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
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
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
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
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