Re: [ovs-dev] [PATCH v4] datapath: NUMA node flow stats.

2014-02-06 Thread Pravin Shelar
On Tue, Feb 4, 2014 at 11:03 AM, Jarno Rajahalme wrote: > Keep kernel flow stats for each NUMA node rather than each (logical) > CPU. This avoids using the per-CPU allocator and removes most of the > kernel-side OVS locking overhead otherwise on the top of perf report > and allows OVS to scale be

[ovs-dev] [PATCH v4] datapath: NUMA node flow stats.

2014-02-04 Thread Jarno Rajahalme
Keep kernel flow stats for each NUMA node rather than each (logical) CPU. This avoids using the per-CPU allocator and removes most of the kernel-side OVS locking overhead otherwise on the top of perf report and allows OVS to scale better with higher number of threads. With 9 handlers and 4 revali