On Sat, Feb 6, 2021 at 9:32 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
> >
> >
> >
> > On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > > On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
> > >>
>
On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
>
>
>
> On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
> >>
> >> On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
> >>>
> &g
On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:24 AM, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Feb 05, 2021 at 11:10:08AM -0800, Yonghong Song escreveu:
> >> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> >>> On Fri, Feb 5, 2021 at 7:5
On Wed, Jan 27, 2021 at 7:48 AM Sedat Dilek wrote:
>
> On Wed, Jan 27, 2021 at 6:07 AM Lukas Bulwahn wrote:
> >
> > On Tue, Jan 26, 2021 at 10:27 PM Nathan Chancellor
> > wrote:
> > >
> > > Use my @kernel.org for all points of contact so that I am a
On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
> > >
> > > On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> > > >
> > &g
On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> > > >
> &g
On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> > >
> > >
> > >
> > > On 2/5/21 12:31 PM, Sedat Dilek wrote:
>
On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> >
> >
> >
> > On 2/5/21 12:31 PM, Sedat Dilek wrote:
> > > On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
> > >>
> > >
On Sat, Feb 6, 2021 at 2:49 AM Masahiro Yamada wrote:
>
> On Sat, Feb 6, 2021 at 7:01 AM 'Nick Desaulniers' via Clang Built
> Linux wrote:
> >
> > I noticed we're invoking $(CC) via $(shell) more than once to check the
> > version. Let's reuse the first string captured in $CC_VERSION_TEXT.
> >
On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 12:31 PM, Sedat Dilek wrote:
> > On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/5/21 11:24 AM, Arnaldo Carvalho de Melo wrote:
> &g
On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
> >
> > Hi,
> >
> > when building with pahole v1.20 and binutils v2.35.2 plus Clang
> > v12.0.0-rc1 and DWARF-v5 I see:
> > ...
> > +
On Fri, Feb 5, 2021 at 4:28 PM Arnaldo Carvalho de Melo
wrote:
>
> Em Fri, Feb 05, 2021 at 04:23:59PM +0100, Sedat Dilek escreveu:
> > On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
> >
On Fri, Feb 5, 2021 at 10:40 PM Nick Desaulniers
wrote:
>
> On Fri, Feb 5, 2021 at 1:17 PM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 10:10 PM Nick Desaulniers
> > wrote:
> > >
> > > > Hi,
> > > >
> > > > when building
On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
>
> Hi,
>
> when building with pahole v1.20 and binutils v2.35.2 plus Clang
> v12.0.0-rc1 and DWARF-v5 I see:
> ...
> + info BTF .btf.vmlinux.bin.o
> + [ != silent_ ]
> + printf %-7s %s\n BTF .btf.vmlinux.bin.o
&g
On Fri, Feb 5, 2021 at 10:10 PM Nick Desaulniers
wrote:
>
> > Hi,
> >
> > when building with pahole v1.20 and binutils v2.35.2 plus Clang
> > v12.0.0-rc1 and DWARF-v5 I see:
> > ...
