Merge tag 'perf-core-for-mingo-5.4-20190901' of...

Merge tag 'perf-core-for-mingo-5.4-20190901' 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:

objtool:

  Josh Poimboeuf:

  - Move x86 insn decoder to a common location.

  Arnaldo Carvalho de Melo:

  - Ignore intentional differences for the x86 insn decoder.

build:

  Arnaldo Carvalho de Melo:

  - Ignore intentional differences for the x86 insn decoder.

Intel PT:

  Josh Poimboeuf:

  - Use shared x86 insn decoder.

metric groups:

  Jin Yao:

  - Scale the metric result.

  - Support multiple events.

perf c2c:

  Jiri Olsa:

  - Display proper cpu count in nodes column.

Miscellaneous:

  Kyle Meyer:

  - Replace MAX_NR_CPUS with perf_env::nr_cpus_online, i.e. with
    the number of online CPUs as detected at tool start and/or
    recorded in the perf.data file.

libtraceevent:

  Tzvetomir Stoyanov:

  - Simplify the tep_print_event_* APIs.

  - Remove tep_register_trace_clock().

  - Change users plugin directory.

Cleanups:

  Arnaldo Carvalho de Melo:

  - Continue taming the includes hell: remove needless include directives, fix
    the fallout, rinse, repeat.

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