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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 C3CF9C4360C for ; Fri, 27 Sep 2019 04:55:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A02C720872 for ; Fri, 27 Sep 2019 04:55:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728773AbfI0Ezg (ORCPT ); Fri, 27 Sep 2019 00:55:36 -0400 Received: from cmccmta3.chinamobile.com ([221.176.66.81]:2635 "EHLO cmccmta3.chinamobile.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726217AbfI0Ezg (ORCPT ); Fri, 27 Sep 2019 00:55:36 -0400 X-Greylist: delayed 10069 seconds by postgrey-1.27 at vger.kernel.org; Fri, 27 Sep 2019 00:55:34 EDT Received: from spf.mail.chinamobile.com (unknown[172.16.121.3]) by rmmx-syy-dmz-app12-12012 (RichMail) with SMTP id 2eec5d8d962fe12-3aa7a; Fri, 27 Sep 2019 12:55:13 +0800 (CST) X-RM-TRANSID: 2eec5d8d962fe12-3aa7a X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from localhost (unknown[223.105.0.241]) by rmsmtp-syy-appsvr02-12002 (RichMail) with SMTP id 2ee25d8d963016f-a2662; Fri, 27 Sep 2019 12:55:13 +0800 (CST) X-RM-TRANSID: 2ee25d8d963016f-a2662 From: Haishuang Yan To: Julian Anastasov , "David S. Miller" , Pablo Neira Ayuso Cc: netdev@vger.kernel.org, lvs-devel@vger.kernel.org, linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, Haishuang Yan Subject: [PATCH v2 0/2] ipvs: speedup ipvs netns dismantle Date: Fri, 27 Sep 2019 12:54:49 +0800 Message-Id: <1569560091-20553-1-git-send-email-yanhaishuang@cmss.chinamobile.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement exit_batch() method to dismantle more ipvs netns per round. Tested: $ cat add_del_unshare.sh #!/bin/bash for i in `seq 1 100` do (for j in `seq 1 40` ; do unshare -n ipvsadm -A -t 172.16.$i.$j:80 >/dev/null ; done) & done wait; grep net_namespace /proc/slabinfo Befor patch: $ time sh add_del_unshare.sh net_namespace 4020 4020 4736 6 8 : tunables 0 0 0 : slabdata 670 670 0 real 0m8.086s user 0m2.025s sys 0m36.956s After patch: $ time sh add_del_unshare.sh net_namespace 4020 4020 4736 6 8 : tunables 0 0 0 : slabdata 670 670 0 real 0m7.623s user 0m2.003s sys 0m32.935s Haishuang Yan (2): ipvs: batch __ip_vs_cleanup ipvs: batch __ip_vs_dev_cleanup include/net/ip_vs.h | 2 +- net/netfilter/ipvs/ip_vs_core.c | 47 ++++++++++++++++++++++++----------------- net/netfilter/ipvs/ip_vs_ctl.c | 12 ++++++++--- 3 files changed, 38 insertions(+), 23 deletions(-) -- 1.8.3.1