powerd broken
Dominic Fandrey
kamikaze at bsdforen.de
Sat May 9 13:10:36 UTC 2009
Robert Noland wrote:
> On Sat, 2009-05-09 at 10:26 +0200, Dominic Fandrey wrote:
>> Robert Noland wrote:
>>> On Fri, 2009-04-10 at 16:53 +0200, Dominic Fandrey wrote:
>>>> Robert Noland wrote:
>>>>> I've been working on the Intel vblank / irq issues. Every time I commit
>>>>> something thinking that I have it resolved, it isn't. So I'm waiting on
>>>>> hardware to arrive that will let me test this all more thoroughly. I do
>>>>> have a patch that I think fixes most of the issues on Intel, but the ddx
>>>>> driver is still doing some silly things that cause issues in some cases.
>>>>> I *think* the only outstanding issue I have with Intel is if something
>>>>> is rendering (synced to vblank or not) when the display goes into dpms
>>>>> sleep, there isn't anything to block that app, so it renders as hard as
>>>>> it can even though it isn't being displayed. In reality, this probably
>>>>> isn't a huge issue, but running gears while the display is asleep keeps
>>>>> the cpu at 100%, which isn't ideal. Normal apps that aren't trying to
>>>>> draw as fast as they can, shouldn't cause an issue.
>>>> With the latest drm, the IRQ craziness is gone. However, the crappy
>>>> performance remains. 2 months ago a RELENG_7 with all packages
>>>> up to date yielded 124fps in a q3 timedemo that now yields 80fps.
>>> Things are still not quite right with the Intel driver. But performance
>>> regressions are reported across Linux as well. A little of this might
>>> be us, but most of it is Intel...
>>>
>> I don't know what you did with the last update, but performance is now
>> better than ever (2% above what it used to be), which equels 3-4 more
>> frames in ioQuake3 or 200 more in glxgears.
>>
>> The uptime of the notebook is now 15 hours and the interrupt load
>> insignificant. I get no more than 8000 interrupts per seconds.
>> 4000 of these are CPU timers (2000 for each core) and 1000 more are
>> from my mouse, when I move it very fast. Around 2500 from vgapci, when
>> I run glxgears and the rest is just scraps of whatever else is running
>> (e.g. sound).
>
> Which update, what? I haven't touched the kernel tree in a while, just
> trying to sort it all out with patches here and there. Are you saying
> the the 2.7.0 intel driver helped? Or maybe the Xserver or mesa
> updates?
I update my ports daily, without really looking at what. I think
xorg-server was one of them. It must have been something that happened
during the last 48 hours.
> robert.
>
>> Thanks a lot.
>>
>> Regards
More information about the freebsd-stable
mailing list