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Let's say I have program #1 launching program #2 which is launching program #3.
If I call
ulimit -t 10
before calling program #1, then EACH program will be alloted 10 seconds of CPU time.
Could I have this limit apply to the total CPU time used by all 3 programs? Basically I'm talking about the time as shown by 'top -S' - this will show the total cumulative CPU time including all spawned "subprocesses".
Most useful to me would be to have this cumulative behavior apply for "-t" (CPU time). It would be great though if I could have it apply to the other flags as well (maximum memory used etc.).
If ulimit can't do this, is there an alternate way of doing it?