Experimental Physics and
Industrial Control System

"J. Lewis Muir" <[email protected]> · Mon, 10 Sep 2012 17:02:50 -0500

On 9/10/12 4:58 PM, Mark Rivers wrote:
> Hi Lewis,
> 
> Thanks for the reply. 
> 
> I don't think that could be it, because I can reduce the CPU time of my application from 20% to 14% by changing a PV to eliminate calculations that are definitely done in my code.  I collected the profile with those calculations enabled, so at least (20-14)/20 = 30% of the CPU time should be in my calculation function.  It's spending the rest of its time reading short TCP messages which are coming in at 6.5 kHz, and I think that will result in a non-trivial amount of time in drvAsynIPPort.  Some of it will be in the system Ethernet driver, network stack, etc.

Hi, Mark.

What does the "time" command show?

Lewis

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System