From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Date: Fri, 30 Sep 2016 06:14:02 +0000 Subject: Re: [PATCH v6 0/7] Reduce cache miss for snmp_fold_field Message-Id: <20160930.021402.267441690910051825.davem@davemloft.net> List-Id: References: <1475206144-23228-1-git-send-email-hejianet@gmail.com> In-Reply-To: <1475206144-23228-1-git-send-email-hejianet@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: hejianet@gmail.com Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org, linux-kernel@vger.kernel.org, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, vyasevich@gmail.com, nhorman@tuxdriver.com, steffen.klassert@secunet.com, herbert@gondor.apana.org.au, marcelo.leitner@gmail.com From: Jia He Date: Fri, 30 Sep 2016 11:28:57 +0800 > In a PowerPc server with large cpu number(160), besides commit > a3a773726c9f ("net: Optimize snmp stat aggregation by walking all > the percpu data at once"), I watched several other snmp_fold_field > callsites which would cause high cache miss rate. ... Series applied, thank you.