Re: [PATCH 03/12] perf: add perf_event_task_migrate()

[Peter Zijlstra]

On Wed, 2010-05-05 at 11:37 +0200, Tejun Heo wrote:
> On 05/05/2010 11:11 AM, Peter Zijlstra wrote:
> > On Wed, 2010-05-05 at 07:08 +0200, Frederic Weisbecker wrote:
> >>
> >> In fact why not moving both tracing calls under this check.
> >> This is going to fix the migrate trace event that gets called
> >> even on "spurious" migrations, and you avoid the duplicate check
> >> in the perf callback. 
> > 
> > I kept the tracepoint out of that because I wanted to see how often it
> > attempts silly migrations :-)
> 
> Do you still need to keep it or is it okay to move it under the
> silliness check?

I guess you can move it, I often end up adding tons of trace_printk()
anyway when hunting funnies, might as well add one here when its
relevant.

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