Date: Mon, 13 Dec 2004 11:49:08 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: current@freebsd.org Subject: Re: cvs commit: src/sys/kern sched_ule.c (fwd) Message-ID: <20041213114852.R60504@mail.chesapeake.net> In-Reply-To: <20041213091514.B9536@mail.chesapeake.net> References: <20041213081021.A9536@mail.chesapeake.net> <20041213091514.B9536@mail.chesapeake.net>
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On Mon, 13 Dec 2004, Jeff Roberson wrote: > On Mon, 13 Dec 2004, Jeff Roberson wrote: > > > ULE works again with preemption and kse and so on. As far as I know, the > > only two problems with ULE currently are these: > ^three > > > > 1) nice +20 processes steal too much time from workloads that have some > > amount of idle time and lots of context switches (buildworld). > > 2) a nice +20 process can not be killed until there is some idle time in > > the system. I just fixed this one too. > > 3) Performance is not what it could be, especially on HTT. > > > > If you encounter any other problems with ULE, please email me directly, > > without a current cc, as this will ensure the least amount of lag in > > reply. > > > > Thanks, > > Jeff > > > > ---------- Forwarded message ---------- > > Date: Mon, 13 Dec 2004 13:09:33 +0000 (UTC) > > From: Jeff Roberson <jeff@FreeBSD.org> > > To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org > > Subject: cvs commit: src/sys/kern sched_ule.c > > > > jeff 2004-12-13 13:09:33 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/kern sched_ule.c > > Log: > > - Take up a 'slot' while we're on the assigned queue, waiting to be > > posted to another processor. Otherwise, kern_switch() gets confused > > and tries to sched_add(NULL). > > > > Revision Changes Path > > 1.138 +16 -16 src/sys/kern/sched_ule.c > > _______________________________________________ > > 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" > > > _______________________________________________ > 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" >
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