I've got a process here at work that sends out jobs to a CPU farm. In many
cases, it works fine, sending out as many jobs as can be run in parallel at
once.
However, I've got one particular target that refuses to run massively parallel
(say dozens to hundreds). In order to debug this, I could use some hints in
debugging. What I've found so far:
1) Nothing obvious in make debugging output
Using -d and -p flags to make, there don't appear to be any cross
dependencies or
anything that I can think of that would hinder the maximum parallelism.
2) GNU make variables
MAKE, MAKEFLAGS, MAKECMDTARGETS doesn't appear to give me any
clues.
3) Debugging using the binary
I have the make source code and can build and run it fine. I've already
tried printing
out the more obvious internal variables, but that's not enough.
Can someone give me a medium->high level view of how the code paths for job
count and parallel execution works so that I can add more debugging output
for my tests?
I'm not on the mailing list, so please make sure that I'm in the To: field.
Thanks!
-Ray
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