Re: [GIT PULL 00/13] perf/core improvements and fixes

From: Ingo Molnar
Date: Tue Sep 09 2014 - 10:53:39 EST



* Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:

> On 09/09/2014 07:59 AM, Ingo Molnar wrote:
> >
> > * Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:
> >
> >> Hi Ingo,
> >>
> >> Please consider pulling,
> >>
> >> - Arnaldo
> >>
> >> The following changes since commit 39b5a56ec0be5effe9b7d0f18cb27724bf2e5d47:
> >>
> >> Merge branch 'rfc/perf' into perf/core, because it's ready for inclusion (2014-08-24 22:35:42 +0200)
> >>
> >> are available in the git repository at:
> >>
> >>
> >> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo
> >>
> >> for you to fetch changes up to fa3480cb0a96c8af9ded1a8c836c91bd5704bda1:
> >>
> >> perf tools: Add perf_pmu__scan_file() (2014-09-08 17:16:06 -0300)
> >>
> >> ----------------------------------------------------------------
> >> perf/core improvements and fixes:
> >>
> >> User visible:
> >>
> >> o Add +field argument support for --sort option (Jiri Olsa)
> >>
> >> Infrastructure:
> >>
> >> o More intel PT prep work, from Adrian Hunter, including:
> >>
> >> - Let a user specify a PMU event without any config terms
> >> - Add perf-with-kcore script
> >> - Build programs to copy 32-bit compatibility VDSOs
> >> - Add support for 32-bit compatibility VDSOs
> >> - Let default config be defined for a PMU
> >> - Add perf_pmu__scan_file()
> >>
> >> o Add feature checks to .gitignore (Alexander Shishkin)
> >>
> >> o "perf kvm stat report" improvements by Alexander Yarygin:
> >> o Save pid string in opts.target.pid
> >> o Enable the target.system_wide flag
> >> o Unify the title bar output
> >>
> >> o Fix build issue on powerpc when DWARF support is disabled (Anton Blanchard)
> >>
> >> o Allow to specify lib compile variable for spec usage (Jiri Olsa)
> >>
> >> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> >>
> >> ----------------------------------------------------------------
> >> Adrian Hunter (6):
> >> perf tools: Let a user specify a PMU event without any config terms
> >> perf tools: Add perf-with-kcore script
> >> perf tools: Build programs to copy 32-bit compatibility VDSOs
> >> perf tools: Add support for 32-bit compatibility VDSOs
> >> perf tools: Let default config be defined for a PMU
> >> perf tools: Add perf_pmu__scan_file()
> >>
> >> Alexander Shishkin (1):
> >> perf tools: Add feature checks to .gitignore
> >>
> >> Alexander Yarygin (3):
> >> perf kvm stat report: Save pid string in opts.target.pid
> >> perf kvm stat report: Enable the target.system_wide flag
> >> perf kvm stat report: Unify the title bar output
> >>
> >> Anton Blanchard (1):
> >> perf tools powerpc: Fix build issue when DWARF support is disabled
> >>
> >> Jiri Olsa (2):
> >> perf tools: Add +field argument support for --sort option
> >> perf tools: Allow to specify lib compile variable for spec usage
> >>
> >> tools/perf/.gitignore | 2 +
> >> tools/perf/Makefile.perf | 42 ++++++-
> >> tools/perf/arch/powerpc/Makefile | 2 +-
> >> tools/perf/builtin-kvm.c | 23 ++--
> >> tools/perf/config/Makefile | 33 ++++-
> >> tools/perf/config/Makefile.arch | 8 ++
> >> tools/perf/perf-read-vdso.c | 59 +++++++++
> >> tools/perf/perf-with-kcore.sh | 259 +++++++++++++++++++++++++++++++++++++++
> >> tools/perf/tests/pmu.c | 2 +-
> >> tools/perf/util/kvm-stat.h | 1 -
> >> tools/perf/util/parse-events.c | 13 +-
> >> tools/perf/util/parse-events.y | 10 ++
> >> tools/perf/util/pmu.c | 79 +++++++++---
> >> tools/perf/util/pmu.h | 12 +-
> >> tools/perf/util/sort.c | 37 +++++-
> >> tools/perf/util/vdso.c | 170 ++++++++++++++++++++++++-
> >> tools/perf/util/vdso.h | 4 +-
> >> 17 files changed, 712 insertions(+), 44 deletions(-)
> >> create mode 100644 tools/perf/perf-read-vdso.c
> >> create mode 100644 tools/perf/perf-with-kcore.sh
> >
> > Hm, so I'm getting this error, when trying to profile a 32-bit
> > ELF binary on a 64-bit kernel, on a testbox:
> >
> > $ perf record ~/hackbench 10
> > Time: 0.115
> > [ perf record: Woken up 1 times to write data ]
> > [ perf record: Captured and wrote 0.373 MB perf.data (~16279 samples) ]
> > sh: perf-read-vdso32: command not found
>
> Presumably perf-read-vdso32 is not in the PATH. Did you 'make install'?

I did 'make install' as usual - that's the only thing that I type
to install a new version of perf tooling.

Thanks,

Ingo
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