Messages in this thread | | | Date | Mon, 2 Nov 2009 14:46:55 +1100 | From | Paul Mackerras <> | Subject | [PATCH 1/6] perf/core: Provide a kernel-internal interface to get to performance counters |
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Frederic Weisbecker writes:
> /* > + * perf_event_create_kernel_counter > + * MUST be called from a kernel thread.
Why? The reason for this requirement isn't obvious to me. It would be good to have the reason documented in the comment for the sake of people modifying the code in future.
Paul.
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