Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751649AbcCHTue (ORCPT ); Tue, 8 Mar 2016 14:50:34 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:43991 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751569AbcCHTsD (ORCPT ); Tue, 8 Mar 2016 14:48:03 -0500 Date: Tue, 08 Mar 2016 14:47:59 -0500 (EST) Message-Id: <20160308.144759.2020954787254128202.davem@davemloft.net> To: jbrouer@redhat.com Cc: netdev@vger.kernel.org, tom@herbertland.com, linux-kernel@vger.kernel.org Subject: Re: Tool for sampling /proc/net/softnet_stat statistics From: David Miller In-Reply-To: <20160307163607.1da5f17e@redhat.com> References: <20160307163607.1da5f17e@redhat.com> X-Mailer: Mew version 6.6 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 08 Mar 2016 11:48:01 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 607 Lines: 15 From: Jesper Dangaard Brouer Date: Mon, 7 Mar 2016 16:36:07 +0100 > I lack of better, I coded up my own tool softnet_stat.pl here: > https://github.com/netoptimizer/network-testing/blob/master/bin/softnet_stat.pl > > The output format/columns in /proc/net/softnet_stat is undocumented, > plus values are printed in hex. E.g. to decode the columns you need to > read kernel function kernel softnet_seq_show() in > kernel/net/core/net-procfs.c. > > To make things easier I wrote this small perl script for get > so human readable statistics from /proc/net/softnet_stat. Good stuff!