lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20081203142225.GA32267@elte.hu>
Date:	Wed, 3 Dec 2008 15:22:25 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Tim Bird <tim.bird@...sony.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] tracing/function-graph-tracer: improve duration
	output


* Frédéric Weisbecker <fweisbec@...il.com> wrote:

> 2008/12/3 Steven Rostedt <rostedt@...dmis.org>:
> > Actually, I was also thinking of keeping the CPU number in front:
> >
> >  ------------------------------------------
> >  0)    cat-2796    =>   events/-9
> >  ------------------------------------------
> >
> > This way we can easily grep for a common CPU and still get the context
> > switches:
> >
> > grep '^0)' trace > /tmp/trace0
> 
> I agree. More easy to grep. Ingo, Peter, others, what do you think?

sure.

> > Of course it will probably also work without the '^' now, but then it 
> > might grab ftrace_printks with a '0)' if we add those.
> 
> 
> I proposed a solution for ftrace_printk (which I planned to implement 
> this evening). Since we are in a C-style output, that would be good to 
> put the ftrace_printk as /* C comments */ inside just below the 
> function that called it. Like this:
> 
> func_that_called_ftrace_printk {
>     /* Message from ftrace_printk */
> }
> 
> This way we keep the idea of comment which comes along the role of
> ftrace_printk and we know
> which function called it, at which depth.....
> 
> Do you like it this way?

yeah, that would be lovely to have too.

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