Re: [RFD] Future tracing/instrumentation directions

From: Ingo Molnar
Date: Thu May 20 2010 - 07:49:31 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

> > as long as the tool is built in a way that it does not
> > need updates when we add trace points or other
> > functionality to the kernel.
>
> Yeah, most definitely. The sysfs event_source class will
> ensure that whatever (new) events are available
> propagate through the tool and are available to it.

Note that this approach isnt just for tools/perf/, it will
be useful for other perf events based tools as well:
SysProf and for the libpfm based apps.

Ingo
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