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

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

User visible changes:

  * Do not show +/- callchain expansion when there are no childs (top/report) (Namhyung Kim)

  * Fix -z and add respective 'z' hotkey to zero samples before refresh
    in 'perf top' (Namhyung Kim)

  * Capability probing fixes, improving the detection of
    kernel features for non-priviledged users (Adrian Hunter)

  * Add beautifier for mremap flags param in 'trace' (Alex Snast)

  * Fix --list and --del options to show events when just uprobes is
    enabled (Masami Hiramatsu)

  * perf script: Allow callchains if any event samples them

  * Don't look for kernel idle symbols in all DSOs in 'perf top' (Arnaldo Carvalho de Melo)

  * Add cpu_startup_entry to the list of kernel idle symbols (Arnaldo Carvalho de Melo)

  * 'perf top' terminal output fixes (Jiri Olsa)

  * Fix stdin handling for 'perf kvm stat live' (Jiri Olsa)

  * Fix missing label symbols (Adrian Hunter)

  * Don't demangle C++ parameters and such by default, only in
    --verbose mode (Namhyung Kim)

  * Set proper sort__mode for the branch option (Naohiro Aota)

  * Check recorded kernel version when finding vmlinux (Namhyung Kim)

Infrastructure changes:

  * More prep work for intel PT (Adrian Hunter)

  * Fix possible memory leaks (Namhyung Kim)

  * Fix a memory leak in vmlinux_path__init() (Namhyung Kim)

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