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

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

  * Backport libtraceevent plugin support from trace-cmd repository, with
    plugins for jbd2, hrtimer, kmem, kvm, mac80211, sched_switch, function,
    xen, scsi, cfg80211. From Jiri Olsa.

  * Retain bfd reference to lookup source line numbers, greatly optimizing, among
    other use cases, 'perf report -s srcline', from Adrian Hunter.

  * Do not disable source line lookup just because of one failure, from Adrian Hunter.

  * Fix random fd closing with no libelf, from Adrian Hunter.

  * Do not call perf_event__preprocess_sample() twice in 'perf script',
    from Adrian Hunter.

  * Several 'perf kvm' man page corrections, from Dongsheng Yang.

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