Re: [PATCH v6 0/7] Reduce cache miss for snmp_fold_field

2016-09-30 Thread David Miller
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

Re: [PATCH v6 0/7] Reduce cache miss for snmp_fold_field

2016-09-30 Thread David Miller
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

[PATCH v6 0/7] Reduce cache miss for snmp_fold_field

2016-09-29 Thread Jia He
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. test source code: My simple test

[PATCH v6 0/7] Reduce cache miss for snmp_fold_field

2016-09-29 Thread Jia He
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. test source code: My simple test