Thread (91 messages) 91 messages, 8 authors, 2011-03-02

Re: SO_REUSEPORT - can it be done in kernel?

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2011-03-01 13:27:29

On Tue, Mar 01, 2011 at 07:01:12AM -0500, Thomas Graf wrote:
On Tue, Mar 01, 2011 at 12:45:09PM +0100, Eric Dumazet wrote:

This is how perf top looks like with SO_REUSEPORT

----------------------------------------------------------------------------------------------------------------------------------
   PerfTop:   27498 irqs/sec  kernel:50.5%  exact:  0.0% [1000Hz cpu-clock-msecs],  (all, CPU: 1)
----------------------------------------------------------------------------------------------------------------------------------

             samples  pcnt function                      DSO
             _______ _____ _____________________________ __________________

            16464.00  6.0% isc_rwlock_lock               libisc.so.62.0.1
            15462.00  5.7% intel_idle                    [kernel.kallsyms]
So was this a RHEL6 kernel? I wonder if that is what's making it
perform better.

I guess we'll find out tomorrow.

Cheers,
-- 
Email: Herbert Xu [off-list ref]
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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