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Updated patchset.
http://kernel.kolivas.org
Contains:
O(1) + batch scheduling
Interactivity changes
Preempt
Low Latency
CK VM hacks
Swap Prefetch
Read Latency2
Variable HZ
Scheduler tunables
Supermount-NG v1.2.7
XFS file system 1.3.0pre2
ACPI 20030522
Nvidia Nforce2
Bootsplash
Grsec 1.9.9h
available, less tested, incomplete, or b0rken:
Packet writing for cdrw/dvd-r
CPU Frequency scaling
Software Suspend
Other VMs (yet to be resynced to ck3, but will be soon):
AA VM
Rmap15j
Changes:
I've added my interactivity changes to this one to improve system
responsiveness, and virtually eliminate audio/video skipping, and to retain X
interactivity under load (see threads in lkml for full discussion of
sleep_decay patch).
Timeslices have been restored to their larger values and the interactive feel
helped by granularity at 10ms.
The scheduler code has been tidied up now that I had been looking at it for so
long working on my additions I couldn't stand it being untidy.
HZ has been tuned now to 1000 as the above changes make this value not cause
the jerkiness evident in most 1000Hz kernels. The advantage is much lower
absolute latencies (see website for benchmarks.)
The extra patches have been incorporated into the full patch now that I've had
people testing them and bugfixes have been included.
Packet writing is available again separately.
What happened to ck2? Long story involving not enough sleep and posting a dud
patch. This is what ck2 was supposed to be...
Thanks to all those people who have been aggressively testing the ck2 pre
patches, and those sending me patch cleanups.
Con
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Dana ponedeljak 23 jun 2003 06:17, Con Kolivas je napisao/la:
> Updated patchset.
>
> http://kernel.kolivas.org
System sometime freezes for about 2-3 second, and alsa 0.9.4 refuses to work
correctly.
toptan@azdaha:~> aplay /usr/share/sounds/alsa/test.wav
Playing WAVE '/usr/share/sounds/alsa/test.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Stereo
aplay: pcm_write:1025: write error: Input/output error
Well it plays, but only first 500msec, and repeats it about ten times.
Same thing with alsa was happening with 2.5.54-59, so I think its scheduler
problem.
ck1 worked fine.
Distro is SuSE 8.2
Config & lspci -vvvv are attached.
--
Pozdrav,
Toplica Tanasković
Just a data point:
ck3 and alsa 0.9.2 work great here (gentoo system). All my problems
with post .20-ck4 are resolved.
Daniel
On Tue, 2003-06-24 at 15:44, Toplica Tanaskovi? wrote:
> Dana ponedeljak 23 jun 2003 06:17, Con Kolivas je napisao/la:
> > Updated patchset.
> >
> > http://kernel.kolivas.org
>
> System sometime freezes for about 2-3 second, and alsa 0.9.4 refuses to work
> correctly.
>
> toptan@azdaha:~> aplay /usr/share/sounds/alsa/test.wav
> Playing WAVE '/usr/share/sounds/alsa/test.wav' : Signed 16 bit Little Endian,
> Rate 44100 Hz, Stereo
> aplay: pcm_write:1025: write error: Input/output error
>
> Well it plays, but only first 500msec, and repeats it about ten times.
>
> Same thing with alsa was happening with 2.5.54-59, so I think its scheduler
> problem.
>
> ck1 worked fine.
>
> Distro is SuSE 8.2
> Config & lspci -vvvv are attached.
--
Daniel Gryniewicz <[email protected]>