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From: Anton Blanchard <anton@samba.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Bryan Rosenburg <rosnbrg@us.ibm.com>,
	linuxppc-dev@ozlabs.org, Nathan Lynch <ntl@pobox.com>,
	Paul Mackerras <paulus@samba.org>,
	Christopher Yeoh <cyeoh@samba.org>
Subject: Re: [PATCH 0/3] powerpc: Instrument Hypervisor Calls
Date: Sun, 16 Jul 2006 08:07:58 +1000	[thread overview]
Message-ID: <20060715220757.GA31511@krispykreme> (raw)
In-Reply-To: <200607151842.27568.arnd@arndb.de>

 
> Not sure I follow you. I would expect the PURR value to be restored after
> a context switch, even if we continue on a different physical CPU.
> 
> The idea behind monitoring both PURR and timebase is that the difference
> between the two tells you how long the partition was suspended during
> the hcall.

Sounds good, last time I looked at the patch I thought it was gathering
the PURR only. That on its own would make for some confusing results.

Anton

  reply	other threads:[~2006-07-15 22:07 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-14 23:37 [PATCH 0/3] powerpc: Instrument Hypervisor Calls Mike Kravetz
2006-07-14 23:39 ` [PATCH 1/3] powerpc: Instrument Hypervisor Calls: merge headers Mike Kravetz
2006-07-14 23:40 ` [PATCH 2/3] powerpc: Instrument Hypervisor Calls: add wrappers Mike Kravetz
2006-07-15  0:15   ` Nathan Lynch
2006-07-15  0:41     ` Mike Kravetz
2006-07-15  8:03       ` Nathan Lynch
2006-07-14 23:41 ` [PATCH 3/3] powerpc: Instrument Hypervisor Calls: add debugfs files Mike Kravetz
2006-07-15  0:00 ` [PATCH 0/3] powerpc: Instrument Hypervisor Calls Arnd Bergmann
2006-07-15  0:06   ` Mike Kravetz
2006-07-15 15:30   ` Anton Blanchard
2006-07-15 16:42     ` Arnd Bergmann
2006-07-15 22:07       ` Anton Blanchard [this message]
2006-07-16 23:02         ` Luke Browning
2006-07-17  2:02     ` Luke Browning
2006-07-16  3:53   ` Olof Johansson
2006-07-16 22:53     ` Luke Browning
2006-07-16 23:09       ` Olof Johansson
  -- strict thread matches above, loose matches on Subject: below --
2006-07-21  6:38 Mike Kravetz
2006-07-18 20:47 Mike Kravetz
2006-07-18 21:00 ` Paul Mackerras
2006-07-19  3:36   ` Mike Kravetz
2006-07-19 22:11     ` Mike Kravetz
2006-07-18 21:29 ` Mike Kravetz
2006-07-18 22:38   ` Olof Johansson
2006-06-22 22:56 Mike Kravetz
2006-06-23  0:28 ` Segher Boessenkool
2006-07-10 20:35 ` Mike Kravetz
2006-07-10 20:49   ` Arnd Bergmann
2006-07-12 18:05   ` Mike Kravetz
2006-06-14  3:47 Mike Kravetz

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