From: Michael Ellerman <michael@ellerman•id.au>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom•com>
Cc: Linux/PPC Development <linuxppc-dev@ozlabs•org>
Subject: Re: [PATCH] powerpc: Keep track of emulated instructions
Date: Sat, 04 Apr 2009 15:37:28 +1100 [thread overview]
Message-ID: <1238819848.9595.25.camel@localhost> (raw)
In-Reply-To: <alpine.LRH.2.00.0904031404450.32353@vixen.sonytel.be>
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On Fri, 2009-04-03 at 14:08 +0200, Geert Uytterhoeven wrote:
> Hi Ben, Kumar,
>
> Finally (after ca. 1.5 years), he're an updated version of my patch to keep
> track of emulated instructions. In the light of Kumar's `Emulate enough of SPE
> instructions to make gcc happy' patch, he probably also wants to keep track of
> the actual runtime overhead.
>
> Changes since last version:
> - arch/powerpc/kernel/sysfs.c is now compiled on ppc32, so we can provide
> counters in sysfs on ppc32, too,
> - WARN_EMULATED() is a no-op if CONFIG_SYSCTL is disabled,
> - Add warnings for altivec,
> - Add warnings for recently introduced emulation of vsx and isel
> instructions.
You don't count instructions that fall through to the bottom of
fix_alignment()?
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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next prev parent reply other threads:[~2009-04-04 4:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-03 12:08 [PATCH] powerpc: Keep track of emulated instructions Geert Uytterhoeven
2009-04-03 14:15 ` Kumar Gala
2009-04-06 12:33 ` Geert Uytterhoeven
2009-04-06 22:43 ` Michael Neuling
2009-04-07 7:26 ` Geert Uytterhoeven
2009-04-07 8:05 ` Michael Neuling
2009-04-29 12:43 ` Geert Uytterhoeven
2009-04-04 4:37 ` Michael Ellerman [this message]
2009-04-06 12:30 ` Geert Uytterhoeven
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