From: Anton Blanchard <anton@samba.org>
To: Werner Almesberger <wa@almesberger.net>
Cc: benh@kernel.crashing.org, linuxppc-dev@lists.linuxppc.org
Subject: Re: performance monitor exceptions
Date: Wed, 13 Feb 2002 22:14:50 +1100 [thread overview]
Message-ID: <20020213111450.GF3886@krispykreme> (raw)
In-Reply-To: <20020212193317.F5079@almesberger.net>
> Bingo ! That seems to be the one:
>
> http://www.mot.co.jp/SPS/html/lit/pdf/mpc7410pns_rev0.pdf
>
> #5:
> Description: Consecutive Performance Monitor, Decrementer,
> or Thermal Management Interrupts may become non-recoverable.
>
> Work-Around: Avoid enabling any combination of
> Performance Monitor, Decrementer, or Thermal Management
> Interrupts at the same time.
Thats rather ugly :( BTW I have run kernel profiling off the performance
monitor exception on ppc64 which has been very useful (it allowed us
to profile inside interrupt disabled regions)
Anton
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-02-13 11:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-11 22:37 performance monitor exceptions Werner Almesberger
2002-02-12 12:55 ` benh
2002-02-12 18:33 ` Werner Almesberger
2002-02-13 11:14 ` Anton Blanchard [this message]
2002-02-13 12:48 ` benh
2002-02-13 19:01 ` G4 boot crash problems with 2.4 "stable" David A. Gatwood
2002-02-13 19:07 ` benh
2002-02-13 21:09 ` David A. Gatwood
2002-02-13 21:06 ` Benjamin Herrenschmidt
2002-02-13 23:48 ` Ethan Benson
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