Re: [PATCH 4/4][RFC] perf_counter: Allow sharing of output channels

From: Paul Mackerras
Date: Wed Aug 19 2009 - 08:45:27 EST


Peter Zijlstra writes:

> Provide the ability to configure a counter to send its output to
> another (already existing) counter's output stream.

What sort of thing might this be useful for?

Does this only apply to sampling counters?

Paul.
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