Messages in this thread | | | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.11-rc3-V0.7.38-01 | From | Lee Revell <> | Date | Sat, 19 Feb 2005 01:47:33 -0500 |
| |
On Sat, 2005-02-19 at 00:08 -0500, Lee Revell wrote: > On Fri, 2005-02-04 at 11:03 +0100, Ingo Molnar wrote: > > http://redhat.com/~mingo/realtime-preempt/ > > > > Testing on an all SCSI 1.3Ghz Athlon XP system, I am seeing very long > latencies in the journalling code with 2.6.11-rc4-RT-V0.7.39-02.
If I mount all filesystems with 'data=writeback', it works perfectly. I can run 'dbench 64', JACK with Hydrogen at 32 frames and have been unable to produce a single xrun. The maximum wakeup latency I have seen is 139us. With 'data=ordered', just launching a web browser can produce an xrun.
Lee
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |