linux-kernel - Re: [libtraceevent] hrtimer_expire

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Message-ID: <20131105132516.GD2272@swordfish.minsk.epam.com>
Date:	Tue, 5 Nov 2013 16:25:16 +0300
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Jon Stanley <jonstanley@...il.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [libtraceevent] hrtimer_expire_entry unknown op '{'

On (11/05/13 08:15), Steven Rostedt wrote:
> Date: Tue, 5 Nov 2013 08:15:22 -0500
> From: Steven Rostedt <rostedt@...dmis.org>
> To: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>, Namhyung Kim
>  <namhyung@...nel.org>, Jon Stanley <jonstanley@...il.com>, Sasha Levin
>  <sasha.levin@...cle.com>, linux-kernel@...r.kernel.org
> Subject: Re: [libtraceevent] hrtimer_expire_entry unknown op '{'
> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.20; x86_64-pc-linux-gnu)
> 
> On Tue, 5 Nov 2013 12:37:55 +0300
> Sergey Senozhatsky <sergey.senozhatsky@...il.com> wrote:
> 
> > Hello,
> > 
> > libtraceevent reports ` unknown op '{' ' while processing hrtimer_expire_entry event
> 
> Yes, we need to port the plugin code from trace-cmd to handle this and
> other cases. It's a known issue.
> 

oh, sorry for the noise then. thanks.

	-ss

> -- Steve
> 
> > 
> > cat /sys/kernel/debug/tracing/events/timer/hrtimer_expire_entry/format
> > 
> > name: hrtimer_expire_entry
> > ID: 91
> > format:
> > 	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
> > 	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
> > 	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
> > 	field:int common_pid;	offset:4;	size:4;	signed:1;
> > 
> > 	field:void * hrtimer;	offset:8;	size:8;	signed:0;
> > 	field:s64 now;	offset:16;	size:8;	signed:1;
> > 	field:void * function;	offset:24;	size:8;	signed:0;
> > 
> > print fmt: "hrtimer=%p function=%pf now=%llu", REC->hrtimer, REC->function, (unsigned long long)(((ktime_t) { .tv64 = REC->now }).tv64)
> > 
> > 
> > 	-ss
> 
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