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From: Hui Zhu <teawater@gmail.com>
Date: Wed, 09 Feb 2011 13:26:00 -0000
Message-ID: <AANLkTi=UrBZUttP9Q=2DrNXs8MAw4FXWhv6f_Pz8ad8o@mail.gmail.com>
Subject: Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05
To: Tom Tromey <tromey@redhat.com>
Cc: linux-kernel@vger.kernel.org, Michael Snyder <msnyder@vmware.com>, 	Marc Khouzam <marc.khouzam@ericsson.com>, 	Thiago Jung Bauermann <thiago.bauermann@gmail.com>, Steven <mqyoung@gmail.com>, colyli@gmail.com, 	Christoph Hellwig <hch@infradead.org>, "gdb@sourceware.org" <gdb@sourceware.org>
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On Wed, Feb 9, 2011 at 00:00, Tom Tromey <tromey@redhat.com> wrote:
>>>>>> ">" =3D=3D Hui Zhu <teawater@gmail.com> writes:
>
>>> My gcc is 4.4.5. =A0Does it have VTA?
>
> Nope. =A0VTA went in for 4.5.
>
>>> Use the patch is easier than update gcc sometimes, right? =A0:)
>
> Yeah.
>
>>> BTW does VTA can handle the issue that after -O2 a lot of code
>>> execution order is worong?
>>> It affect me when I debug the Linux Kernel in qemu.
>
> My understanding is that VTA is solely about better tracking of values
> through optimization passes. =A0It doesn't affect code reordering, by
> design.
>
> Tom
>

Thanks Tom.

Handle the var is enough for KGTP.  Could you send me a introduce link for =
VTA?
I will post the the VTA to the HOWTO of the kgtp.

Best,
Hui