> > + info BTF .btf.vmlinux.bin.o
> > + [ != silent_ ]
> > + printf %-7s %s\n BTF .btf.vmlinux.bin.o
> > BTF
On Fri, Feb 5, 2021 at 9:22 PM Nick Desaulniers wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link:
On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:24 AM, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Feb 05, 2021 at 11:10:08AM -0800, Yonghong Song escreveu:
> >> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> >>> On Fri, Feb 5, 2021 at 7:5
On Fri, Feb 5, 2021 at 8:21 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:15 AM, Sedat Dilek wrote:
> > On Fri, Feb 5, 2021 at 8:10 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> >>> On Fri, Fe
On Fri, Feb 5, 2021 at 8:30 PM Fāng-ruì Sòng wrote:
>
> On Fri, Feb 5, 2021 at 11:21 AM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 8:15 PM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 8:10 PM Yonghong Song wrote:
> > > >
> &g
On Fri, Feb 5, 2021 at 8:21 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:15 AM, Sedat Dilek wrote:
> > On Fri, Feb 5, 2021 at 8:10 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> >>> On Fri, Fe
On Fri, Feb 5, 2021 at 8:15 PM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 8:10 PM Yonghong Song wrote:
> >
> >
> >
> > On 2/5/21 11:06 AM, Sedat Dilek wrote:
> > > On Fri, Feb 5, 2021 at 7:53 PM Sedat Dilek wrote:
> > >>
>
On Fri, Feb 5, 2021 at 8:10 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> > On Fri, Feb 5, 2021 at 7:53 PM Sedat Dilek wrote:
> >>
> >> On Fri, Feb 5, 2021 at 6:48 PM Sedat Dilek wrote:
> >>>
> >>> On Fri,
On Fri, Feb 5, 2021 at 7:53 PM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 6:48 PM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 4:28 PM Arnaldo Carvalho de Melo
> > wrote:
> > >
> > > Em Fri, Feb 05, 2021 at 04:23:59PM +0100, Sedat Dilek escrev
On Fri, Feb 5, 2021 at 6:48 PM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 4:28 PM Arnaldo Carvalho de Melo
> wrote:
> >
> > Em Fri, Feb 05, 2021 at 04:23:59PM +0100, Sedat Dilek escreveu:
> > > On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
> > > &
On Fri, Feb 5, 2021 at 4:28 PM Arnaldo Carvalho de Melo
wrote:
>
> Em Fri, Feb 05, 2021 at 04:23:59PM +0100, Sedat Dilek escreveu:
> > On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
> >
On Thu, Feb 4, 2021 at 11:07 PM Arnaldo Carvalho de Melo
wrote:
>
> Hi,
>
> The v1.20 release of pahole and its friends is out, mostly
> addressing problems related to gcc 11 defaulting to DWARF5 for -g,
> available at the usual places:
>
Congrats and thanks for v1.20 and to all involved
ience and require pahole to be installed with an
> appropriate version to select and use CONFIG_DEBUG_INFO_BTF, which is
> standard for options that require a specific tools version.
>
> Suggested-by: Sedat Dilek
> Signed-off-by: Nathan Chancellor
> ---
> MAINTAINERS | 1
On Thu, Feb 4, 2021 at 9:42 AM Sedat Dilek wrote:
>
> On Thu, Feb 4, 2021 at 3:58 AM Andrii Nakryiko
> wrote:
> ...
> >
> > Is there another (easy) way to get your patch set without the b4 tool?
> > Is your patch set present in some patchworks instance, so that
On Thu, Feb 4, 2021 at 3:58 AM Andrii Nakryiko
wrote:
...
>
> Is there another (easy) way to get your patch set without the b4 tool?
> Is your patch set present in some patchworks instance, so that I can
> download it in mbox format, for example?
>
Just to promote the b4 tool - we have some cool
On Thu, Feb 4, 2021 at 8:45 AM Nick Desaulniers wrote:
>
> On Wed, Feb 3, 2021 at 10:58 PM Sedat Dilek wrote:
> >
> > I guess I need to test harder to get a Tested-by credit :-)?
>
> You're right Sedat, I'm sorry. Your testing is invaluable; thank you
> for taking
On Thu, Jan 14, 2021 at 12:07 AM Nathan Chancellor
wrote:
>
> On Wed, Jan 13, 2021 at 02:38:27PM -0800, Andrii Nakryiko wrote:
> > Hm.. Just saw Linus proposing using $(error-if) in Kconfig for an
> > unrelated issue ([0]). If we can make this work, then it would catch
> > such issue early on,
On Thu, Feb 4, 2021 at 7:40 AM Nick Desaulniers wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link:
efile
> > +++ b/arch/x86/Makefile
> > @@ -33,6 +33,7 @@ REALMODE_CFLAGS += -ffreestanding
> > REALMODE_CFLAGS += -fno-stack-protector
>
> This one too:
>
> checking file arch/x86/Makefile
> patch: malformed patch at line 62: REALMODE_CFLAGS +=
> -fno-stack-protector
>
I needed to touch this as it was "malformed" and did not apply cleanly.
If it is not too late, feel free to add my:
Tested-by: Sedat Dilek
- Sedat -
On Wed, Feb 3, 2021 at 9:39 AM Masahiro Yamada wrote:
>
> On Wed, Feb 3, 2021 at 5:32 PM Sedat Dilek wrote:
> >
> > On Wed, Feb 3, 2021 at 8:53 AM Masahiro Yamada wrote:
> > >
> > > Sedat Dilek noticed duplicated debug flags passed when building
On Wed, Feb 3, 2021 at 8:53 AM Masahiro Yamada wrote:
>
> Sedat Dilek noticed duplicated debug flags passed when building C
> files with CONFIG_DEBUG_INFO.
