On Sat, 12 Jun 2021 11:41:41 +0200 Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote: > > I think the above may be easier to understand, especially if the trace > > output that represents it is below. > > ok, I can try to capture a trace sample and represent it into the ASCII art > format above. Why capture it? Just fudge an example that fits the example ;-) > > > Also, I have to ask, shouldn't the "thread noise" really start at the > > "External clock event"? > > To go in that direction, we need to track things that delayed the IRQ execution. [snip long explanation of the obvious (to me at least) ;-) ] > the overhead is acceptable because of the sound analysis of the scheduling bound > (which is rooted in a formal specification & analysis of the system). I meant, that it needs to be documented, what the real thread noise is but due to what is available it may not be truly accurate. -- Steve