On Tue, Dec 13, 2011 at 02:22:48AM -0800, Adrian Chadd wrote: > On 13 December 2011 01:00, Andrey Chernov <a...@freebsd.org> wrote: > > >> If the algorithm ULE does not contain problems - it means the problem > >> has Core2Duo, or in a piece of code that uses the ULE scheduler. > > > > I observe ULE interactivity slowness even on single core machine (Pentium > > 4) in very visible places, like 'ps ax' output stucks in the middle by ~1 > > second. When I switch back to SHED_4BSD, all slowness is gone. > > Are you able to provide KTR traces of the scheduler results? Something > that can be fed to schedgraph?
Sorry, this machine is not mine anymore. I try SCHED_ULE on Core 2 Duo instead and don't notice this effect, but it is overall pretty fast comparing to that Pentium 4. -- http://ache.vniz.net/ _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"
