Messages in this thread | | | Date | Fri, 20 Oct 2000 22:50:36 -0400 (EDT) | From | Mark Hahn <> | Subject | Re: question wrt context switching during disk i/o |
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> This is something that has been bugging me for a while. I notice > on my system that during disk write we do much context switching, > but not during disk read. Why is that?
bdflush is broken in current kernels. I posted to linux-mm about this, but Rik et al haven't shown any interest. I normally see bursts of up to around 40K cs/second when doing writes; I hacked a little premption counter into the kernel and verified that they're practially all bdflush...
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