linux-kernel - Re: [PATCHv3 3/3] [PATCHv3 3/3] tracing - trace parser support for set_graph_function set_ftrace_filter set_ftrace

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Message-ID: <20090914063316.GA2428@jolsa.lab.eng.brq.redhat.com>
Date:	Mon, 14 Sep 2009 08:33:16 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv3 3/3] [PATCHv3 3/3] tracing - trace parser support for
	set_graph_function set_ftrace_filter set_ftrace_notrace

On Fri, Sep 11, 2009 at 03:20:10PM -0400, Steven Rostedt wrote:
> Nit - fix your scripts again. The subject duplicates the [PATCHv3 3/3].
oh crap, sry

> 
> On Fri, 2009-09-11 at 17:29 +0200, jolsa@...hat.com wrote:
> 
> > Fixed minor in set_graph_function display - g_show function.
> 
> > @@ -2499,7 +2456,7 @@ static int g_show(struct seq_file *m, void *v)
> >  		return 0;
> >  	}
> >  
> > -	seq_printf(m, "%pf\n", v);
> > +	seq_printf(m, "%p\n", (void *) *ptr);
> >  
> >  	return 0;
> >  }
> 
> 
> I changed this, because it has a bug itself. You just changed the way
> set_graph_function works.
> 
> It use to do:
> 
> # echo sys_open > set_graph_function
> # cat set_graph_function
> sys_open
> 
> After this change, it does
> 
> # echo sys_open > set_graph_function
> # cat set_graph_function
> ffffffff811020d0
> 
> Which is not very helpful.

holly crap on a cracker... 
I did not know vsnprintf has the %pf spec.. cool ;)

thanks,
jirka
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