From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: [PATCHv4 iproute2 2/2] lib/libnetlink: update rtnl_talk to support malloc buff at run time Date: Wed, 11 Oct 2017 08:35:35 -0600 Message-ID: <7501028d-4433-3a08-3a11-4a8b7c0e1404@gmail.com> References: <1506605626-1744-1-git-send-email-haliu@redhat.com> <1506605626-1744-3-git-send-email-haliu@redhat.com> <20171002103708.0572704b@xeon-e3> <20171009202525.GR32278@orbyte.nwl.cc> <20171010064117.ipyarf5ml7fwnzdv@unicorn.suse.cz> <20171010094743.6ae2baa8@shemminger-XPS-13-9360> <20171011111007.GA11332@orbyte.nwl.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit To: Phil Sutter , Stephen Hemminger , Michal Kubecek , Hangbin Liu , netdev@vger.kernel.org, Hangbin Liu Return-path: Received: from mail-pf0-f182.google.com ([209.85.192.182]:52856 "EHLO mail-pf0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751744AbdJKOfc (ORCPT ); Wed, 11 Oct 2017 10:35:32 -0400 Received: by mail-pf0-f182.google.com with SMTP id e64so1193239pfk.9 for ; Wed, 11 Oct 2017 07:35:32 -0700 (PDT) In-Reply-To: <20171011111007.GA11332@orbyte.nwl.cc> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 10/11/17 5:10 AM, Phil Sutter wrote: > less than 10% overall. Given the short time a single call to 'ip' > typically takes, I don't think the difference is noticeable even in > highly performance critical applications. high performance critical applications should not be forking ip and definitely not for 1 command at a time.