Nils Goroll wrote:
>
>> r...@haggis:~# dtrace -n 'fbt::ffs:entry { @ffs=count(); }
>> fbt::swtch:entry { @swtch=count(); }'
>> dtrace: description 'fbt::ffs:entry ' matched 2 probes
>> ^C
>>
>> 14430
>> 32989
>>
>> Note: I suspect this is Xen specific...
>
> On bare metal, ffs is called far less frequently, so an optimization
> will be less significant:
If the libc version of ffs was optimized you might see effects in many
programs that use it on select() results - I know Xorg does that.
--
-Alan Coopersmith- alan.coopersm...@sun.com
Sun Microsystems, Inc. - X Window System Engineering
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