[LITMUS^RT] feather-trace events

[Namhoon Kim]

Hi,

I'm doing some real-time experiments using FMLP protocol. I want to measure
the execution time of a task by using feather-trace-tools. Feather-trace
record switch_to, switch_away, block, resume, and completion. I know
switch_away means that a job stops executing, but the block event of the
job is recorded after the switch_away event. The resume and switch_to
events are similar to the block and switch_away.
What kind of codes is executing between switch_away and block events?
Should I add the time between switch_away and block to a job's execution
time? Or is it already included in locking overheads?

Thanks,
Namhoon
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