35c8c80a00
for the citimon stats:
thread 0: thread 1:
enter_critical (t0)
up_switch_context
note suspend thread0 (t1)
thread running
IRQ happen, in ISR:
post thread0
up_switch_context
note resume thread0 (t2)
ISR continue f1
ISR continue f2
...
ISR continue fn
leave_critical (t3)
You will see, the thread 0, critical_section time is:
(t1 - t0) + (t3 - t2)
BUT, this result contains f1 f2 .. fn time spent, it is wrong
to tell user thead0 hold the critical lots of time but actually
not belong to it.
Resolve:
change the nxsched_suspend/resume_scheduler to real hanppends
Signed-off-by: ligd <liguiding1@xiaomi.com>
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