Re: [ECOS] task switch hook

[Andrew Lunn <andrew at lunn dot ch>]

On Sat, Sep 18, 2004 at 11:54:47AM -0700, David Brennan wrote:
> Actually we are trying to calculate idle time. I know eCos has a 
> mechanism for doing that but here is the way our setup functions.
> We run about 10 task most of which are time based (every 10ms to every 
> 250ms). Our "idle" thread runs once they are all blocked and does 
> various non-time critical functions. (It does a health check of various 
> hardware, computes the CRC of the .text and .rodata spaces, walks 
> through the heap checking for corruption, etc.) Since it runs 
> "constantly" there is no way to let the eCos idle task run. (And the 
> processor utilization of our idle thread should not be counted). So I 
> would like to use a high speed timer to check the percentage of time the 
> my idle task is running. The method I am trying to use is the same one 
> we used for VxWorks. But I would be open to suggestions if you have any.

Nothing springs to mind. I think you will have to add new code.

        Andrew

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