a colleague is using Wind River Linux and is getting occasional OOM
errors when taking advantage of maximum parallelism, so he took the
quick way out and dialed things back using BB_NUMBER_THREADS and
PARALLEL_MAKE.
however, i am aware of the bitbake variables
BB_PRESSURE_MAX_{IO,CPU,MEMORY} and was wondering if there is a decent
writeup on how to use, perhaps, BB_PRESSURE_MAX_MEMORY, to dynamically
detect imminent OOM and adjust things. that is, how to calculate a
sane value for that as i haven't yet dug into the values under
/proc/pressure and how to interpret them?
i've seen mentions of combining the above with the "memstat"
command, and other approaches. thoughts?
rday
p.s. is there a docs page that expands on this stuff?
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