Kostik Belousov wrote: > On Mon, Aug 27, 2007 at 11:14:58PM +0100, Robert Watson wrote: > >> On Mon, 27 Aug 2007, Ganbold wrote: >> >> >>> I'm running FreeBSD 7.0-CURRENT with SCHED_ULE, INVARIANTS, WITNESS >>> enabled kernel. >>> >> Try the same thing again without INVARIANTS and WITNESS, both of which can >> consume a lot of CPU in kernel on a very active system, especially if lots >> of vnodes are being allocated and freed. Especially WITNESS. >> > > It does happens on the kernels without debug options, in particular, > WITNESS and INVARIANTS. > > It happens when a lot of short-lived processes are rapidly created. > Compilation is a good example of such workload; running configure script > is even better. > What would be a solution to this kind of problems? thanks, Ganbold -- That's the thing about people who think they hate computers. What they really hate is lousy programmers. -- Larry Niven and Jerry Pournelle in "Oath of Fealty"Received on Tue Aug 28 2007 - 02:48:24 UTC
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