr4368574qtb.87.1583358960235; Wed, 04 Mar 2020 13:56:00 -0800 (PST) Received: from planxty.redhat.com (rdwyon0600w-lp130-03-64-231-46-127.dsl.bell.ca. [64.231.46.127]) by smtp.gmail.com with ESMTPSA id f5sm4899164qtq.72.2020.03.04.13.55.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 13:55:59 -0800 (PST) From: John Kacur To: rt-users Cc: Clark Williams , John Kacur Subject: [PATCH 3/4] rt-tests: cyclictest: Make the affinity mask apply to the main thread too Date: Wed, 4 Mar 2020 16:55:47 -0500 Message-Id: <20200304215548.13079-3-jkacur@redhat.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200304215548.13079-1-jkacur@redhat.com> References: <20200304215548.13079-1-jkacur@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org There is no reason that the main thread should be treated differently, so apply the affinity setting there too. Signed-off-by: John Kacur --- src/cyclictest/cyclictest.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c index 13d2b1722890..f8df4c6954ad 100644 --- a/src/cyclictest/cyclictest.c +++ b/src/cyclictest/cyclictest.c @@ -1992,6 +1992,17 @@ int main(int argc, char **argv) if (verbose) printf("Max CPUs = %d\n", max_cpus); + /* Restrict the main pid to the affinity specified by the user */ + if (affinity_mask != NULL) { + int res; + + errno = 0; + res = numa_sched_setaffinity(getpid(), affinity_mask); + if (res != 0) { + warn("Couldn't setaffinity in main thread: %s\n", strerror(errno)); + } + } + if (trigger) { int retval; retval = trigger_init(); -- 2.20.1