Re: [PATCH 0/4] perf events: Add realtime clock event and timehistoption -v2

From: Frederic Weisbecker
Date: Mon Feb 21 2011 - 16:55:44 EST


On Mon, Feb 21, 2011 at 02:41:53PM -0700, David Ahern wrote:
>
>
> On 02/21/11 14:37, Frederic Weisbecker wrote:
>
> > The goal is actually to extend perf script to handle more than just raw data.
> > So that it can handle the rest of what we can find in an event: time, ip, stacktraces...
> >
> > You've added 200 lines in perf report to add the dump support. It wouldn't
> > require more to extend perf script to do that. And the result is going to be
> > much more powerful.
> >
> > Look at struct scripting_ops::process_event().
>
> I actually have a draft of perf-script - essentially duplicating sample
> processing done in perf-report. When it got to the point of having to
> add a lot of code -- other features essentially -- just to get it to the
> point of being ready for this feature I stopped.


I don't understand why it's harder to extend print_event() rather than
perf report.
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