Re: [PATCH] iptables: lock free counters

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Mar 02, 2009 at 11:07:18PM +0100, Patrick McHardy wrote:
> Stephen Hemminger wrote:
>> On Mon, 02 Mar 2009 22:56:39 +0100
>> Patrick McHardy <kaber@xxxxxxxxx> wrote:
>>> Eric Dumazet wrote:
>>>> Patrick McHardy a écrit :
>>>>> Eric Dumazet wrote:
>>>>>> real    0m1.810s
>>>>>> user    0m0.000s
>>>>>> sys     0m0.001s
>>>>> Thats really slow ...
>>>>>
>>>>>> CONFIG_NO_HZ=y
>>>>>> CONFIG_HZ_1000=y
>>>>>> CONFIG_HZ=1000
>>>>>>
>>>>>> One cpu is 100% handling softirqs, could it be the problem ?
>>>>> Is this fixed by your RCU quiescent state fix?
>>>> Yes it is :)
>>> Great, thanks :)
>> I wonder if the RCU quiescent fix should go in 2.6.29 because it
>> fixes other issues like route changing RCU latency under Dos attack.
>
> From what I can tell, it should.

I agree.

							Thanx, Paul
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Netfitler Users]     [LARTC]     [Bugtraq]     [Yosemite Forum]

  Powered by Linux