From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f47.google.com (mail-oi0-f47.google.com [209.85.218.47]) by kanga.kvack.org (Postfix) with ESMTP id B3ACD6B0254 for ; Mon, 31 Aug 2015 03:50:35 -0400 (EDT) Received: by oigk185 with SMTP id k185so54209622oig.2 for ; Mon, 31 Aug 2015 00:50:35 -0700 (PDT) Received: from lhrrgout.huawei.com (lhrrgout.huawei.com. [194.213.3.17]) by mx.google.com with ESMTPS id m7si9160305obv.25.2015.08.31.00.50.34 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 31 Aug 2015 00:50:35 -0700 (PDT) Message-ID: <55E40356.3050800@huawei.com> Date: Mon, 31 Aug 2015 15:33:42 +0800 From: zhong jiang MIME-Version: 1.0 Subject: is it a problem when cat /proc/pid/status Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: qiuxishi@huawei.com, guohanjun@huawei.com I want to know whether the NUMA bound memory node with CONFIG_CGROUPS related or associted with NUMA binding. I wrote an example test,the results are as follows. > euler-linux:/home/zhongjiang # numactl --membind=1 ./new & > [1] 6529 > euler-linux:/home/zhongjiang # ps -ef | grep new > root 6529 4483 0 14:40 pts/1 00:00:00 ./new > root 6556 4483 0 14:40 pts/1 00:00:00 grep new > euler-linux:/home/zhongjiang # cat /proc/6529/status > Name: new > State: S (sleeping) ........ > Cpus_allowed: ffffff > Cpus_allowed_list: 0-23 > Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,007fffff > Mems_allowed_list: 0-22 > voluntary_ctxt_switches: 19 > nonvoluntary_ctxt_switches: 0 euler-linux:/home/zhongjiang # numactl --membind=3 ./new & [1] 9113 euler-linux:/home/zhongjiang # ps -ef | grep mew root 9140 8948 0 14:55 pts/1 00:00:00 grep mew euler-linux:/home/zhongjiang # ps -ef | grep new root 9113 8948 0 14:55 pts/1 00:00:00 ./new root 9209 8948 0 14:55 pts/1 00:00:00 grep new euler-linux:/home/zhongjiang # cat /proc/9113/status Name: new State: S (sleeping) Tgid: 9113 Ngid: 0 Pid: 9113 PPid: 8948 ...... Cpus_allowed: ffffff Cpus_allowed_list: 0-23 Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,007fffff Mems_allowed_list: 0-22 voluntary_ctxt_switches: 26 nonvoluntary_ctxt_switches: 0 Through the comparison of the above, I can find Whatever I use node for binding, the mems_allowed fields has been no change -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org