Re: [GIT PULL 0/6] perf/core improvements and fixes
From: Ingo Molnar
Date: Tue Sep 01 2015 - 04:26:38 EST
* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> 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@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> 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
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