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SubjectRe: [GIT PULL 00/12] perf/core improvements and fixes
On Thu, Feb 27, 2014 at 12:46:58PM +0100, Ingo Molnar wrote:
>
> * Arnaldo Carvalho de Melo <acme@infradead.org> wrote:
>
> > From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
> >
> > Hi Ingo,
> >
> > Please consider pulling,
> >
> > - Arnaldo
> >
> > The following changes since commit 7e74efcf76c16f851df5c838c143c4a1865ea9fa:
> >
> > Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2014-02-22 17:26:24 +0100)
> >
> > are available in the git repository at:
> >
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux tags/perf-core-for-mingo
> >
> > for you to fetch changes up to 1029f9fedf87fa6f52096991588fa54ffd159584:
> >
> > perf symbols: Check compatible symtab type before loading dso (2014-02-24 16:25:01 -0300)
> >
> > ----------------------------------------------------------------
> > perf/core improvements and fixes
> >
> > . Add support for the new DWARF unwinder library in elfutils (Jiri Olsa)
> >
> > . Fix build race in the generation of bison files (Jiri Olsa)
> >
> > . Further streamline the feature detection display, trimming it a bit to
> > show just the libraries detected, using VF=1 gets a more verbose output,
> > showing the less interesting feature checks as well (Jiri Olsa).
> >
> > . Check compatible symtab type before loading dso (Namhyung Kim)
> >
> > . Check return value of filename__read_debuglink() (Stephane Eranian)
> >
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> >
> > ----------------------------------------------------------------
> > Arnaldo Carvalho de Melo (1):
> > perf tools: Warn the user about how to enable libunwind support
> >
> > Jiri Olsa (9):
> > perf tests: Fix *.o make tests
> > perf tests: Add pmu-bison.o make test
> > perf tools: Fix bison OUTPUT directories dependency
> > perf tools: Factor features display code
> > perf tools: Add variable display for VF make output
> > perf tools: Add feature check for libdw dwarf unwind
> > perf tools: Add libdw DWARF post unwind support
> > perf tools: Setup default dwarf post unwinder
> > perf tests: Add NO_LIBDW_DWARF_UNWIND make test
> >
> > Namhyung Kim (1):
> > perf symbols: Check compatible symtab type before loading dso
> >
> > Stephane Eranian (1):
> > perf symbols: Check return value of filename__read_debuglink()
> >
> > tools/perf/Makefile.perf | 24 ++-
> > tools/perf/arch/x86/Makefile | 5 +
> > tools/perf/arch/x86/util/unwind-libdw.c | 51 +++++
> > tools/perf/config/Makefile | 232 +++++++++++++++------
> > tools/perf/config/feature-checks/Makefile | 6 +-
> > tools/perf/config/feature-checks/test-all.c | 5 +
> > .../feature-checks/test-libdw-dwarf-unwind.c | 13 ++
> > tools/perf/tests/make | 25 ++-
> > tools/perf/util/dso.c | 4 +-
> > tools/perf/util/symbol-elf.c | 2 +
> > tools/perf/util/symbol.c | 61 +++++-
> > tools/perf/util/unwind-libdw.c | 210 +++++++++++++++++++
> > tools/perf/util/unwind-libdw.h | 21 ++
> > 13 files changed, 569 insertions(+), 90 deletions(-)
> > create mode 100644 tools/perf/arch/x86/util/unwind-libdw.c
> > create mode 100644 tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c
> > create mode 100644 tools/perf/util/unwind-libdw.c
> > create mode 100644 tools/perf/util/unwind-libdw.h
>
> Pulled, thanks a lot Arnaldo!
>
> Btw., the build output looks weird now - on a system that used to pass
> all feature tests there's this output:
>
> BUILD: Doing 'make -j12' parallel build
> config/Makefile:288: No libdw DWARF unwind found, Please install
> elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR
>
> Auto-detecting system features:
> ... dwarf: [ on ]
> ... glibc: [ on ]
> ... gtk2: [ on ]
> ... libaudit: [ on ]
> ... libbfd: [ on ]
> ... libelf: [ on ]
> ... libnuma: [ on ]
> ... libperl: [ on ]
> ... libpython: [ on ]
> ... libslang: [ on ]
> ... libunwind: [ on ]
> ... libdw-dwarf-unwind: [ OFF ]
> ... DWARF post unwind library: libunwind
>
> but:
>
> Package elfutils-devel-0.156-5.fc19.x86_64 already installed and latest version

forgot.. remote unwind in libdw is supported from version 0.158,
which I guess wasn't updated in FC19 yet

jirka


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