RELENG_7 jerky mouse and skipping sound (still a problem -BETA3)

Kris Kennaway kris at
Fri Jan 11 05:57:10 PST 2008

Anish Mistry wrote:
> On Friday 04 January 2008, Kris Kennaway wrote:
>> Kris Kennaway wrote:
>>> David E. Thiel wrote:
>>>> On Sun, Dec 30, 2007 at 11:12:26PM +0100, Kris Kennaway wrote:
>>>>>> FWIW, the problem remains for me. Still terrible performance
>>>>>> during compiles.
>>>>> OK.  Instead of going over all of the usual questions again,
>>>>> can you point me to a previous mail in which you explain your
>>>>> observations and test results in detail?
>>>> The most recent is
>>>>, but
>>>> it started way back at
>>>> I've tried a lot of stuff in between, and all I've been able to
>>>> narrow it down to is that it's not a display driver issue, and
>>>> that none of my swap partition is getting used, so that's not
>>>> the problem. During compiles, my UP system with ULE still gets
>>>> very unresponsive when compiling, sometimes taking up to 10
>>>> seconds just to draw a new terminal window. Even changing focus
>>>> with the window manager can take several seconds. I'd like to
>>>> provide more info, but I'm not sure what stats are useful for
>>>> this particular issue. Please let me know. dmesg is at
>>>>, and kernel config is
>>>> at Even though I'm
>>>> still getting reported 80-95% memory utilization and no paging,
>>>> I'm going to get an extra gig of RAM on order to see if that
>>>> improves things. 2G of ram for a desktop, what's the world
>>>> coming to? ;)
>>> OK, can you obtain a schedgraph trace when the problem is
>>> manifesting? See /usr/src/tools/sched/ and previous discussion in
>>> this or related threads.
>> Anyone?  Time is rapidly running out to get this fixed in time for
>> 7.0-RELEASE, so we need this trace ASAP.
> Is there a way to export the graph once I'm looking in it in 

The above trace does not show any compiler activity.  What was the 
process that was interfering with X performance in your case?

You also have a CPU load of up to 17, which is rather high.  I am not 
sure it is reasonable to expect your machine to stay perfectly 
responsive while it is under that kind of load.


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