Hi,
Suppose I have this procedure :
void do_it()
{
complex_calculation();
other_complex_calculation();
}
and this highest priority rtl thread(ignore syntax errors):
pthread_make_periodic(PERIOD);
while (1) {
do_it();
pthread_wait();
}
And my questions :
(1) I assume if execution time do_it() is greater than PERIOD,
then all the CPU time will be used by this thread and no other
task have chance to run. Is it correct ?
(2) How to measure the worst-case execution time of do_it() ?
Can I just run it 100 times, do measurement, and pick the greatest
value ?
Thanks in advance,
Adi Sudewa
-
Teknik Informatika
Institut Teknologi Bandung
Indonesia
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