Hey Robert,
There shouldn't be any difference at all. Can you send a couple more
lines of mpstat output?
- ahl
On Mar 14, 2008, at 11:35 AM, Robert Milkowski wrote:
> HI,
>
> T5220, S10U4 + patches
>
> mdb -k
>> ::memstat
>
>
> While above is working (takes some time, ideally ::memstat -n 4 to
> use 4 threads could be useful) mpstat 1 shows:
>
> CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr
> sys wt idl
> 48 0 0 1922112 9 0 0 8 0 0 0 15254 6
> 94 0 0
>
>
> So about 2mln xcalls per second.
> Let's check with dtrace:
>
> dtrace -n sysinfo:::xcalls'[EMAIL PROTECTED]();}' -n
> tick-1s'{printa(@);clear(@);}'
> dtrace: description 'sysinfo:::xcalls' matched 4 probes
> dtrace: description 'tick-1s' matched 1 probe
> CPU ID FUNCTION:NAME
> 24 47924 :tick-1s
> 28274
>
> 24 47924 :tick-1s
> 27808
>
> 24 47924 :tick-1s
> 27721
>
> 24 47924 :tick-1s
> 27736
>
> ^C
>
> less than 30k per second.
>
> I guess dtrace output is more reasonable but I'm not sure.
>
> Why the difference?
>
>
> --
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--
Adam Leventhal, Fishworks http://blogs.sun.com/ahl
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