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gh-153293: Clear opcode statistics in the live profiler's reset_stats() #153295

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gh-153293: Clear opcode statistics in the live profiler's reset_stats() #153295

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1 change: 1 addition & 0 deletions Lib/profiling/sampling/live_collector/collector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -702,6 +702,7 @@ def build_stats_list(self):
def reset_stats(self):
"""Reset all collected statistics."""
self.result.clear()
self.opcode_stats.clear()
self.per_thread_data.clear()
self.thread_ids.clear()
self.view_mode = "ALL"
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2 changes: 2 additions & 0 deletions Lib/test/test_profiling/test_sampling_profiler/test_live_collector_interaction.py
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Expand Up @@ -99,6 +99,7 @@ def test_reset_stats(self):
"cumulative_calls": 75,
"total_rec_calls": 0,
}
self.collector.opcode_stats[("test.py", 1, "func")][100] = 5

# Reset
self.collector.reset_stats()
Expand All @@ -107,6 +108,7 @@ def test_reset_stats(self):
self.assertEqual(self.collector.successful_samples, 0)
self.assertEqual(self.collector.failed_samples, 0)
self.assertEqual(len(self.collector.result), 0)
self.assertEqual(len(self.collector.opcode_stats), 0)

def test_increase_refresh_rate(self):
"""Test increasing refresh rate (faster updates)."""
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2026-07-07-22-06-52.gh-issue-153293.0DvYdc.rst
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@@ -0,0 +1,2 @@
Fix the live sampling profiler TUI keeping stale aggregated opcode
statistics after a stats reset.
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