Re: ksoftirqd uses 99% CPU triggered by network traffic (maybeRLT-8139 related)

[Robert Olsson]

Pasi Sjoholm writes:

 > Yeah, when the ksoftirqd is taking all the cpu it will be like that, but 
 > when the kernel is behaving normally the starving diff is between 0->1sec.

 Well ksoftirqd makes your kernel load just visible which is good and 
 ksofirqd gets accounted for this when softirq's get deferred to it.
 It may look like goes from 0 to 100% but thats probably not the case.
 The problem is we can starve userland at high loads. As said we were
 trying some way to cure this I may have some old patch if you like to try.

 Cheers.
						--ro
 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/