[Bro] Core affinity on AMD Opteron 6276
ralph.holz.tech at gmail.com
Thu Jan 12 19:33:30 PST 2017
Thanks for the links!
I used lstopo to get an idea of the hardware layout, but I wanted some
script that would figure out which cores share circuitry (because Opteron).
Reading through your thread, it seems my script does the right thing.
As for your setup - do you use an Opteron? And what is the clock rate of
On Thu, Jan 12, 2017 at 11:20 PM erik clark <philosnef at gmail.com> wrote:
> Ralph, you may want to look back at the archives. Michal and I think
> Justin had posted an extensive discussion on how to identify and pin cpus.
> The suggested lstopo is a very good way to enumerate your cores, as
> indicated in that thread. :)
> Also, regarding 32 workers, we are handling 6Gb/s traffic with af_packet
> with just 18 workers, minimum memory usage, but fairly high rate of cpu
> usage. Our drop rate is under .5% across all workers.
> Lastly, read the Bro bit here:
> We have found that this is indeed fairly accurate with regards to worker
> count and pps consumption by bro.
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