Messages in this thread | | | Date | Mon, 7 Jan 2008 20:47:01 -0500 | From | Benjamin LaHaise <> | Subject | Re: regression: sysctl_check changes in 2.6.24 are O(n) resulting in slow creation of 10000 network interfaces |
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On Mon, Jan 07, 2008 at 03:25:00AM -0700, Eric W. Biederman wrote: > I think someone failed to notice that using /proc/sys slowed to a crawl > in that event, and now that I am doing a lookup on register it seems to > showing up in the benchmarks.
The directory that is problematic rarely gets accessed. Fixing sysfs properly at some point would be a good idea, it's just one of those things that isn't quite high priority yet.
> Benjamin can you test the patch below and tell me if it also > keeps the network device performance at acceptable levels.
I can confirm that this patch does indeed put the regression at bay for now.
-ben
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