2 x quad-core system is slower that 2 x dual core on FreeBSD

Kris Kennaway kris at FreeBSD.org
Mon Nov 19 11:19:11 PST 2007


Ivan Voras wrote:
> Kris Kennaway wrote:
> 
>> It's explained in the MUTEX_PROFILING(9) manpage (LOCK_PROFILING(9) on 7.0)
>>
>>              cnt_hold  The number of times the lock was held and another
>>                        thread attempted to acquire the lock.
>>
>>              cnt_lock  The number of times the lock was already held
>> when this
>>                        point was reached.
> 
> Interesting... why is the page named in UPPERCASE? :)
> 
> finstall:~> locate lock_profiling
> finstall:~> locate LOCK_PROFILING
> /buildcd/livecd/usr/share/man/man9/LOCK_PROFILING.9.gz
> /usr/obj/usr/src/share/man/man9/LOCK_PROFILING.9.gz
> /usr/share/man/man9/LOCK_PROFILING.9.gz
> /usr/src/share/man/man9/LOCK_PROFILING.9

Matching the option name I guess.  Not sure this is the right thing :)

Kris



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