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

User visible changes:

  o Add +field argument support for --sort option (Jiri Olsa)

  o Do not access kallsyms when analyzing user binaries with 'probe' (Masami Hiramatsu)

  o Ignore stripped vmlinux and fallback to kallsyms (Anton Blanchard)

  o Add path to Ubuntu kernel debuginfo file (Anton Blanchard)

  o Disable kernel symbol demangling by default (Avi Kivity)

Infrastructure changes:

  o More intel PT prep work, from Adrian Hunter, including:

    - Let a user specify a PMU event without any config terms
    - Add perf-with-kcore script
    - Let default config be defined for a PMU
    - Add perf_pmu__scan_file()

  o "perf kvm stat report" improvements by Alexander Yarygin:
    o  Save pid string in opts.target.pid
    o  Enable the target.system_wide flag
    o  Unify the title bar output

  o Fix build issue on powerpc when DWARF support is disabled (Anton Blanchard)

  o Allow to specify lib compile variable for spec usage (Jiri Olsa)

  o Fix build on ARM (Stephane Eranian)

  o Fix build on powerpc when DWARF support is disabled (Anton Blanchard)

  o Don't include sys/poll.h directly (Arnaldo Carvalho de Melo)

  o Use ring buffer consume method to look like other tools (Arnaldo Carvalho de Melo)

  o Allow to specify lib compile variable for spec usage (Jiri Olsa)

  o Fix GNU-only grep usage in Makefile (John Spencer)

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