On Wed, 15 Oct 2003, Eirik Oeverby wrote:
Eirik Oeverby wrote:
Jeff Roberson wrote:
I fixed two bugs that were exposed due to more of the kernel running outside of Giant. ULE had some issues with priority propagation that stopped it from working very well.
Things should be much improved. Feedback, as always, is welcome. I'd like to look into making this the default scheduler for 5.2 if things start looking up. I hope that scares you all into using it more. :-)
Hi.. Just tested, so far it seems good. System CPU load is floored (near 0), system is very responsive, no mouse sluggishness or random mouse/keyboard input. Doing a make -j 20 buildworld now (on my 1ghz p3 thinkpad ;), and running some SQLServer stuff in VMWare. We'll see how it fares.
Hi, just a followup message. I'm now running the buildworld mentioned above, and the system is pretty much unusable. It exhibits the same symptoms as I have mentioned before, mouse jumpiness, bogus mouse input (movement, clicks), and the system is generally very jerky and unresponsive. This is particularily evident when doing things like webpage loading/browsing/rendering, but it's noticeable all the time, no matter what I am doing. As an example, the last sentence I wote without seeing a single character on screen before I was finsihed writing it, and it appeared with a lot more typos than I usually make ;)
I'm running *without* invariants and witness right now, i.e. a kernel 100% equal to the SCHED_4BSD kernel.
Can you confirm the revision of your sys/kern/sched_ule.c file? How does SCHED_4BSD respond in this same test?
Yes I can. From file:
__FBSDID("$FreeBSD: src/sys/kern/sched_ule.c,v 1.59 2003/10/15 07:47:06 jeff Exp $");
I am running SCHED_4BSD now, with a make -j 20 buildworld running, and I do not experience any of the problems. Keyboard and mouse input is smooth, and though apps run slightly slower due to the massive load on the system, there is none of the jerkiness I have seen before.
Anything else I can do to help?
/Eirik
Thanks, Jeff
Best regards, /Eirik
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