>
> I do not know much about his build environment, but yes, Kbuild
> recurses to the top Makefile with some build ta
On Wed, Feb 3, 2021 at 8:53 AM Masahiro Yamada wrote:
>
> Sedat Dilek noticed duplicated debug flags passed when building C
> files with CONFIG_DEBUG_INFO.
>
> I do not know much about his build environment, but yes, Kbuild
> recurses to the top Makefile with some build ta
On Tue, Feb 2, 2021 at 7:06 AM Masahiro Yamada wrote:
>
> For the same reason as commit 51839e29cb59 ("scripts: switch explicitly
> to Python 3"), switch some more scripts, which I tested and confirmed
> working on Python 3.
>
> Signed-off-by: Masahiro Yamada
> Acked-by: Nathan Chancellor
> ---
On Tue, Feb 2, 2021 at 7:10 AM Masahiro Yamada wrote:
>
> On Tue, Feb 2, 2021 at 3:28 AM Nick Desaulniers
> wrote:
> >
> > On Sun, Jan 31, 2021 at 5:08 PM Masahiro Yamada
> > wrote:
> > >
> > > For the same reason as commit 51839e29cb59 ("scripts: switch explicitly
> > > to Python 3"), switch
On Sun, Jan 31, 2021 at 1:37 AM Fāng-ruì Sòng wrote:
>
> On Sat, Jan 30, 2021 at 3:10 PM Sedat Dilek wrote:
> >
> > On Sat, Jan 30, 2021 at 1:44 AM Nick Desaulniers
> > wrote:
> > >
> > > DWARF v5 is the latest standard of the DWARF debug info forma
On Sat, Jan 30, 2021 at 1:44 AM Nick Desaulniers
wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link:
On Sun, Jan 31, 2021 at 12:10 AM Sedat Dilek wrote:
>
> On Sat, Jan 30, 2021 at 1:44 AM Nick Desaulniers
> wrote:
> >
> > DWARF v5 is the latest standard of the DWARF debug info format.
> >
> > Feature detection of DWARF5 is onerous, especially given that we
CONFIG_DEBUG_INFO_BTF is set; pahole doesn't yet
> recognize the new additions to the DWARF debug info. Thanks to Sedat for
> the report.
>
> Link: http://www.dwarfstd.org/doc/DWARF5.pdf
> Reported-by: Sedat Dilek
> Suggested-by: Arvind Sankar
> Suggested-by: Caroline
On Sat, Jan 30, 2021 at 1:27 AM Nathan Chancellor wrote:
>
> clang produces .eh_frame sections when CONFIG_GCOV_KERNEL is enabled,
> even when -fno-asynchronous-unwind-tables is in KBUILD_CFLAGS:
>
> $ make CC=clang vmlinux
> ...
> ld: warning: orphan section `.eh_frame' from `init/main.o' being
On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link:
On Fri, Jan 29, 2021 at 11:31 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 2:23 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
> &
On Fri, Jan 29, 2021 at 11:21 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 2:11 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
> &
On Fri, Jan 29, 2021 at 11:09 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 1:20 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> > > wrote:
On Fri, Jan 29, 2021 at 10:13 PM Sedat Dilek wrote:
>
> On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
> wrote:
> >
> > On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek wrote:
> > >
> > > On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
> > > wrot
On Fri, Jan 29, 2021 at 10:09 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 12:55 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
> > wrote:
> > >
> > > On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek
> > &g
On Fri, Jan 29, 2021 at 9:48 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 29, 2021 at 12:41 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
> > wrote:
> > >
> > > diff --git a/Makefile b/Makefile
> > > index 201
CONFIG_DEBUG_INFO_BTF is set; pahole doesn't yet
> recognize the new additions to the DWARF debug info. Thanks to Sedat for
> the report.
