Re: Schedule idle

Stefan Monnier (monnier+lists/linux/kernel/news/@tequila.cs.yale.edu)
10 Nov 1998 18:34:31 -0500

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>>>>> "Harald" == Harald Koenig <koenig@tat.physik.uni-tuebingen.de> writes:
> backround jobs like rc5 _shall_not_ steal 30% cpu time from real important
> computation batch jobs but should only run when the system really is _idle_
> otherwise. even nice-10 vs. nice-19 isnt' decoupled enough:

> PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
> 24819 root 17 10 184 184 132 R N 0 84.1 0.5 0:50 idle
> 24820 root 20 19 184 184 132 R N 0 8.8 0.5 0:05 idle

So they steal maybe 10% of a low-priority taks (nice-10), big deal !

Stefan

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