Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others)

Steven Noonan
2008-09-20T15:21:22Z

On Fri, Sep 19, 2008 at 8:29 PM, Steven Noonan <steven@uplinklabs.net> wrote:
> And here's the change as I unload and reload ath9k:
>
> [...]
> 20:21:38 sum 20138.83
> 20:21:40 sum 21576.09
> 20:21:41 sum 17678.38
> 20:21:42 sum 19834.34
> 20:21:43 sum 19845.10
> 20:21:44 sum 19470.00
> 20:21:45 sum 9273.00 <--- ath9k unloaded/reloaded
> 20:21:46 sum 187.00
> 20:21:47 sum 1066.00
> 20:21:48 sum 610.00
> 20:21:49 sum 106.93
> 20:21:50 sum 670.00
> 20:21:51 sum 742.00
> 20:21:52 sum 781.00
> Average: sum 19562.56
>

I think it might help if you can see the .sar file yourself. I've
uploaded a gzipped copy (great compression ratio in this case for
merely using gzip!).

http://www.uplinklabs.net/~tycho/linux/irqlog-storm.sar.gz

- Steven