>
> Link: http://www.dwarfstd.org/doc/DWARF5.pdf
> Reported-by: Sedat Dilek
> Suggested-by: Arvind Sankar
> Suggested-by: Caroline
On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link:
On Fri, Jan 22, 2021 at 7:41 PM 'Nick Desaulniers' via Clang Built
Linux wrote:
>
> On Fri, Jan 22, 2021 at 2:12 AM Bill Wendling wrote:
> >
> > From: Sami Tolvanen
> >
> > Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> > profile, the kernel is instrumented with PGO
On Thu, Jan 28, 2021 at 10:24 PM Nick Desaulniers
wrote:
>
> On Thu, Jan 28, 2021 at 1:19 PM Sedat Dilek wrote:
> >
> > On Thu, Jan 28, 2021 at 10:12 PM Nick Desaulniers
> > wrote:
> > >
> > > On Thu, Jan 28, 2021 at 12:46 PM Sedat D
On Thu, Jan 28, 2021 at 10:12 PM Nick Desaulniers
wrote:
>
> On Thu, Jan 28, 2021 at 12:46 PM Sedat Dilek wrote:
> >
> > [ LLVM ]
> >
> > Today, I switched over to LLVM version 12.0.0-rc1.
> >
> >
> > [ Step #1: 5.11.0-rc5-5-amd64
On Thu, Jan 28, 2021 at 2:41 AM Andrii Nakryiko
wrote:
>
> On Wed, Jan 27, 2021 at 5:30 PM Sedat Dilek wrote:
> >
> > On Thu, Jan 28, 2021 at 2:27 AM Andrii Nakryiko
> > wrote:
> > >
> > > On Thu, Jan 21, 2021 at 4:32 PM Sedat Dilek wrote:
> &
pf-next.
CC: b...@vger.kernel.org
Acked-by: Andrii Nakryiko
Acked-by: Jiri Olsa # tools/build and tools/perf
Signed-off-by: Sedat Dilek
---
tools/bpf/bpftool/Makefile | 2 --
tools/bpf/runqslower/Makefile | 3 ---
tools/build/feature/Makefile
On Thu, Jan 28, 2021 at 2:27 AM Andrii Nakryiko
wrote:
>
> On Thu, Jan 21, 2021 at 4:32 PM Sedat Dilek wrote:
> >
> > When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool.
> >
> > While looking into the source code I found duplicate assignments
diagnostic.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/1210
> Reported-by: Arnd Bergmann
> Signed-off-by: Fangrui Song
> Reviewed-by: Nick Desaulniers
> Reviewed-by: Nathan Chancellor
> Tested-by: Nick Desaulniers
> Tested-by: Nathan Chancellor
>
Teste
On Wed, Jan 27, 2021 at 6:07 AM Lukas Bulwahn wrote:
>
> On Tue, Jan 26, 2021 at 10:27 PM Nathan Chancellor wrote:
> >
> > Use my @kernel.org for all points of contact so that I am always
> > accessible.
> >
> > Signed-off-by: Nathan Chancellor
>
> Congrats, Nathan. You deserve it for all the
On Sat, Jan 23, 2021 at 3:46 AM Josh Poimboeuf wrote:
>
> On Sat, Jan 23, 2021 at 03:31:20AM +0100, Sedat Dilek wrote:
> > On Sat, Jan 23, 2021 at 3:26 AM Josh Poimboeuf wrote:
> > >
> > > On Fri, Jan 22, 2021 at 05:32:43PM -0800, Nick Desaulniers wrote:
&
On Fri, Jan 22, 2021 at 1:34 PM Dan Carpenter wrote:
>
> On Thu, Jan 21, 2021 at 05:15:56PM +0100, Sedat Dilek wrote:
> > On Thu, Jan 21, 2021 at 5:01 PM Lukas Bulwahn
> > wrote:
> > >
> > > Commit 6c8ad4427f6e ("kbuild: check the minimum compiler ver
On Sat, Jan 23, 2021 at 3:26 AM Josh Poimboeuf wrote:
>
> On Fri, Jan 22, 2021 at 05:32:43PM -0800, Nick Desaulniers wrote:
> > > In this specific case, find_func_by_offset returns NULL for
> > > .text..L.cfi.jumptable.43 at addend 0x8, because Clang doesn't emit
> > > jump table symbols for
tation, based on Nick Desaulniers's comment.
> v5: - Correct padding calculation, discovered by Nathan Chancellor.
> v6: - Add better documentation about the locking scheme and other things.
> - Rename macros to better match the same macros in LLVM's source code.
