{"id":807086,"url":"http://patchwork.ozlabs.org/api/1.2/patches/807086/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/1504011934-17308-1-git-send-email-liujian56@huawei.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/1.2/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1504011934-17308-1-git-send-email-liujian56@huawei.com>","list_archive_url":null,"date":"2017-08-29T13:05:34","name":"net: frag: print frag_mem_limit value in sockstat proc file","commit_ref":null,"pull_url":null,"state":"rejected","archived":true,"hash":"7eb8e36980376028cda99e948b80d2638380ed89","submitter":{"id":71967,"url":"http://patchwork.ozlabs.org/api/1.2/people/71967/?format=json","name":"liujian \\(CE\\)","email":"liujian56@huawei.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/1.2/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/1504011934-17308-1-git-send-email-liujian56@huawei.com/mbox/","series":[{"id":364,"url":"http://patchwork.ozlabs.org/api/1.2/series/364/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=364","date":"2017-08-29T13:05:34","name":"net: frag: print frag_mem_limit value in sockstat proc file","version":1,"mbox":"http://patchwork.ozlabs.org/series/364/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/807086/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/807086/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xhTS73xZWz9s3T\n\tfor ;\n\tTue, 29 Aug 2017 23:07:03 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752507AbdH2NHA (ORCPT );\n\tTue, 29 Aug 2017 09:07:00 -0400","from szxga05-in.huawei.com ([45.249.212.191]:5038 \"EHLO\n\tszxga05-in.huawei.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751586AbdH2NG7 (ORCPT\n\t); Tue, 29 Aug 2017 09:06:59 -0400","from 172.30.72.60 (EHLO DGGEMS402-HUB.china.huawei.com)\n\t([172.30.72.60])\n\tby dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued)\n\twith ESMTP id DGF07654; Tue, 29 Aug 2017 21:06:52 +0800 (CST)","from localhost (10.177.97.126) by DGGEMS402-HUB.china.huawei.com\n\t(10.3.19.202) with Microsoft SMTP Server id 14.3.301.0;\n\tTue, 29 Aug 2017 21:06:43 +0800"],"From":"","To":"","CC":", ,\n\t, , ,\n\t","Subject":"[PATCH ] net: frag: print frag_mem_limit value in sockstat proc file","Date":"Tue, 29 Aug 2017 21:05:34 +0800","Message-ID":"<1504011934-17308-1-git-send-email-liujian56@huawei.com>","X-Mailer":"git-send-email 1.9.5.msysgit.1","MIME-Version":"1.0","Content-Type":"text/plain","X-Originating-IP":"[10.177.97.126]","X-CFilter-Loop":"Reflected","X-Mirapoint-Virus-RAPID-Raw":"score=unknown(0),\n\trefid=str=0001.0A0B0201.59A566EE.0039, ss=1, re=0.000, recu=0.000,\n\treip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0,\n\tso=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32","X-Mirapoint-Loop-Id":"c4f3662630e86135de139c0e1d23504d","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"From: liujian \n\nFrom 6d7b857d5( net: use lib/percpu_counter API for fragmentation mem\naccounting),\nfrag_mem_limit and sum_frag_mem_limit have different value if there are\nmultiple NIC RX CPU.\nPrint frag_mem_limit value, then we can get more debug info.\n\nSigned-off-by: liujian \n---\n net/ipv4/proc.c | 3 ++-\n net/ipv6/proc.c | 3 ++-\n 2 files changed, 4 insertions(+), 2 deletions(-)","diff":"diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c\nindex 43eb6567..370cda1 100644\n--- a/net/ipv4/proc.c\n+++ b/net/ipv4/proc.c\n@@ -73,7 +73,8 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)\n \tseq_printf(seq, \"RAW: inuse %d\\n\",\n \t\t sock_prot_inuse_get(net, &raw_prot));\n \tfrag_mem = ip_frag_mem(net);\n-\tseq_printf(seq, \"FRAG: inuse %u memory %u\\n\", !!frag_mem, frag_mem);\n+\tseq_printf(seq, \"FRAG: inuse %u memory %u current mem_limit %d\\n\",\n+\t\t!!frag_mem, frag_mem, frag_mem_limit(&net->ipv4.frags));\n \treturn 0;\n }\n \ndiff --git a/net/ipv6/proc.c b/net/ipv6/proc.c\nindex e88bcb8..00680bc 100644\n--- a/net/ipv6/proc.c\n+++ b/net/ipv6/proc.c\n@@ -48,7 +48,8 @@ static int sockstat6_seq_show(struct seq_file *seq, void *v)\n \t\t\tsock_prot_inuse_get(net, &udplitev6_prot));\n \tseq_printf(seq, \"RAW6: inuse %d\\n\",\n \t\t sock_prot_inuse_get(net, &rawv6_prot));\n-\tseq_printf(seq, \"FRAG6: inuse %u memory %u\\n\", !!frag_mem, frag_mem);\n+\tseq_printf(seq, \"FRAG6: inuse %u memory %u current mem_limit %d\\n\",\n+\t\t !!frag_mem, frag_mem, frag_mem_limit(&net->ipv6.frags));\n \treturn 0;\n }\n \n","prefixes":[]}