Re: [patch] trace: Add user-space event tracing/injection

[Frederic Weisbecker]

On Wed, Nov 17, 2010 at 02:31:27PM +0100, Peter Zijlstra wrote:
> On Wed, 2010-11-17 at 14:10 +0100, Frederic Weisbecker wrote:
> > 
> > 
> > 
> > Why not using write() on the perf event fd?
> > So that you don't only limit to a custom new simple event (which should
> > match most needs) but you can also inject whatever existing event you like.
> 
> Because you don't have the perf event fd, the monitoring application has
> it.


Ah, right.

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