From: Arjan van de Ven <arjan@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>,
David Sharp <dhsharp@google.com>,
Vaibhav Nagarnaik <vnagarnaik@google.com>,
Michael Rubin <mrubin@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Hellwig <hch@infradead.org>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: Fix powerTOP regression with 2.6.39-rc5
Date: Tue, 10 May 2011 01:32:49 -0700 [thread overview]
Message-ID: <4DC8F831.2010404@linux.intel.com> (raw)
In-Reply-To: <20110510080918.GB27426@elte.hu>
On
>> name: sched_switch
>> ID: 57
>> format:
>> field:unsigned short common_type; offset:0; size:2;
>> field:unsigned char common_flags; offset:2; size:1;
>> field:unsigned char common_preempt_count; offset:3; size:1;
>> field:int common_pid; offset:4; size:4;
>> field:int common_lock_depth; offset:8; size:4;
>>
>> field:char prev_comm[TASK_COMM_LEN]; offset:12; size:16;
>> field:pid_t prev_pid; offset:28; size:4;
>> field:int prev_prio; offset:32; size:4;
>> field:long prev_state; offset:40; size:8;
>> field:char next_comm[TASK_COMM_LEN]; offset:48; size:16;
>> field:pid_t next_pid; offset:64; size:4;
>> field:int next_prio; offset:68; size:4;
>>
>> Is equivalent to this:
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <KernelShark><CaptureSettings><Events><CaptureType>Events</CaptureType><System>sched</System></Events><Plugin>function_graph</Plugin><File>/tmp/trace.dat</File></CaptureSettings></KernelShark>
> I did not say that it's equivalent, i said it's XML look-alike.
>
> Steve, we even joked about that, that if we continue like this we'll end up
> with an XML parser ... I requested several changes to the description format so
> that it becomes more human readable.
frankly, for software, XML is easier to deal with than the human
readable form.
if we are serious about wanting software to parse this stuff.. maybe
exposing it in an easy to parse format as well is not a bad idea....
next prev parent reply other threads:[~2011-05-10 8:34 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 20:08 Fix powerTOP regression with 2.6.39-rc5 Arjan van de Ven
2011-05-06 20:20 ` Steven Rostedt
2011-05-06 20:51 ` Linus Torvalds
2011-05-06 21:10 ` Steven Rostedt
2011-05-06 21:24 ` Linus Torvalds
2011-05-06 21:14 ` Steven Rostedt
2011-05-06 21:28 ` Linus Torvalds
2011-05-06 21:29 ` Arjan van de Ven
2011-05-06 21:57 ` Steven Rostedt
2011-05-07 6:58 ` Ingo Molnar
2011-05-07 10:45 ` Steven Rostedt
2011-05-07 14:44 ` Ingo Molnar
2011-05-07 17:20 ` Steven Rostedt
2011-05-07 17:59 ` Arjan van de Ven
2011-05-08 21:08 ` Frederic Weisbecker
2011-05-08 21:56 ` Arjan van de Ven
2011-05-07 19:00 ` Ingo Molnar
2011-05-10 3:07 ` Steven Rostedt
2011-05-10 4:44 ` Dave Chinner
2011-05-10 5:39 ` Steven Rostedt
2011-05-10 7:36 ` Dave Chinner
2011-05-10 7:54 ` Ingo Molnar
2011-05-10 8:09 ` Ingo Molnar
2011-05-10 8:32 ` Arjan van de Ven [this message]
2011-05-10 8:44 ` Ingo Molnar
2011-05-10 9:14 ` Pekka Enberg
2011-05-10 8:41 ` Ingo Molnar
2011-05-10 13:06 ` Steven Rostedt
2011-05-11 21:51 ` Ingo Molnar
2011-05-11 22:36 ` Steven Rostedt
2011-05-17 7:15 ` Michael Rubin
2011-05-17 11:19 ` Steven Rostedt
2011-05-17 13:24 ` David Ahern
2011-05-17 13:27 ` Steven Rostedt
2011-05-17 13:30 ` Ingo Molnar
2011-05-10 8:47 ` Ingo Molnar
2011-05-10 10:33 ` Steven Rostedt
2011-05-10 19:13 ` David Sharp
2011-05-09 23:37 ` David Sharp
2011-05-10 7:39 ` Ingo Molnar
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