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Message-ID: <20140227120436.GD9614@krava.brq.redhat.com> Date: Thu, 27 Feb 2014 13:04:36 +0100 From: Jiri Olsa <jolsa@...hat.com> To: Ingo Molnar <mingo@...nel.org> Cc: Arnaldo Carvalho de Melo <acme@...radead.org>, linux-kernel@...r.kernel.org, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Adrian Hunter <adrian.hunter@...el.com>, Cody P Schafer <cody@...ux.vnet.ibm.com>, Corey Ashford <cjashfor@...ux.vnet.ibm.com>, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, Jean Pihet <jean.pihet@...aro.org>, Mike Galbraith <efault@....de>, Namhyung Kim <namhyung@...nel.org>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <peterz@...radead.org>, Stephane Eranian <eranian@...gle.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: Re: [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@...radead.org> wrote: > > > From: Arnaldo Carvalho de Melo <acme@...stprotocols.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@...hat.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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