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    Subject[PATCHv4 0/4] perf tool: Add new event group management
    Date
    hi,
    adding support for creating event groups based on the way they
    are specified on the command line.

    This patchset adds the '{}' style grammar to express event group,
    allowing so far only the 'event modifier' as group modifier.

    v4 changes:
    - group modifier updates events modifiers (not overwrite as in v3)

    Attached patches:
    perf, tool: Add support to parse event group syntax
    perf, tool: Add support to update event modifier
    perf, tool: Enable grouping logic for parsed events
    perf, test: Add automated tests for event group parsing

    wbr,
    jirka
    ---
    tools/perf/builtin-record.c | 13 ++-
    tools/perf/builtin-stat.c | 13 ++-
    tools/perf/builtin-test.c | 8 +-
    tools/perf/builtin-top.c | 12 +--
    tools/perf/util/evlist.c | 20 ++---
    tools/perf/util/evlist.h | 3 +-
    tools/perf/util/evsel.c | 51 +++++++----
    tools/perf/util/evsel.h | 13 +--
    tools/perf/util/parse-events-test.c | 303 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
    tools/perf/util/parse-events.c | 104 +++++++++++++++++++---
    tools/perf/util/parse-events.h | 5 +-
    tools/perf/util/parse-events.l | 2 +
    tools/perf/util/parse-events.y | 93 +++++++++++++++++---
    tools/perf/util/python.c | 7 +-
    14 files changed, 552 insertions(+), 95 deletions(-)


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