Re: [GIT PULL 0/6] perf/core improvements and fixes

[Ingo Molnar <mingo@kernel.org>]

* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit bac2e4a96d1c0bcce5e9654dcc902f75576b9b03:
> 
>   Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-08-31 10:25:46 +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 bcc84ec65ad1bd9f777a1fade6f8e5e0c5808fa5:
> 
>   perf record: Add ability to name registers to record (2015-08-31 18:01:33 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - Add ability to specify to select which registers to record,
>   to reduce the size of perf.data files, and also allow printing
>   the registers in 'perf script': (Stephane Eranian)
> 
>     # perf record --intr-regs=AX,SP usleep 1
>     [ perf record: Woken up 1 times to write data ]
>     [ perf record: Captured and wrote 0.016 MB perf.data (8 samples) ]
>     # perf script -F ip,sym,iregs | tail -5
>      ffffffff8105f42a native_write_msr_safe   AX:0xf    SP:0xffff8802629c3c00
>      ffffffff8105f42a native_write_msr_safe   AX:0xf    SP:0xffff8802629c3c00
>      ffffffff81761ac0 _raw_spin_lock   AX:0xffff8801bfcf8020    SP:0xffff8802629c3ce8
>      ffffffff81202bf8 __vma_adjust_trans_huge   AX:0x7ffc75200000    SP:0xffff8802629c3b30
>      ffffffff8122b089 dput   AX:0x101    SP:0xffff8802629c3c78
>     #
> 
> Infrastructure:
> 
> - Open event on evsel cpus and threads (Kan Liang)
> 
> - New bpf API to get name from a BPF object (Wang Nan)
> 
> Build fixes:
> 
> - Fix build on powerpc broken by pt/bts (Adrian Hunter)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> ----------------------------------------------------------------
> Adrian Hunter (1):
>       perf tools: Fix build on powerpc broken by pt/bts
> 
> Kan Liang (1):
>       perf evlist: Open event on evsel cpus and threads
> 
> Stephane Eranian (3):
>       perf script: Enable printing of interrupted machine state
>       perf/x86: Add list of register names
>       perf record: Add ability to name registers to record
> 
> Wang Nan (1):
>       bpf tools: New API to get name from a BPF object
> 
>  tools/lib/bpf/libbpf.c                             | 25 +++++++-
>  tools/lib/bpf/libbpf.h                             |  4 +-
>  tools/perf/Documentation/perf-record.txt           |  6 +-
>  tools/perf/Documentation/perf-script.txt           |  2 +-
>  tools/perf/arch/x86/util/Build                     |  1 +
>  tools/perf/arch/x86/util/perf_regs.c               | 30 +++++++++
>  tools/perf/builtin-record.c                        |  9 ++-
>  tools/perf/builtin-script.c                        | 31 +++++++++-
>  tools/perf/perf.h                                  |  2 +-
>  tools/perf/tests/llvm.c                            |  2 +-
>  tools/perf/util/Build                              |  2 +
>  tools/perf/util/evlist.c                           |  4 ++
>  tools/perf/util/evsel.c                            |  2 +-
>  .../util/intel-pt-decoder/intel-pt-insn-decoder.c  |  3 +
>  tools/perf/util/parse-regs-options.c               | 71 ++++++++++++++++++++++
>  tools/perf/util/parse-regs-options.h               |  5 ++
>  tools/perf/util/perf_regs.h                        |  7 +++
>  17 files changed, 193 insertions(+), 13 deletions(-)
>  create mode 100644 tools/perf/arch/x86/util/perf_regs.c
>  create mode 100644 tools/perf/util/parse-regs-options.c
>  create mode 100644 tools/perf/util/parse-regs-options.h

Pulled into tip:perf/urgent, thanks a lot Arnaldo!

	Ingo