[PATCH 0/7 V4] perf: Enable mmap2 and add dcacheline sorting

[Don Zickus]

These patches enable mmap2 support in the kernel and perf to
allow support for data cacheline sorting.

Note: I haven't been able to reproduce Jiri's perf hang yet, so I don't
have a patch for that particular problem yet.

V4: reworked setting up cacheline size (Jiri Olsa)

V3: added patch to get cacheline size at runtime
    updated some changelogs
    fix a test failure (after install libunwind-devel)
    fix header column length

V2: change cacheline to dcacheline (Namhyung Kim)
    change dcacheline alogorithm a bit
    re-order mmap2 patches (Namhyung Kim)
    provide documentation (Andi Kleen)

Don Zickus (7):
  events, perf: Pass protection and flags bits through mmap2 interface
  Revert "perf: Disable PERF_RECORD_MMAP2 support"
  perf: Update mmap2 interface with protection and flag bits
  perf report: Add mem-mode documentation to report command
  perf: Add cpumode to struct hist_entry
  perf: Add support to dynamically get cacheline size
  perf: Add dcacheline sort

 include/uapi/linux/perf_event.h          |   1 +
 kernel/events/core.c                     |  37 +++++++++--
 tools/perf/Documentation/perf-report.txt |  23 +++++++
 tools/perf/builtin-report.c              |   2 +-
 tools/perf/perf.c                        |   5 ++
 tools/perf/tests/dwarf-unwind.c          |   2 +-
 tools/perf/util/cpumap.c                 |  27 ++++++++
 tools/perf/util/cpumap.h                 |   3 +
 tools/perf/util/event.c                  |  59 +++++++++++------
 tools/perf/util/event.h                  |   2 +
 tools/perf/util/evsel.c                  |   1 +
 tools/perf/util/hist.c                   |   9 ++-
 tools/perf/util/hist.h                   |   1 +
 tools/perf/util/machine.c                |   4 +-
 tools/perf/util/map.c                    |   4 +-
 tools/perf/util/map.h                    |   4 +-
 tools/perf/util/sort.c                   | 108 +++++++++++++++++++++++++++++++
 tools/perf/util/sort.h                   |   2 +
 tools/perf/util/util.c                   |   1 +
 tools/perf/util/util.h                   |   1 +
 20 files changed, 265 insertions(+), 31 deletions(-)

-- 
1.7.11.7

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