Re: [GIT PULL 00/18] perf/core improvements and fixes

[Arnaldo Carvalho de Melo]

Em Tue, Dec 16, 2014 at 01:57:02PM -0300, Arnaldo Carvalho de Melo escreveu:
> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 41e950c033b7df997d4b38653efe6554be9b96a7:
> 
>   Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2014-12-12 09:09:52 +0100)
> 
> are available in the git repository at:
> 
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo

Ingo,

	Please consider pulling the perf-core-for-mingo-2 signed tag
instead, it is exactly the same content modulo removal of some
whitespaces at the end of a few lines in tools/perf/Makefile.perf that
Jiri found while reading those patches,

Thanks,

- Arnaldo
 
> for you to fetch changes up to 67195c75a87232f055ff415fc4624ef01f24fc3d:
> 
>   perf symbols: Fix use after free in filename__read_build_id (2014-12-16 13:38:28 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - The mmap address range for the ring buffer now is calculated using the
>   contents of /proc/sys/kernel/perf_event_mlock_kb.
> 
>   This fixes an -EPERM case where 'trace' was trying to use more than what
>   configured on perf_event_mlock_kb. (Arnaldo Carvalho de Melo)
> 
> Infrastructure:
> 
> - Move bitops definitions so that they match the header file hierarchy
>   in the kernel sources where that code came from. (Arnaldo Carvalho de Melo)
> 
> - Adopt round{down,up}_pow_of_two from the kernel and use it instead of
>   equivalent code, so that we reuse more kernel code and make tools/ look
>   more like kernel source code, to encourage further contributions from
>   kernel hackers (Arnaldo Carvalho de Melo)
> 
> - Fix use after free in filename__read_build_id (Mitchell Krome)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (17):
>       perf evlist: Fixup brown paper bag on "hint" for --mmap-pages cmdline arg
>       perf evlist: Clarify sterror_mmap variable names
>       perf evlist: Improve the strerror_mmap method
>       perf trace: Let the perf_evlist__mmap autosize the number of pages to use
>       perf evlist: Do not use hard coded value for a mmap_pages default
>       tools: Move __ffs implementation to tools/include/asm-generic/bitops/__ffs.h
>       tools: Move code originally from linux/log2.h to tools/include/linux/
>       tools: Move code originally from asm-generic/atomic.h into tools/include/asm-generic/
>       tools: Whitespace prep patches for moving bitops.h
>       tools lib: Move asm-generic/bitops/find.h code to tools/include and tools/lib
>       tools: Introduce asm-generic/bitops.h
>       tools: Move bitops.h from tools/perf/util to tools/
>       tools: Adopt fls_long and deps
>       tools: Adopt rounddown_pow_of_two and deps
>       perf tools: Make the mmap length autotuning more robust
>       tools: Adopt roundup_pow_of_two
>       perf evlist: Use roundup_pow_of_two
> 
> Mitchell Krome (1):
>       perf symbols: Fix use after free in filename__read_build_id
> 
>  tools/include/asm-generic/bitops.h        |  27 +++++
>  tools/include/asm-generic/bitops/__ffs.h  |  43 +++++++
>  tools/include/asm-generic/bitops/__fls.h  |   1 +
>  tools/include/asm-generic/bitops/atomic.h |  22 ++++
>  tools/include/asm-generic/bitops/find.h   |  33 ++++++
>  tools/include/asm-generic/bitops/fls.h    |   1 +
>  tools/include/asm-generic/bitops/fls64.h  |   1 +
>  tools/include/linux/bitops.h              |  53 +++++++++
>  tools/include/linux/log2.h                | 185 ++++++++++++++++++++++++++++++
>  tools/lib/util/find_next_bit.c            |  89 ++++++++++++++
>  tools/perf/MANIFEST                       |  13 ++-
>  tools/perf/Makefile.perf                  |  14 ++-
>  tools/perf/builtin-trace.c                |   2 +-
>  tools/perf/util/evlist.c                  |  46 ++++++--
>  tools/perf/util/include/linux/bitops.h    | 162 --------------------------
>  tools/perf/util/symbol-minimal.c          |   8 +-
>  tools/perf/util/util.h                    |  29 -----
>  17 files changed, 522 insertions(+), 207 deletions(-)
>  create mode 100644 tools/include/asm-generic/bitops.h
>  create mode 100644 tools/include/asm-generic/bitops/__ffs.h
>  create mode 100644 tools/include/asm-generic/bitops/__fls.h
>  create mode 100644 tools/include/asm-generic/bitops/atomic.h
>  create mode 100644 tools/include/asm-generic/bitops/find.h
>  create mode 100644 tools/include/asm-generic/bitops/fls.h
>  create mode 100644 tools/include/asm-generic/bitops/fls64.h
>  create mode 100644 tools/include/linux/bitops.h
>  create mode 100644 tools/include/linux/log2.h
>  create mode 100644 tools/lib/util/find_next_bit.c
>  delete mode 100644 tools/perf/util/include/linux/bitops.h
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