{"id":807624,"url":"http://patchwork.ozlabs.org/api/patches/807624/?format=json","web_url":"http://patchwork.ozlabs.org/project/glibc/patch/20170830124448.87C7741BE92E8@oldenburg.str.redhat.com/","project":{"id":41,"url":"http://patchwork.ozlabs.org/api/projects/41/?format=json","name":"GNU C Library","link_name":"glibc","list_id":"libc-alpha.sourceware.org","list_email":"libc-alpha@sourceware.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170830124448.87C7741BE92E8@oldenburg.str.redhat.com>","list_archive_url":null,"date":"2017-08-30T12:44:48","name":"Do not scale NPTL tests with available number of CPUs","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"88badc3aa38f83de36d35922c1214a6dd0b3667e","submitter":{"id":14312,"url":"http://patchwork.ozlabs.org/api/people/14312/?format=json","name":"Florian Weimer","email":"fweimer@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/20170830124448.87C7741BE92E8@oldenburg.str.redhat.com/mbox/","series":[{"id":608,"url":"http://patchwork.ozlabs.org/api/series/608/?format=json","web_url":"http://patchwork.ozlabs.org/project/glibc/list/?series=608","date":"2017-08-30T12:44:48","name":"Do not scale NPTL tests with available number of CPUs","version":1,"mbox":"http://patchwork.ozlabs.org/series/608/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/807624/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/807624/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list libc-alpha@sourceware.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-83861-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"uV5C+mUn\"; dkim-atps=neutral","sourceware.org; auth=none","ext-mx05.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx05.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=fweimer@redhat.com"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xj4wC1fNdz9sNn\n\tfor ;\n\tWed, 30 Aug 2017 22:44:59 +1000 (AEST)","(qmail 7599 invoked by alias); 30 Aug 2017 12:44:53 -0000","(qmail 6034 invoked by uid 89); 30 Aug 2017 12:44:52 -0000"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:date:to:subject:mime-version:content-type\n\t:content-transfer-encoding:message-id:from; q=dns; s=default; b=\n\tcgqGLfm4jWr1rcyXSV0pwS8x50RJ8+tvvNTGKexrQMCsdPAO1ct7aOxxdP/TGVs+\n\tGjb/fSp9flUh31TqxuoJnxSkeAoJPW0Ey/0CQdHs9N+I+QmhUNdsKEO/9W9gmoKY\n\tzV0Ftnf51U+MGVYZY0+YBneSUxdnallQnsf5vOnO1J8=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:date:to:subject:mime-version:content-type\n\t:content-transfer-encoding:message-id:from; s=default; bh=R40XUK\n\tL0aYTxqjaTx9yBjw5vfnc=; b=uV5C+mUn8JSIuPNT9NyLFyJdT7oxpoMs+FdLTe\n\teBs791Dr+FKYGWf8XK26YBrQdGhxlao+FnMTgUQ+xNRjofII0Tci3UfgtiNXJdIU\n\tHOfV91lbRH2dxY9yta770QoLt970ANy4jsk936HVtc9EVjbghGKoaaMlFPewZW6n\n\tJdi0A=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","Sender":"libc-alpha-owner@sourceware.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-25.9 required=5.0 tests=BAYES_00, GIT_PATCH_0,\n\tGIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3,\n\tKAM_LAZY_DOMAIN_SECURITY, RP_MATCHES_RCVD,\n\tSPF_HELO_PASS autolearn=ham version=3.3.2 spammy=8211","X-HELO":"mx1.redhat.com","DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 9844A130C","Date":"Wed, 30 Aug 2017 14:44:48 +0200","To":"libc-alpha@sourceware.org","Subject":"[PATCH] Do not scale NPTL tests with available number of CPUs","User-Agent":"Heirloom mailx 12.5 7/5/10","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Transfer-Encoding":"7bit","Message-Id":"<20170830124448.87C7741BE92E8@oldenburg.str.redhat.com>","From":"fweimer@redhat.com (Florian Weimer)"},"content":"On very large multi-processor systems, creating hundreds of threads\nruns into a test time out. The tests do not seem to benefit from\nmassive over-scheduling.\n\n2017-08-30 Florian Weimer \n\n\tDo not scale NPTL tests with available number of CPUs.\n\t* nptl/tst-cond16.c (count): Sett to constant value of 8.\n\t* nptl/tst-cond18.c (count): Likewise.","diff":"diff --git a/nptl/tst-cond16.c b/nptl/tst-cond16.c\nindex 032677adcc..b3bfb90bd4 100644\n--- a/nptl/tst-cond16.c\n+++ b/nptl/tst-cond16.c\n@@ -28,7 +28,7 @@ pthread_cond_t cv = PTHREAD_COND_INITIALIZER;\n pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;\n bool n, exiting;\n FILE *f;\n-int count;\n+enum { count = 8 };\t\t/* Number of worker threads. */\n \n void *\n tf (void *dummy)\n@@ -71,11 +71,6 @@ do_test (void)\n return 1;\n }\n \n- count = sysconf (_SC_NPROCESSORS_ONLN);\n- if (count <= 0)\n- count = 1;\n- count *= 4;\n-\n pthread_t th[count];\n pthread_attr_t attr;\n int i, ret, sz;\ndiff --git a/nptl/tst-cond18.c b/nptl/tst-cond18.c\nindex 187f3af1df..6276110ec2 100644\n--- a/nptl/tst-cond18.c\n+++ b/nptl/tst-cond18.c\n@@ -28,7 +28,8 @@\n pthread_cond_t cv = PTHREAD_COND_INITIALIZER;\n pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;\n bool exiting;\n-int fd, count, spins, nn;\n+int fd, spins, nn;\n+enum { count = 8 };\t\t/* Number of worker threads. */\n \n void *\n tf (void *id)\n@@ -82,11 +83,6 @@ do_test (void)\n return 1;\n }\n \n- count = sysconf (_SC_NPROCESSORS_ONLN);\n- if (count <= 0)\n- count = 1;\n- count *= 8;\n-\n pthread_t th[count + 1];\n pthread_attr_t attr;\n int i, ret, sz;\n","prefixes":[]}