Merge tag 'perf-core-for-mingo-5.5-20191128' of git:// into perf/urgent

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

perf script:

  Adrian Hunter:

  - Fix brstackinsn for AUXTRACE.

  - Fix invalid LBR/binary mismatch error.

perf diff:

  Arnaldo Carvalho de Melo:

  - Use llabs() with 64-bit values, fixing the build in some 32-bit

perf pmu:

  Andi Kleen:

  - Use file system cache to optimize sysfs access.


  Adrian Hunter:

  - Add some more Intel instructions to the opcode map and to the perf
    test entry:

      gf2p8affineinvqb, gf2p8affineqb, gf2p8mulb, v4fmaddps,
      v4fmaddss, v4fnmaddps, v4fnmaddss, vaesdec, vaesdeclast, vaesenc,
      vaesenclast, vcvtne2ps2bf16, vcvtneps2bf16, vdpbf16ps,
      vgf2p8affineinvqb, vgf2p8affineqb, vgf2p8mulb, vp2intersectd,
      vp2intersectq, vp4dpwssd, vp4dpwssds, vpclmulqdq, vpcompressb,
      vpcompressw, vpdpbusd, vpdpbusds, vpdpwssd, vpdpwssds, vpexpandb,
      vpexpandw, vpopcntb, vpopcntd, vpopcntq, vpopcntw, vpshldd, vpshldq,
      vpshldvd, vpshldvq, vpshldvw, vpshldw, vpshrdd, vpshrdq, vpshrdvd,
      vpshrdvq, vpshrdvw, vpshrdw, vpshufbitqmb.

perf affinity:

  Andi Kleen:

  - Add infrastructure to save/restore affinity

perf maps:

  Arnaldo Carvalho de Melo:

  - Merge 'struct maps' with 'struct map_groups', as there is a
    1x1 relationship, simplifying code overal.

perf build:

  Jiri Olsa:

  - Allow to link with libbpf dynamicaly.

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