linux-kernel - Re: [PATCH 2/2] tracing/function-graph-tracer: improve duration output

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Date:	Wed, 03 Dec 2008 11:21:46 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Tim Bird <tim.bird@...sony.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] tracing/function-graph-tracer: improve duration
 output

On Wed, 2008-12-03 at 11:07 +0100, Frédéric Weisbecker wrote:
> 
> 
> >
> > btw., i tested the graph tracer on a 16-way 64-bit box as well, and
> the
> > multi-digit CPU field printout magic works fine there too:
> >
> >  9)               |    pick_next_task() {
> >  9)   0.283 us    |      pick_next_task_fair();
> >  9)   0.276 us    |      pick_next_task_rt();
> >  9)   0.273 us    |      pick_next_task_fair();
> >  9)   0.279 us    |      pick_next_task_idle();
> >  9)   2.596 us    |    }
> >  9)   0.566 us    |    __lock_text_start();
> >  10)   0.299 us    |        }
> >  10)               |        mm_init() {
> >  10)               |          pgd_alloc() {
> >  10)               |            __get_free_pages() {
> >  10)               |              alloc_pages_current() {
> >  10)   0.330 us    |                policy_zonelist();
> >  10)               |                __alloc_pages_internal() {
> >
> >        Ingo
> >
> 
> Hmm not really, there should be one space more before the 9 to fit the
> log10(MAX_CPU) here and not break
> the column.

It did in my copy of Ingo's email...

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