Re: [PATCH 4/4] tools lib traceevent: Implements '%' operation

From: Arnaldo Carvalho de Melo
Date: Tue Feb 23 2016 - 09:38:27 EST


Em Mon, Feb 22, 2016 at 03:23:03PM -0500, Steven Rostedt escreveu:
> On Mon, 22 Feb 2016 14:08:22 -0300
> Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
>
> > The operation '%' is not implemented on event-parse.c, causing
> > an error on the parse of events with '%' operation on its
> > printk format. For example,
> >
> > # perf record -e sched:sched_deadline_yield ~/y
> > Warning: [sched:sched_deadline_yield] unknown op '%'
> > ....
> > # perf script
> > Warning: [sched:sched_deadline_yield] unknown op '%'
> > y 1641 [006] 3364.109319: sched:sched_deadline_yield: \
> > [FAILED TO PARSE] now=3364109314595 \
> > deadline=3364139295135 runtime=19975597
> >
> > This patch implements the '%' operation. With this patch, we see the
> > correct output:
> >
> > # perf record -e sched:sched_deadline_yield ~/y
> > No Warning
> >
> > # perf script
> > y 4005 [001] 4623.650978: sched:sched_deadline_yield: \
> > now=4623.650974050 \
> > deadline=4623.680957364 remaining_runtime=19979611
> >
> > Signed-off-by: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>
>
> Arnaldo,
>
> This patch is not dependent on the rest of the series and looks like a
> good general fix.
>
> Can you pull this one into your tree, and please add my:
>
> Reviewed-by: Steven Rostedt <rsotedt@xxxxxxxxxxx>

Done, thanks.

- Arnaldo