On Sun, Jul 20, 2003 at 01:48:39PM +0800, Khairil Yusof wrote: > Trying out ULE scheduling on an SMP machine causes background processes > to be stuck in locks. > > One or two processes will always get stuck in *Giant (and takes up like > 60% of lock) and if these are killed, then other processes are always > taking up a total of around 10% in lock, which makes the system crawl. > > Anybody else seeing this on an SMP machine with ULE scheduler?
The process stats are not updated properly under ULE at the moment. If a process takes up 60% of CPU and then sleeps, top will continue to show it at 60% until the next time it runs. It does not in fact continue to use CPU. Kris
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