From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] net: less interrupt masking in NAPI Date: Wed, 03 Dec 2014 03:52:26 -0800 Message-ID: <1417607546.5303.133.camel@edumazet-glaptop2.roam.corp.google.com> References: <1414937973.31792.37.camel@edumazet-glaptop2.roam.corp.google.com> <20141103.122538.387451917276174830.davem@davemloft.net> <547EBC66.4040301@huawei.com> <1417592482.5303.132.camel@edumazet-glaptop2.roam.corp.google.com> <547ED728.2010703@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: David Miller , netdev@vger.kernel.org, willemb@google.com To: Yang Yingliang Return-path: Received: from mail-ie0-f172.google.com ([209.85.223.172]:49356 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752881AbaLCLw3 (ORCPT ); Wed, 3 Dec 2014 06:52:29 -0500 Received: by mail-ie0-f172.google.com with SMTP id tr6so13516841ieb.31 for ; Wed, 03 Dec 2014 03:52:28 -0800 (PST) In-Reply-To: <547ED728.2010703@huawei.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2014-12-03 at 17:26 +0800, Yang Yingliang wrote: > Before this patch, when a large network flow arrives, some other processes > response slowly or even don't response because the cpu is dealing with softirq. > > After this patch, under pressure, much more softirq is doing in ksoftirqd. The other > processes be scheduled. > > My system has dual core. Which NIC driver are you using ? Thanks