Merge tag 'perf-core-for-mingo-4.17-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

- Show only failing syscalls with 'perf trace --failure' (Arnaldo Carvalho de Melo)

	e.g: See what 'openat' syscalls are failing:

  # perf trace --failure -e openat
   762.323 ( 0.007 ms): VideoCapture/4566 openat(dfd: CWD, filename: /dev/video2) = -1 ENOENT No such file or directory
   <SNIP N /dev/videoN open attempts... sigh, where is that improvised camera lid?!? >
   790.228 ( 0.008 ms): VideoCapture/4566 openat(dfd: CWD, filename: /dev/video63) = -1 ENOENT No such file or directory
  ^C#

- Show information about the event (freq, nr_samples, total period/nr_events) in
  the annotate --tui and --stdio2 'perf annotate' output, similar to the
  first line in the 'perf report --tui', but just for the samples for a
  the annotated symbol (Arnaldo Carvalho de Melo)

- Introduce 'perf version --build-options' to show what features were
  linked, aliased as well as a shorter 'perf -vv' (Jin Yao)

- Add a "dso_size" sort order (Kim Phillips)

- Remove redundant ')' in the tracepoint output in 'perf trace' (Changbin Du)

- Synchronize x86's cpufeatures.h, no effect on toolss (Arnaldo Carvalho de Melo)

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

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