> v7: - Fix mino
On Fri, Jan 22, 2021 at 2:44 AM Nick Desaulniers
wrote:
>
> On Thu, Jan 21, 2021 at 2:35 AM Sedat Dilek wrote:
> >
> > Thanks for v6.
> >
> > Small Changelog nits:
> > * Can you reverse-order the changelog - latest v6 first.
> > * v4: s/Makfile c
On Fri, Jan 22, 2021 at 2:43 AM Nick Desaulniers
wrote:
>
> On Wed, Jan 20, 2021 at 6:03 PM Sedat Dilek wrote:
> >
> > On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
> > >
> > > On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> > > &g
On Fri, Jan 22, 2021 at 2:34 AM Nick Desaulniers
wrote:
>
> On Wed, Jan 20, 2021 at 6:21 PM Sedat Dilek wrote:
> >
> > Hi,
> >
> > When I looked through the code I wondered why we do not add a
> > "CONFIG_PGO_CLANG_PROFDATA" which
On Fri, Jan 22, 2021 at 1:14 AM Sedat Dilek wrote:
>
> On Thu, Jan 21, 2021 at 9:25 AM 'Bill Wendling' via Clang Built Linux
> wrote:
> >
> > From: Sami Tolvanen
> >
> > Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> > profi
v5.11-rc4.
I hope to get some feedback from especially Linux-bpf folks.
Acked-by: Jiri Olsa # tools/build and tools/perf
Signed-off-by: Sedat Dilek
---
Changelog RFC v1->v2:
- Add Jiri's ACK
- Adapt to fit Linux v5.11-rc4
tools/bpf/bpftool/Makefile | 2 --
tools/bpf/runqs
On Fri, Jan 22, 2021 at 1:21 AM Sedat Dilek wrote:
>
> On Fri, Jan 22, 2021 at 1:12 AM Sedat Dilek wrote:
> >
> > On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
> > wrote:
> > >
> > > On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> > >
On Fri, Jan 22, 2021 at 1:12 AM Sedat Dilek wrote:
>
> On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
> wrote:
> >
> > On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> > >
> > > On Sat, Jan 16, 2021 at 10:54:04AM +0100, Sedat Dilek wrote:
> > >
On Thu, Jan 21, 2021 at 9:25 AM 'Bill Wendling' via Clang Built Linux
wrote:
>
> From: Sami Tolvanen
>
> Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> profile, the kernel is instrumented with PGO counters, a representative
> workload is run, and the raw profile data
On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
wrote:
>
> On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> >
> > On Sat, Jan 16, 2021 at 10:54:04AM +0100, Sedat Dilek wrote:
> > > When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool
On Thu, Jan 21, 2021 at 3:03 AM Sedat Dilek wrote:
>
> On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
> >
> > On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> > >
> > > On Mon, Jan 18, 2021 at 1:39 PM Sedat Dilek wrote:
> > > >
>
On Thu, Jan 21, 2021 at 10:29 PM Josh Poimboeuf wrote:
>
> v2:
> - fix commit description for why xen hypervisor page contents don't
> matter [Juergen]
> - annotate indirect jumps as safe instead of converting them to
> retpolines [Andrew, Juergen]
> - drop patch 1 - fake jumps no longer
On Thu, Jan 21, 2021 at 5:16 PM Nathan Chancellor
wrote:
>
> On Thu, Jan 21, 2021 at 05:01:15PM +0100, Lukas Bulwahn wrote:
> > Commit 6c8ad4427f6e ("kbuild: check the minimum compiler version in
> > Kconfig") removed ./scripts/clang-version.sh and moved its content to
> >
commit hash-id of
"kbuild: check the minimum compiler version in Kconfig" - this missed
that move.
Maybe Masahiro does a respin and can fold this into above commit?
That's not my decision.
Reviewed-by: Sedat Dilek
- Sedat -
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/masa
On Thu, Jan 21, 2021 at 9:55 AM Sedat Dilek wrote:
>
> On Thu, Jan 21, 2021 at 9:08 AM Andrii Nakryiko
> wrote:
> >
> > On Wed, Jan 20, 2021 at 9:36 PM Nathan Chancellor
> > wrote:
> > >
> > > On Thu, Jan 21, 2021 at 01:27:35PM +0800, Tiezhu Yang wr
e workload test?
Here I do a x86-64 defconfig build.
See attached script.
