Re: [PATCH 5/6] tools lib traceevent: Add page_size field to pevent

From: Namhyung Kim
Date: Fri Apr 12 2013 - 21:17:39 EST


Hi Steve,

2013-04-11 (ë), 10:40 -0400, Steven Rostedt:
> On Thu, 2013-04-11 at 10:39 -0400, Steven Rostedt wrote:
> > On Thu, 2013-04-11 at 21:04 +0900, Namhyung Kim wrote:
> > > From: Namhyung Kim <namhyung.kim@xxxxxxx>
> > >
> > > It's for saving the page size of traced system.
> >
> > Can you add a bit more detail in the change log about why this patch is
> > necessary.
>
> For now, you can add my
>
> Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
>
> for all but this patch.

Thanks!

>
> I just want to know more about this patch before I ack it.

The page size of traced system can be different than current system's
because the recorded data file might be analyzed in a different machine.
In this case we should use original page size of traced system when
accessing the data file, so this information needs to be saved.

Thanks,
Namhyung


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