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:

New features:

  - Deref sys_enter pointer args with contents from probe:vfs_getname, showing
    pathnames instead of pointers in many syscalls in 'perf trace'. (Arnaldo Carvalho de Melo)

  - Make 'perf trace' write to stderr by default, just like 'strace'. (Milian Woff)

Infrastructure changes:

  - color_vfprintf() fixes. (Andi Kleen, Jiri Olsa)

  - Allow enabling/disabling PERF_SAMPLE_TIME per event. (Kan Liang)

  - Fix build errors with mipsel-linux-uclibc compiler. (Petri Gynther)

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