Andi Kleen wrote:
Maxim Uvarov <[email protected]> writes:
This data is useful for detecting hyperactivity
patterns between processes.
You need a lot better rationale to slow down these important
fast paths. Particularly the syscall path is very hot.
Is this something that is really generally useful? The context
switch counters might be occasionally useful, but strace can
you just give the syscall count anyways. Still not sure
it really should go into the standard kernel. Perhaps just keep it
as a systemtap script?
-Andi
It is difficult to use strace for multi thread applications to
verify which thread is doing what.
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