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

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Date:	Wed, 3 Dec 2008 11:23:43 +0100
From:	"Frédéric Weisbecker" <fweisbec@...il.com>
To:	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>
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

2008/12/3 Peter Zijlstra <a.p.zijlstra@...llo.nl>:
> 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...


So perhaps I should drop gmail...... :-(
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