On Mon, 2005-04-04 at 23:10 -0700, Mingming Cao wrote: > On Tue, 2005-04-05 at 06:13 +0200, Ingo Molnar wrote: > > * Lee Revell <[EMAIL PROTECTED]> wrote: > > > > > I can trigger latencies up to ~1.1 ms with a CVS checkout. It looks > > > like inside ext3_try_to_allocate_with_rsv, we spend a long time in this > > > loop: > > > > > We have not modify the reservation create algorithm for a long time. > Sorry, I missed the background here, on which kernel did you see this > latency? And what tests you were running?
Makes sense, I have been seeing this one for a long time. I get it with dbench, or when doing a CVS checkout of a large module. Kernel is 2.6.12-rc1-RT-V0.7.43-05, with PREEMPT_DESKTOP which AFAIK should be equivalent to mainline. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
