performance tuning

[Petri Helenius]

Julian Elischer wrote:

>
>>
>>
>> There is work proceeding on 3 fronts.
>>
>> * libthr continues to be improved by Mike.
>
Is there a guideline when one should consider using libthr? I haven't 
tried libthr for quite a while.

>>
>> * libpthread is being scrutinised for ineffiencies and problems.
>>   In particular M:N performance has a lot to be desired.
>
I suppose this requires both userland and kernel tracing/profiling?

>
>>
>> Is that the American or British meaning of Momentarily?
>> (i.e. "IN a moment" or "FOR a moment"? )   :-)
>
American. Do I sound like I talk funny? :-)

>>
>> What we will really want eventually is KTR output as well as profilings.
>>
>> i.e. output of ktrdump.
>
Do you have set of ALQ, MASK etc. you're interested in? It would help if 
I could get a ready set of options to drop into the kernel...

Pete