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Date: Wed, 17 Dec 2014 11:50:35 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Adrian Hunter <adrian.hunter@...el.com>,
Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
Don Zickus <dzickus@...hat.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
Mitchell Krome <mitchellkrome@...il.com>,
Namhyung Kim <namhyung@...nel.org>,
Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <peterz@...radead.org>,
Stephane Eranian <eranian@...gle.com>
Subject: Re: [GIT PULL 00/18] perf/core improvements and fixes
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@...hat.com>
>
> ----------------------------------------------------------------
> 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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