Date: Sat, 05 Nov 2011 19:42:12 +0100 From: "O. Hartmann" <ohartman@zedat.fu-berlin.de> To: Ivan Klymenko <fidaj@ukr.net> Cc: freebsd-current@freebsd.org, Jeff Roberson <jroberson@jroberson.net>, Andriy Gapon <avg@FreeBSD.org> Subject: Re: Increase the degree of interactivity ULE scheduler Message-ID: <4EB58384.6020205@zedat.fu-berlin.de> In-Reply-To: <20111104153318.0f3b9c9a@nonamehost.> References: <4ea29f2c.a823440a.4aa0.3599SMTPIN_ADDED@mx.google.com> <alpine.BSF.2.00.1111031018030.1995@desktop> <4eb3032e.a82eec0a.12ad.ffff8d64SMTPIN_ADDED@mx.google.com> <alpine.BSF.2.00.1111031120340.1995@desktop> <20111104153318.0f3b9c9a@nonamehost.>
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[-- Attachment #1 --] Am 11/04/11 14:33, schrieb Ivan Klymenko: > Maybe useful the following information: > This problem appears not to all architectures and types of CPU. > on the Russian forums > http://www.bsdportal.ru/viewtopic.php?t=24900 > http://forum.lissyara.su/viewtopic.php?f=45&t=34641&sid=aa596f0b70806ba053011da911f9ccae > was a brute force to find out that: > there is a suspicion that: > - for AMD processors, this problem is not observed at all when the number of cores >= 2 > - on all single-core is the problem > - only for some models with Intel >= 2 cores of the problem is not found > > Perhaps, after all, avg@ rights (Subject: couple of sched_ule issues), that is not working > properly mechanism rebalancing and to determine the topology of CPU? > All converge, because my patch ( http://docs.freebsd.org/cgi/mid.cgi?20111022132817.35db5ccd ) > for SMP systems just do respite for rebalancing, which eliminates the problem with interactivity ... > > Thanks! > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" Is the patch going to be merged into HEAD shortly? Regards, Oliver [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOtYOJAAoJEOgBcD7A/5N8lMwIAOEnBlpKK/CiNn1wQzR0AVfs UvnSYpeN5IGTLW2P919x+yvDRMNjwKBJX5ocWnxJ233DKl31f44ZrLFXM5Ls1Qpb cu/3zlLmxIP5Rf7G/rl2XIcHZ0B3+Fz7N2b4muGfetVbuo0OcuGB5l7g4MZgTWGm 5H83noUwtCj3HDBsUlcMpQS/j9yLgz+gSo+7f3Xwe0xDAGi/2448tc7zfbKTWwRj c0Oh+m2TX7Q6xUqIEMi2NWNmvmJHSqNAlDlrHzzpJLvNuN5dEvFOnZKukVWLT6OS d5q97eAQxZaRLUCRjUjjBBIrWfditaKisvGEHIJqc/BtmuUo0x0GVpWu8kyeFag= =Cd8+ -----END PGP SIGNATURE-----
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