From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Maranzano Subject: Re: ipvs_syncmaster brings cpu to 100% Date: Fri, 30 Sep 2005 17:59:44 +0200 Message-ID: <68559cef0509300859s38cf42bn@mail.gmail.com> References: <68559cef05092207022f1f0df4@mail.gmail.com> <20050926032807.GI18357@verge.net.au> <20050926043400.GD5079@us.ibm.com> <20050926080508.GF11027@verge.net.au> <20050926081229.GA23755@verge.net.au> <20050926131104.GA7532@us.ibm.com> <68559cef05092606521cc13f9a@mail.gmail.com> <20050926142109.GD7532@us.ibm.com> <20050928022307.GK18765@verge.net.au> <20050928132639.GA5791@us.ibm.com> Reply-To: Luca Maranzano Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Cc: Dave Miller , Wensong Zhang , Julian Anastasov , netdev@oss.sgi.com, horms@verge.net.au Return-path: To: Nishanth Aravamudan In-Reply-To: <20050928132639.GA5791@us.ibm.com> Content-Disposition: inline Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org First of all thank you all for your precious support! :-) The two machines on which I discovered the problem are now in production and I cannot for the moment make tests, but I hope to have some other hardware to try in the next week. I'll let you know ASAP. Thanks, Luca > > Yes, the information in that thread is the same as what Luca said. It's > a load average problem, not a CPU utilisation problem (those threads are > sleeping!) If Luca could test the msleep_interruptible() version of the > patch and it works (like I said, performance should not change, but the > load average will drop to by 2), then I will ACK the patch for mainline > acceptance. > > Thanks, > Nish >