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

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Message-ID: <20160223143819.GA2749@redhat.com>
Date:	Tue, 23 Feb 2016 11:38:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Daniel Bristot de Oliveira <bristot@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Juri Lelli <juri.lelli@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH 4/4] tools lib traceevent: Implements '%' operation

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@...hat.com> 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@...hat.com>
> 
> 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@...dmis.org>

Done, thanks.

- Arnaldo