[PATCH v1 0/2] perf tool_pmu: Support enable/disable for tool PMU events

[Ian Rogers <irogers@google.com>]

A regression in perf stat was reported where tool PMU events (like
duration_time used in CPUs_utilized metric) incorrectly included the
delay period when using the delay option (-D).

This series fixes the regression by making tool PMU events
(duration_time, user_time, system_time) behave more like regular
counters by implementing proper enable and disable support. They now
correctly accumulate values only when enabled.

The first patch implements the core enable/disable support for tool PMU
events, and the second patch adds a shell test to verify that
duration_time correctly excludes the delay period.

Ian Rogers (2):
  perf tool_pmu: Make tool PMU events respect enable/disable
  perf tests: Add test for stat delay option with duration_time

 tools/perf/tests/shell/stat.sh |  33 +++++
 tools/perf/util/evsel.c        |  85 +++++++------
 tools/perf/util/evsel.h        |  10 +-
 tools/perf/util/tool_pmu.c     | 212 ++++++++++++++++++++++++---------
 tools/perf/util/tool_pmu.h     |   2 +
 5 files changed, 249 insertions(+), 93 deletions(-)

-- 
2.54.0.631.ge1b05301d1-goog