I found this thread through a Google search so I didn't have much context.
Can you point me to the google/main source repo for gcc and the kernel? Are
there plans to migrate this patch to the gcc and Linux mainline?
Sorry, but I have never used the PGO option in icc.
Steve
Xinliang David Li
Rong Xu wrote:
That will be good.
But you never know, we internally have fixed some bugs that filed to
us because people use kernel's old gcov code (many versions guarded by
ifdef) for their tests.
-Rong
Has there been any progress one this patch? What version of gcc is this
patch
This patch is for google/main which is 4.7 based, but the validated
version is in google_46 branch (which is based on 4.6).
By the way (given that you are from intel), do you know if linux
kernel can be built with icc with PGO turned on? Our intern Xiaotian
has tried to use icc (12.0) to built
On Mon, May 16, 2011 at 3:38 PM, Andi Kleen a...@firstfloor.org wrote:
Jan Hubicka hubi...@ucw.cz writes:
Yep,
I think it does make sense to share the implementation, but we need to find
resonable way to do so.
I doubt this will be very popular with the kernel community, which
Rong Xu x...@google.com writes:
The current kernel code is for gcc 3. That could be simply
replaced with a modern gcc 4 interface.
You cannot replace. You have to keep the code for every gcc versions
that being used.
I don't think it's a problem to not support gcc 3 gcov/profiling
anymore.
On Sun, May 15, 2011 at 3:27 AM, Jan Hubicka hubi...@ucw.cz wrote:
On Fri, May 13, 2011 at 5:54 AM, Paolo Bonzini bonz...@gnu.org wrote:
On 05/13/2011 03:03 AM, Rong Xu wrote:
* gcc/coverage.c (revision 173717): set a flag if building
for Linux kernel.
*
On Fri, May 13, 2011 at 5:54 AM, Paolo Bonzini bonz...@gnu.org wrote:
On 05/13/2011 03:03 AM, Rong Xu wrote:
* gcc/coverage.c (revision 173717): set a flag if building
for Linux kernel.
* gcc/tree-profile.c (revision 173717): don't emit TLS
declarations for
On Fri, May 13, 2011 at 6:53 AM, Xinliang David Li davi...@google.com wrote:
Ok for google/main.
Seems to be very special and not appropriate for GCC trunk. Instead
an adjusted copy providing the interface GCC needs should belong to
the kernel tree.
Richard.
On Fri, May 13, 2011 at 6:53 AM, Xinliang David Li davi...@google.com wrote:
Ok for google/main.
Seems to be very special and not appropriate for GCC trunk. Instead
an adjusted copy providing the interface GCC needs should belong to
the kernel tree.
Andi Kleen also did work in this
On 05/13/2011 03:03 AM, Rong Xu wrote:
* gcc/coverage.c(revision 173717): set a flag if building for
Linux kernel.
* gcc/tree-profile.c(revision 173717): don't emit TLS declarations
for Linux kernel builds.
I think this should be done without touching at all the
On Fri, May 13, 2011 at 11:43:42AM +0200, Jan Hubicka wrote:
On Fri, May 13, 2011 at 6:53 AM, Xinliang David Li davi...@google.com
wrote:
Ok for google/main.
Seems to be very special and not appropriate for GCC trunk. Instead
an adjusted copy providing the interface GCC needs
On Fri, May 13, 2011 at 5:54 AM, Paolo Bonzini bonz...@gnu.org wrote:
On 05/13/2011 03:03 AM, Rong Xu wrote:
* gcc/coverage.c (revision 173717): set a flag if building
for Linux kernel.
* gcc/tree-profile.c (revision 173717): don't emit TLS
declarations for Linux
Thanks for the comments. This particular patch is not intended for
trunk. But we do want to hear your feedback on our designs.
On Fri, May 13, 2011 at 9:31 AM, Xinliang David Li davi...@google.com wrote:
On Fri, May 13, 2011 at 5:54 AM, Paolo Bonzini bonz...@gnu.org wrote:
On 05/13/2011 03:03
Thanks for the comments. This particular patch is not intended for
trunk. But we do want to hear your feedback on our designs.
On Fri, May 13, 2011 at 9:31 AM, Xinliang David Li davi...@google.com wrote:
On Fri, May 13, 2011 at 5:54 AM, Paolo Bonzini bonz...@gnu.org wrote:
On 05/13/2011 03:03
This patch add support to build Linux kernel with FDO.
Building Linux kernel with FDO needs both compiler change and
kernel changes. This part only contains the gcc changes. I'll
attach kernel changes to the reveiew thread for reference.
Source files gcov-io.c gcov-io.h and libgcov.c will be
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