Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...

Pull perf/core improvements and fixes:

User visible changes:

  - 'perf bench mem' now prefaults unconditionally, no sense in
    providing modes where page faults are measured. (Ingo Molnar)

  - Harmonize -l/--nr_loops accross 'perf bench'. (Ingo Molnar)

  - Various 'perf bench' consistency improvements. (Ingo Molnar)

  - Suppress libtraceevent warnings in non-verbose 'perf test' mode.
    (Namhyung Kim)

  - Move some tracepoint event test error messages to the verbose mode
    of 'perf test'. (Namhyung Kim)

  - Make 'perf help' usage message consistent with other tools. (Yunlong Song)

Build fixes:

  - Fix 'perf bench' build with gcc 4.4.7. (Arnaldo Carvalho de Melo)

Infrastructure changes:

  - 'perf stat' prep work for the 'perf stat scripting' patchkit. (Jiri Olsa)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>