Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Mike Galbraith
On Sat, 21 Oct 2000, Mark Hahn wrote: > > } > 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

Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Mark Hahn
> } > 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

Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Chris Evans
On Sat, 21 Oct 2000, Bill Wendling wrote: > } > 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

[patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Bill Wendling
Also sprach Mike Galbraith: } On Fri, 20 Oct 2000, Mark Hahn wrote: } } > > 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

[patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Bill Wendling
Also sprach Mike Galbraith: } On Fri, 20 Oct 2000, Mark Hahn wrote: } } 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

Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Chris Evans
On Sat, 21 Oct 2000, Bill Wendling wrote: } 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

Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Mark Hahn
} 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 }

Re: [patch(?)] question wrt context switching during disk i/o

2000-10-21 Thread Mike Galbraith
On Sat, 21 Oct 2000, Mark Hahn wrote: } 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