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From: David Daney <ddaney@avtrex.com>
To: Matej Kupljen <matej.kupljen@ultra.si>
Cc: linux-mips@linux-mips.org
Subject: Re: Where is op_model_mipsxx.c ?
Date: Tue, 25 Oct 2005 08:01:31 -0700	[thread overview]
Message-ID: <435E48CB.6040607@avtrex.com> (raw)
In-Reply-To: <1130239559.25742.19.camel@localhost.localdomain>

Matej Kupljen wrote:
> Hi
> 
> 
>>I've got oprofile support for MIPS32 / MIPS64 style counters in the queue.
>>It still needs some debugging to become actually useful but anyway, I'm
>>going to check those patches into git in a few minutes.
> 
> 
> Can these be used on the AMD AU1200 core?
> (I don't see Register 25 on Coprocessor 0)
> 
> If OProfile cannot be used, what can I use to profile the kernel?
> 

If there are no performance counters, OProfile can still use the system 
timer to take samples each clock tick.  This is the way I am using it.

To use it in this manner you have to hack up the code a bit so that the 
return value of oprofile_arch_init() (in oprofile/common.c) is -ENODEV.

David Daney.

  reply	other threads:[~2005-10-26  9:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-05  4:11 Where is op_model_mipsxx.c ? David Daney
2005-10-05 10:44 ` Ralf Baechle
2005-10-25 11:25   ` Matej Kupljen
2005-10-25 15:01     ` David Daney [this message]
2005-10-26  6:35       ` Matej Kupljen
2005-10-26 12:15     ` Ralf Baechle
2005-10-07 18:13 ` Mike C. Ward
2005-10-07 18:13   ` Mike C. Ward

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