This is the mail archive of the
gdb@sourceware.org
mailing list for the GDB project.
Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05
- From: Tom Tromey <tromey at redhat dot com>
- To: Hui Zhu <teawater at gmail dot com>
- Cc: linux-kernel at vger dot kernel dot org, Michael Snyder <msnyder at vmware dot com>, Marc Khouzam <marc dot khouzam at ericsson dot com>, Thiago Jung Bauermann <thiago dot bauermann at gmail dot com>, Steven <mqyoung at gmail dot com>, colyli at gmail dot com, Christoph Hellwig <hch at infradead dot org>, "gdb\ at sourceware dot org" <gdb at sourceware dot org>
- Date: Tue, 08 Feb 2011 09:00:47 -0700
- Subject: Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05
- References: <AANLkTikhfhYjvmvXtjW-Mszpq8d_3Syo=H4zqWe+1hEg__12255.0142732964$1296923928$gmane$org@mail.gmail.com> <m3hbcfzu9u.fsf@fleche.redhat.com> <AANLkTinMx8mJYiDps3TuuaA1B4NLHi-PuCKm2=sTqyR0@mail.gmail.com>
>>>>> ">" == Hui Zhu <teawater@gmail.com> writes:
>> My gcc is 4.4.5. Does it have VTA?
Nope. VTA went in for 4.5.
>> Use the patch is easier than update gcc sometimes, right? :)
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. It doesn't affect code reordering, by
design.
Tom