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Date: Tue, 16 Dec 2014 13:57:02 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...nel.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>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/18] perf/core improvements and fixes
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
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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