Merge tag 'perf-core-for-mingo-20160303' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes:

User visible changes:

 - Check existence of frontend/backed stalled cycles in 'perf stat' (Andi Kleen)

 - Implement CSV metrics output in 'perf stat' (Andi Kleen)

 - Support metrics in 'perf stat' --per-core/socket mode (Andi Kleen)

 - Avoid installing .o files from tools/lib/ into the python extension (Jiri Olsa)

 - Rename the tracepoint '/format' field that carries the syscall ID from 'nr',
   that is also the name of some syscalls arguments, to "__syscall_nr", to
   avoid having multiple fields with the same name, that was breaking the
   python script skeleton generator from perf.data files (Taeung Song)

 - Support converting data from bpf events in 'perf data' (Wang Nan)

 - Fix segfault in 'perf test' hists related entries (Arnaldo Carvalho de Melo)

 - Fix output of %llu for 64 bit values read on 32 bit machines in libtraceevent (Steven Rostedt)

 - Fix time stamp rounding issue in libtraceevent (Chaos.Chen)

Infrastructure changes:

 - Fix setlocale() breakage in the pmu parsing code (Jiri Olsa)

 - Split libtraceevent's pevent_print_event() (Steven Rostedt)

 - Librarize some 'perf record' bits to allow handling multiple perf.data
   files per session (Wang Nan)

 - Ensure return non-zero rc when mmap fails in 'perf record' (Wang Nan)

 - Fix double free on 'command_line' in a error path in 'perf script' (Colin Ian King)

 - Initialize struct sigaction 'sa_flags' field in a 'perf test' entry (Colin Ian King)

 - Fix various build warnings in turbostat, detected with gcc6 (Colin Ian King)

 - Use .s extension for preprocessed assembler code (Masahiro Yamada)

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

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