Samba and Application Response Measurement (ARM 4.0)
jorgar at gmail.com
Sun Mar 23 22:42:24 GMT 2008
On 23/03/2008, David Collier-Brown <davecb at sun.com> wrote:
> You want to look at your OS's code for time measurement: at
> least two free OSs implement something like gethrtime() as
> a call which does an entry/ring-crossing, reads one hardware
> register and returns. Others do a full system call (:-()
The problem with using this type of clock is that typically you want
to measure some elapsed time (ie. difference between 2 timestamps).
You don't want to be comparing CPU time registers from 2 different
> My leaky memory says Linux is one of the fast ones, but
> it's architecture dependant, too...
yes, very system and architecture dependent ...
James Peach | jorgar at gmail.com
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