Merge tag 'perf-urgent-for-mingo-5.6-20200214' of git:// into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:


  Arnaldo Carvalho de Melo:

  - Fix script used to obtain kernel make directives to work with new kbuild
    used for building BPF programs.


  Jiri Olsa:

  - Fixup kmap->kmaps backpointer in kernel maps.


  John Garry:

  - Add arm64 version of get_cpuid() to get proper, arm64 specific output from
    'perf list' and other tools.

perf top:

  Kim Phillips:

  - Update kernel idle symbols so that output in AMD systems is in line with
    other systems.

perf stat:

  Kim Phillips:

  - Don't report a null stalled cycles per insn metric.

tools headers:

  Arnaldo Carvalho de Melo:

  - Sync tools/ headers with the kernel sources to get things like syscall
    numbers and new arguments so that 'perf trace' can decode and use them in
    tracepoint filters, e.g. prctl's new PR_{G,S}ET_IO_FLUSHER options.

Signed-off-by: Arnaldo Carvalho de Melo <>
Signed-off-by: Ingo Molnar <>