[Skimmertalk] CW Skimmer & Windows Driver Foundation

[Bob Wilson, N6TV]

On Wed, Jun 27, 2018 at 7:01 AM, W3OA <w3oa at roadrunner.com> wrote:

> I'm running CW Skimmer, version 2.0 on a Windows 10 computer and seeing
> very high CPU usage.  Task manager shows something called "Windows Driver
> Foundation" starts generating usage similar to Skimmer while Skimmer is
> running.
>

Did you mean similar to CW skimmer server?  RTTY Skimmer Server?  I don't
understand.


> This only happens if Skimmer's waterfall display is running.  If I click
> the Start/Stop Radio button to stop the waterfall display the CPU usage for
> both Skimmer and Windows Driver Foundation drops to zero. When I click
> again to start the waterfall display usage for both programs jumps to about
> 20% each.
>

Can't replicate that here.


> This may have just started after the recent Windows 10 update.
>

Could be graphics drivers?


> Any ideas on how to prevent Windows Driver Foundation from generating such
> high CPU usage?
>

Seen previously per Google.  One of the hits:

https://www.thewindowsclub.com/windows-driver-foundationframework-using-high-cpu-memory

73,
Bob, N6TV