From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 31A20A00E6 for ; Wed, 12 Jun 2019 15:32:33 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id ADAAD1D03B; Wed, 12 Jun 2019 15:32:32 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 0D3051D03B; Wed, 12 Jun 2019 15:32:30 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Jun 2019 06:32:29 -0700 X-ExtLoop1: 1 Received: from silpixa00399499.ir.intel.com (HELO silpixa00399499.ger.corp.intel.com) ([10.237.222.58]) by fmsmga008.fm.intel.com with ESMTP; 12 Jun 2019 06:32:28 -0700 From: Herakliusz Lipiec To: Cc: dev@dpdk.org, Herakliusz Lipiec , anatoly.burakov@intel.com, stable@dpdk.org Date: Wed, 12 Jun 2019 14:33:23 +0100 Message-Id: <20190612133323.43530-1-herakliusz.lipiec@intel.com> X-Mailer: git-send-email 2.17.2 Subject: [dpdk-stable] [PATCH] app/test: fix autotest_runner crash X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On some systems when dpdk test is executed with make test command autotest_runner crashes in first_cpu_on_node. This happens when list of available cpus contains something that is not a cpu as first element. Fixed by removing all non-cpu values from list of available cpus. Bugzilla ID: 253 Fixes: 22dcd9a4d90f ("test: parallelize unit tests") Cc: anatoly.burakov@intel.com Cc: stable@dpdk.org Signed-off-by: Herakliusz Lipiec --- app/test/autotest_runner.py | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/app/test/autotest_runner.py b/app/test/autotest_runner.py index b72716e1e..7aece8905 100644 --- a/app/test/autotest_runner.py +++ b/app/test/autotest_runner.py @@ -43,11 +43,10 @@ def get_numa_nodes(): # find first (or any, really) CPU on a particular node, will be used to spread # processes around NUMA nodes to avoid exhausting memory on particular node def first_cpu_on_node(node_nr): - cpu_path = glob.glob("/sys/devices/system/node/node%d/cpu*" % node_nr)[0] - cpu_name = os.path.basename(cpu_path) - m = re.match(r"cpu(\d+)", cpu_name) - return int(m.group(1)) - + cpu_path = glob.glob("/sys/devices/system/node/node%d/cpu*" % node_nr) + r = re.compile(r"cpu(\d+)") + cpu_name = filter(None ,map(r.match, map(os.path.basename, cpu_path))) + return int(next(iter(cpu_name)).group(1)) pool_child = None # per-process child -- 2.17.2