From: Paul Mackerras <paulus@samba.org>
To: Michael Neuling <mikey@neuling.org>
Cc: linuxppc-dev@ozlabs.org, kexec@lists.infradead.org,
Anton Blanchard <anton@samba.org>
Subject: Re: [PATCH 2/2] powerpc,kexec: Speedup kexec hpte tear down
Date: Wed, 12 May 2010 11:00:03 +1000 [thread overview]
Message-ID: <20100512010003.GB3548@drongo> (raw)
In-Reply-To: <7247.1273624988@neuling.org>
On Wed, May 12, 2010 at 10:43:08AM +1000, Michael Neuling wrote:
> We probably only do the remove on < 1% of the hptes now. So I doubt we
> would get a speedup since most of the time we aren't do the remove
> anymore.
It would be nice to have some actual numbers. Could you add some
counters and print the results at the end? (Or don't you have any
way to print things at that stage?)
Paul.
next prev parent reply other threads:[~2010-05-12 1:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-11 6:28 [PATCH 1/2] powerpc: Add hcall to read 4 ptes at a time in real mode Michael Neuling
2010-05-11 6:28 ` [PATCH 2/2] powerpc,kexec: Speedup kexec hpte tear down Michael Neuling
2010-05-11 7:04 ` Michael Ellerman
2010-05-11 23:29 ` Michael Neuling
2010-05-12 0:36 ` Michael Ellerman
2010-05-12 0:43 ` Michael Neuling
2010-05-12 1:00 ` Paul Mackerras [this message]
2010-05-12 1:06 ` Michael Neuling
2010-05-12 1:36 ` Michael Ellerman
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