verifying SMP

Joachim Worringen joachim at
Fri Jul 26 01:21:37 PDT 2002

Gabriel J. Weinstock:
> Hi,
>   Does anyone know a good way to test if a certain process is running on
> different CPUs on an SMP cluster node? For example, if one were to mpirun
> -np 4 prog where the machines file looked like
> node1:2
> node2:2
>   how could you verify that one process is being started on each CPU? Using
> top is one option, but then you're still inferring where the process is
> running. We're seeing funny numbers in our code and would like to verify
> where Linux is scheduling processes.

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