[PATCH v2 0/4] perf bpf: Improve error code delivering and output

[Wang Nan]

This patchset is based on perf/core
(commit bebd23a2ed31d47e7dd746d3b125068aa2c42d85 in Arnaldo's tree).

Compare with v1 [1], this patchset changes error reporting convention
and the user of it at one same patch, avoid NULL checking in perf.

Wang Nan (4):
  perf test: Keep test result clean if '-v' not set
  perf tools: Mute libbpf when '-v' not set
  bpf tools: Improve libbpf error reporting
  perf tools: Improve BPF related error messages output

 tools/lib/bpf/libbpf.c             | 149 +++++++++++++++++++++++++------------
 tools/lib/bpf/libbpf.h             |  12 +++
 tools/perf/tests/attr.c            |   3 +-
 tools/perf/tests/code-reading.c    |   8 +-
 tools/perf/tests/keep-tracking.c   |   4 +-
 tools/perf/tests/llvm.c            |  13 ++--
 tools/perf/tests/switch-tracking.c |   4 +-
 tools/perf/util/bpf-loader.c       | 110 +++++++++++++++++++++++----
 tools/perf/util/bpf-loader.h       |  18 +++++
 tools/perf/util/parse-events.c     |  11 +--
 10 files changed, 245 insertions(+), 87 deletions(-)

-- 
1.8.3.4

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