Re: [PATCH 5/5] oprofile, x86: Reimplement nmi timer mode using perf

Peter Zijlstra
2011-10-18T11:00:03Z

On Mon, 2011-10-17 at 16:27 +0200, Robert Richter wrote:
> The legacy x86 nmi watchdog code was removed with the implementation
> of the perf based nmi watchdog. This broke Oprofile's nmi timer
> mode. To run nmi timer mode we relied on a continuous ticking nmi
> source which the nmi watchdog provided. The nmi tick was no longer
> available and current watchdog can not be used anymore since it runs
> with very long periods in the range of seconds. This patch
> reimplements the nmi timer mode using a perf counter nmi source.

fair enough,

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

I take it you'll take this through your oprofile tree?