Usually, I download this patch from LORE.
link="https://lore.kernel.org/r/20210111081821.3041587-1-mo...@google.com;
b4 -d am $link
This downloads v6.
What if I want a previous version (compare)?
Again, I will l
On Thu, Jan 21, 2021 at 9:08 AM Andrii Nakryiko
wrote:
>
> On Wed, Jan 20, 2021 at 9:36 PM Nathan Chancellor
> wrote:
> >
> > On Thu, Jan 21, 2021 at 01:27:35PM +0800, Tiezhu Yang wrote:
> > > The current LLVM and Clang build procedure in samples/bpf/README.rst is
> > > out of date. See below
On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
>
> On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> >
> > On Mon, Jan 18, 2021 at 1:39 PM Sedat Dilek wrote:
> > >
> > > On Mon, Jan 18, 2021 at 3:32 AM Bill Wendling wrote:
> > > >
>
On Wed, Jan 20, 2021 at 9:40 PM Nathan Chancellor
wrote:
>
> On Fri, Jan 15, 2021 at 01:06:15PM -0800, Nick Desaulniers wrote:
> > Modifies CONFIG_DEBUG_INFO_DWARF4 to be a member of a choice. Adds an
> > explicit CONFIG_DEBUG_INFO_DWARF2, which is the default. Does so in a
> > way that's forward
On Wed, Jan 20, 2021 at 11:36 PM Jiri Olsa wrote:
>
> On Sat, Jan 16, 2021 at 10:54:04AM +0100, Sedat Dilek wrote:
> > When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool.
> >
> > While looking into the source code I found duplicate assignments
> &
Hi,
When I looked through the code I wondered why we do not add a
"CONFIG_PGO_CLANG_PROFDATA" which can be helpful when doing the PGO
rebuild with a vmlinux.profdata.
This introduces a "PGO_PROFDATA" to turn on/off to pass
"-fprofile-use=vmlinux.profdata" (see CFLAGS_PGO_CLANG_PROFDATA in
On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
>
> On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> >
> > On Mon, Jan 18, 2021 at 1:39 PM Sedat Dilek wrote:
> > >
> > > On Mon, Jan 18, 2021 at 3:32 AM Bill Wendling wrote:
> > > >
>
On Mon, Jan 18, 2021 at 1:39 PM Sedat Dilek wrote:
>
> On Mon, Jan 18, 2021 at 3:32 AM Bill Wendling wrote:
> >
> > On Sun, Jan 17, 2021 at 4:27 PM Sedat Dilek wrote:
> > >
> > > [ big snip ]
> >
> > [More snippage.]
> &
On Mon, Jan 18, 2021 at 3:32 AM Bill Wendling wrote:
>
> On Sun, Jan 17, 2021 at 4:27 PM Sedat Dilek wrote:
> >
> > [ big snip ]
>
> [More snippage.]
>
> > [ CC Fangrui ]
> >
> > With the attached...
> >
> >[PATCH v3] module: Ig
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
On Sun, Jan 17, 2021 at 1:05 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 12:58 PM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 12:42 PM Sedat Dilek wrote:
> > >
> > > On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek
> > > wrote:
> >
On Sun, Jan 17, 2021 at 12:42 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
> > >
> > > On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek
> > > wrote:
> &g
On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
> > >
> > > On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> > > >
>
On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
> >
> > On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> > >
> > > On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > > > On S
On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> >
> > On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > > On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> > > wrote:
On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
>
> On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> > wrote:
> > >
> > > From: Sami Tolvanen
> > >
> > > E
On Sat, Jan 16, 2021 at 6:38 PM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> wrote:
> >
> > From: Sami Tolvanen
> >
> > Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> > profi
On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
wrote:
>
> From: Sami Tolvanen
>
> Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> profile, the kernel is instrumented with PGO counters, a representative
> workload is run, and the raw profile data
v5.11-rc3.
I hope to get some feedback from especially Linux-bpf folks.
Signed-off-by: Sedat Dilek
---
tools/bpf/bpftool/Makefile | 2 --
tools/bpf/runqslower/Makefile | 3 ---
tools/build/feature/Makefile| 4 ++--
tools/perf/Makefile.perf
On Sat, Jan 16, 2021 at 6:07 AM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
> wrote:
> >
> > > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Wed, Jan 13, 2021 at 12:55 PM Nath
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
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