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From: Masami Hiramatsu <mhiramat@redhat.com>
To: Mathieu Desnoyers <compudj@krystal.dyndns.org>
Cc: Martin Bligh <mbligh@google.com>,
	        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	        Linus Torvalds <torvalds@linux-foundation.org>,
	        Thomas Gleixner <tglx@linutronix.de>,
	        Steven Rostedt <rostedt@goodmis.org>,
	darren@dvhart.com,         "Frank Ch. Eigler" <fche@redhat.com>,
	        systemtap-ml <systemtap@sources.redhat.com>
Subject: Re: Unified tracing buffer
Date: Tue, 23 Sep 2008 15:32:00 -0000	[thread overview]
Message-ID: <48D90B84.4030905@redhat.com> (raw)
In-Reply-To: <20080923150410.GA28341@Krystal>

Mathieu Desnoyers wrote:
> * Masami Hiramatsu (mhiramat@redhat.com) wrote:
> [...]
>> $ cat /proc/cpuinfo
>> processor	: 0
>> vendor_id	: GenuineIntel
>> cpu family	: 6
>> model		: 15
>> model name	: Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz
>> stepping	: 6
>> cpu MHz		: 1000.000
> [...]
> 
> ... @ 2.00GHz and cpu MHz : 1000.000 ; isn't that a bit odd ? (same for
> both cpus)

2.00GHz is the maximum(model) frequency. And 'cpu MHz' means
current frequency. (yep, now I'm using cpufreq)
Anyway, when I measured TSC drift, I killed cpuspeed service and
fixed freq to 2000. ;-)

Thank you,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com

  reply	other threads:[~2008-09-23 15:32 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <33307c790809191433w246c0283l55a57c196664ce77@mail.gmail.com>
2008-09-22 19:47 ` Masami Hiramatsu
2008-09-22 20:14   ` Martin Bligh
2008-09-22 22:27     ` Masami Hiramatsu
2008-09-22 23:12       ` Darren Hart
2008-09-23  0:06         ` Masami Hiramatsu
2008-09-22 23:17       ` Martin Bligh
2008-09-23  0:07         ` Masami Hiramatsu
2008-09-23  0:13           ` Martin Bligh
2008-09-23 14:51             ` Masami Hiramatsu
2008-09-23 15:09               ` Mathieu Desnoyers
2008-09-23 15:32                 ` Masami Hiramatsu [this message]
2008-09-23 16:02                   ` Linus Torvalds
2008-09-23 17:07                     ` Masami Hiramatsu
2008-09-23 17:33                       ` Thomas Gleixner
2008-09-23 19:03                         ` Masami Hiramatsu
2008-09-23 19:37                           ` Thomas Gleixner
2008-09-23 19:39                             ` Martin Bligh
2008-09-23 19:42                               ` Thomas Gleixner
2008-09-23 19:51                                 ` Martin Bligh
2008-09-23 20:05                                   ` Thomas Gleixner
2008-09-23 21:02                                     ` Martin Bligh
2008-09-23 20:06                             ` Masami Hiramatsu
2008-09-23 20:09                               ` Thomas Gleixner
2008-09-23 15:48               ` Linus Torvalds
2008-09-23  0:41           ` Linus Torvalds
2008-09-23  1:28             ` Roland Dreier
2008-09-23  1:40               ` Steven Rostedt
2008-09-23  2:08               ` Mathieu Desnoyers
2008-09-23  2:27                 ` Darren Hart
2008-09-23  2:32                   ` Mathieu Desnoyers
2008-09-23  3:29               ` Linus Torvalds
2008-09-23  3:42                 ` Mathieu Desnoyers
2008-09-23  4:06                   ` Linus Torvalds
2008-09-23  3:44                 ` Steven Rostedt
2008-09-23  4:12                   ` Masami Hiramatsu
2008-09-23  4:18                     ` Martin Bligh
2008-09-23 15:25                       ` Masami Hiramatsu
2008-09-23 10:54                     ` Steven Rostedt
2008-09-23  4:20                   ` Linus Torvalds
2008-09-23 14:13                     ` Mathieu Desnoyers
2008-09-23  2:31             ` Mathieu Desnoyers
2008-09-23  3:07             ` Masami Hiramatsu
2008-09-23 14:38       ` KOSAKI Motohiro
2008-09-23 15:04         ` Frank Ch. Eigler
2008-09-23 15:23         ` Masami Hiramatsu
2008-09-23 18:04           ` KOSAKI Motohiro
2008-09-23 18:29             ` Martin Bligh

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