Merge tag 'perf-core-for-mingo-5.7-20200310' of git://git.kernel.org/pub/scm/linux...

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

perf stat:

  Jin Yao:

  - Show percore counts in per CPU output.

perf report:

  Jin Yao:

  - Allow selecting which block info columns to report and its order.

  - Support color ops to print block percents in color.

  - Fix wrong block address comparison in block_info__cmp().

perf annotate:

  Ravi Bangoria:

  - Get rid of annotation->nr_jumps, unused.

expr:

  Jiri Olsa:

  - Move expr lexer to flex.

llvm:

  Arnaldo Carvalho de Melo:

  - Add debug hint message about missing kernel-devel package.

core:

  Kan Liang:

  - Initial patches to support the recently added PERF_SAMPLE_BRANCH_HW_INDEX
    kernel feature.

  - Add check for unexpected use of reserved membrs in event attr, so that in
    the future older perf tools will complain instead of silently try to process
    unknown features.

libapi:

  Namhyung Kim:

  - Adopt cgroupsfs_find_mountpoint() from tools/perf/util/.

libperf:

  Michael Petlan:

  - Add counting example.

libtraceevent:

   Steven Rostedt (VMware):

  - Remove extra '\n' in print_event_time().

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