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From: Albert Cahalan <albert@users.sf.net>
To: mikpe@csd.uu.se
Cc: Andrew Fleming <afleming@motorola.com>,
	Segher Boessenkool <segher@koffie.nl>,
	Albert Cahalan <albert@users.sourceforge.net>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	oprofile-list@lists.sourceforge.net,
	linuxppc-dev@lists.linuxppc.org, o.oppitz@web.de,
	linux-kernel@vger.kernel.org
Subject: Re: [patch] oprofile for ppc
Date: 11 Mar 2003 19:10:53 -0500	[thread overview]
Message-ID: <1047427855.5973.80.camel@cube> (raw)
In-Reply-To: <15982.29106.674299.704117@gargle.gargle.HOWL>

On Tue, 2003-03-11 at 18:30, mikpe@csd.uu.se wrote:
>>>>> Benjamin Herrenschmidt wrote:

>>>>>> Beware though that some G4s have a nasty bug that
>>>>>> prevents using the performance counter interrupt
>>>>>> (and the thermal interrupt as well).
...
> Is this bug restricted to 7400/7410 only, or does it
> affect the 750 (and relatives) and 604/604e too?
>
> I'm thinking about ppc support for my perfctr driver,
> and whether overflow interrupts are worth supporting
> or not given the errata.

604/604e doesn't even have performance monitoring AFAIK.
I've heard nothing to suggest that the 750 is affected.

I'll give you a hand; point me to the latest perfctr code
and explain how it is supposed to interact with oprofile.



  reply	other threads:[~2003-03-12  0:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-07  9:29 [patch] oprofile for ppc Albert D. Cahalan
2003-03-07 10:13 ` Benjamin Herrenschmidt
2003-03-07 18:31   ` Albert Cahalan
2003-03-08 15:10     ` Benjamin Herrenschmidt
2003-03-08 19:30       ` Albert Cahalan
2003-03-08 21:41         ` Benjamin Herrenschmidt
2003-03-10  4:00           ` Segher Boessenkool
2003-03-10  3:50       ` Segher Boessenkool
2003-03-10  6:31         ` Albert Cahalan
2003-03-10  8:43           ` Benjamin Herrenschmidt
2003-03-11  2:14           ` Segher Boessenkool
2003-03-11 21:54             ` Andrew Fleming
2003-03-11 23:13               ` Albert Cahalan
2003-03-12  0:25                 ` Andrew Fleming
2003-03-11 23:30               ` mikpe
2003-03-12  0:10                 ` Albert Cahalan [this message]
2003-03-12 10:42                   ` mikpe
2003-03-10  8:38         ` Benjamin Herrenschmidt
2003-03-20 21:32 ` Andy Fleming

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