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Feature #7473

closed

new events for TracePoint thread_begin/end, b_call/b_end

Added by ko1 (Koichi Sasada) about 12 years ago. Updated almost 12 years ago.

Status:
Closed
Assignee:
ko1 (Koichi Sasada)
Target version:
2.0.0
[ruby-core:50346]

Description

On the trunk, there are new 4 events for TracePoint.

* vm_trace.c: add events
  * :thread_begin - hook at thread beggining.
  * :thead_end - hook at thread ending.
  * :b_call - hook at block enter.
  * :b_return - hook at block leave.
  This change slow down block invocation.
  Please try and give us feedback until 2.0 code freeze.

b_call and b_return are proposed at [Feature #6649].

On my environment, b_call/b_return cause 15% speed-down with
null block invocation micro-benchmark.

Please try and give us feedback.
It is easy to revert until code freeze.

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