This series adds optimiztion for division by constants and updates the histogram trigger expression kselftests and documentation. It is dependent on the series at [1] and the fix at [2]; and can be applied on top of those after dropping the patch 7 in [1]. [1] https://lore.kernel.org/r/20211025200852.3002369-1-kaleshsingh@xxxxxxxxxx/ [2] https://lore.kernel.org/r/20211028170548.2597449-1-kaleshsingh@xxxxxxxxxx/ Kalesh Singh (4): tracing/histogram: Optimize division by constants (v2) tracing/histogram: Update division by 0 documentation (v1) tracing/histogram: Document hist trigger variables (v3) tracing/selftests: Add tests for hist trigger expression parsing (v7) Documentation/trace/histogram.rst | 3 +- kernel/trace/trace.c | 11 ++ kernel/trace/trace_events_hist.c | 117 +++++++++++++++++- .../trigger/trigger-hist-expressions.tc | 63 ++++++++++ 4 files changed, 192 insertions(+), 2 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc -- 2.33.1.1089.g2158813163f-goog
