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Message-ID: <c62985530811270658x47f4f950m6c4c71f8674d27f1@mail.gmail.com>
Date: Thu, 27 Nov 2008 15:58:25 +0100
From: "Frédéric Weisbecker" <fweisbec@...il.com>
To: "Ingo Molnar" <mingo@...e.hu>
Cc: "Steven Rostedt" <rostedt@...dmis.org>,
"Tim Bird" <tim.bird@...sony.com>,
"Linux Kernel" <linux-kernel@...r.kernel.org>,
"Peter Zijlstra" <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] tracing/function-branch-tracer: enhancements for the trace output
2008/11/27 Ingo Molnar <mingo@...e.hu>:
>
> * Frédéric Weisbecker <fweisbec@...il.com> wrote:
>
>> >> > 0) 0.993 us | }
>> >> > +0) 11.649 us | }
>> >> > 0) | do_sync_read() {
>> >> > 0) | sock_aio_read() {
>> >> > 0) | __sock_recvmsg() {
>> >> > 0) | security_socket_recvmsg() {
>> >> > !0) 100.319 us | cap_socket_recvmsg();
>> >> > ---------------------------------------------------------
>>
>> I like it before the CPU number. The main purpose would be to scroll
>> quickly the file and find the overheads. That would be easy if set
>> as a first character.
>>
>> I will set it as a default disabled option.
>
> lets keep it default-enabled, ok? It makes sense.
Ok.
BTW I understand why it is better to have a "pipe" if there is no time:
0) | do_sync_read() {
0) | sock_aio_read() {
0) | __sock_recvmsg() {
0) | security_socket_recvmsg() {
But I don't see why it is necessary to have one just after the time:
!0) 100.319 us | cap_socket_recvmsg();
It appears to me as noise....
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