Worried about high CPU usage in CRIO

[Joe Ross]

Originally Posted by Chris_Elston

Ok, I think I have attracted all the "power users" of Labview at CD in one post. "ya'll" are scaring me with your comments....

You should get really worried when Mark McLeod shows up.

Originally Posted by billbo911

Agreed 100%!

If the basic code is already running at 65%, couldn't that indicate there is a flaw in the basic control code?
I don't recall any previous years' code acting this way.
Don't we have tools that could point us to where the biggest users of CPU cycles are? Something akin to "Task Manager" in Windows?

We've struggled with high usage since the beginning. I wonder how much of this is now it's much easier to see the CPU% on the driver station, so now more people are noticing it. Also, all the extra monitoring unfortunately also takes more processor time. Unfortunately, I didn't look at the utilization for the default project in previous years, and now that the LabVIEW license expired, I'm not sure it's possible.

There's a few things you can do to track down high usage. In the Default project, there is a VI called Elapsed Times. You can drop it into each loop and wire in a name, and it will keep track of how long it takes between calls of that VI. This can help track down slow loops. You can also go to Tools -> Profile -> Performance and Memory for NI's equivalent of Task Manager.