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    Subject[PATCH v4 0/4] perf util: bpf perf improvements
    Date
    This patches set improves bpf_perf (perf-stat --bpf-counter) by
    1) exposing key definitions to a libperf header;
    2) adding compatibility check for perf_attr_map;
    3) introducing config stat.bpf-counter-events.
    4) introducing 'b' modify to event parser.

    Changes v3 => v4:
    1. Improve the logic that decides when to skip read_affinity_counters().
    (Jiri)
    2. Clean up a condition in bpf_counters.c:read_counters(). (Jiri)

    Changes v2 => v3:
    1. Add 'b' modifier. (Jiri)
    2. Allow configuring stat.bpf-counter-events with any event name (instead
    of limiting to hardware events). (Jiri)

    Changes v1 => v2:
    1. Separte 2/3 from 1/3. (Jiri)
    2. Rename bperf.h to bpf_perf.h. (Jiri)
    3. Other small fixes/optimizations. (Jiri)

    Song Liu (4):
    perf util: move bpf_perf definitions to a libperf header
    perf bpf: check perf_attr_map is compatible with the perf binary
    perf-stat: introduce config stat.bpf-counter-events
    perf-stat: introduce ':b' modifier

    tools/lib/perf/include/perf/bpf_perf.h | 31 ++++++++++++++++
    tools/perf/Documentation/perf-stat.txt | 2 ++
    tools/perf/builtin-stat.c | 40 ++++++++++++---------
    tools/perf/util/bpf_counter.c | 49 +++++++++++++-------------
    tools/perf/util/config.c | 4 +++
    tools/perf/util/evsel.c | 22 ++++++++++++
    tools/perf/util/evsel.h | 9 +++++
    tools/perf/util/parse-events.c | 8 ++++-
    tools/perf/util/parse-events.l | 2 +-
    tools/perf/util/target.h | 5 ---
    10 files changed, 123 insertions(+), 49 deletions(-)
    create mode 100644 tools/lib/perf/include/perf/bpf_perf.h

    --
    2.30.2

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