ULE Status.
Robert Watson
rwatson at FreeBSD.org
Sat Jun 4 14:48:31 GMT 2005
On Sat, 4 Jun 2005, Anthony Ginepro wrote:
> However since a few weeks 6-CURRENT interactivity under I/O load isn't
> what it used to be. Uncompressing jdk14 makes the system slows down
> heavily, mouse pointer jerked and sound system chopped.
>
> I was hoping that ULE could help however it didn't improve much more
> than 4BSD. I suppose there's something else to tweak in order to have
> good interactivity under I/O load ?
Can you identify a threshold date, or better yet, commit, where the
problem began? Some searching through kernel dates would be very helpful.
Robert N M Watson
>
> Anthony.
>
>> ---------- Forwarded message ----------
>> Date: Sat, 4 Jun 2005 09:23:29 +0000 (UTC)
>> From: Jeff Roberson <jeff at FreeBSD.org>
>> To: src-committers at FreeBSD.org, cvs-src at FreeBSD.org, cvs-all at FreeBSD.org
>> Subject: cvs commit: src/sys/kern sched_ule.c
>>
>> jeff 2005-06-04 09:23:29 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/kern sched_ule.c
>> Log:
>> - Don't SLOT_USE() in the preempt case, sched_add() has already taken the
>> slot for us. Previously, we would take two slots on every preempt, and
>> setrunqueue() would fix it up for us in the non threaded case. The
>> threaded case was simply broken.
>> - Clean up flags, prototypes, comments.
>>
>> Revision Changes Path
>> 1.150 +37 -72 src/sys/kern/sched_ule.c
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