On 9/20/14, 12:31 PM, "Ben Pfaff" wrote:
>On Sat, Sep 20, 2014 at 07:23:30PM +, Daniele Di Proietto wrote:
>> * Most importantly, many implementation of thread local storage (e.g.
>> C11) do not allow cross-thread access (there?s a big comment in
>> lib/ovs-thread.h).
>
>That's what the s
On Sat, Sep 20, 2014 at 07:23:30PM +, Daniele Di Proietto wrote:
> * Most importantly, many implementation of thread local storage (e.g.
> C11) do not allow cross-thread access (there?s a big comment in
> lib/ovs-thread.h).
That's what the standard says but I think that it is basically nonse
Hi Ethan,
As you know I¹ve been working on similar problems for the userspace
datapath. Also, I¹m about to post a patch series to reduce the overhead of
counting (global, not per-flow) stats in dpif-netdev.c.
Here are some thoughts :
* I definitely think it¹s a good idea to use ovsthread_stats fo
I'm doing some performance testing which heavily stresses the OVS DPDK slow
path, and notice we spend a ridiculous amount of CPU time on the rule_dpif stats
mutex. For my test case, by commenting out the mutex I literally doubled the
performance. I'm in a bit of a rush, so as a short term hack, I
