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gh-138122: Add thread status statistics to flamegraph profiler (#141900)

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Co-authored-by: ivonastojanovic <80911834+ivonastojanovic@users.noreply.github.com>
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Pablo Galindo Salgado 2025-11-30 01:42:39 +00:00 • committed by GitHub
parent db098a475a
commit ea51e745c7
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8 changed files with 777 additions and 21 deletions
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Lib/profiling/sampling/sample.py
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@ -31,6 +31,7 @@ def __init__(self, pid, sample_interval_usec, all_threads, *, mode=PROFILING_MOD
self.pid = pid
self.sample_interval_usec = sample_interval_usec
self.all_threads = all_threads
self.mode = mode # Store mode for later use
if _FREE_THREADED_BUILD:
self.unwinder = _remote_debugging.RemoteUnwinder(
self.pid, all_threads=self.all_threads, mode=mode, native=native, gc=gc,
@ -117,7 +118,7 @@ def sample(self, collector, duration_sec=10):
# Pass stats to flamegraph collector if it's the right type
if hasattr(collector, 'set_stats'):
collector.set_stats(self.sample_interval_usec, running_time, sample_rate, error_rate)
collector.set_stats(self.sample_interval_usec, running_time, sample_rate, error_rate, mode=self.mode)
expected_samples = int(duration_sec / sample_interval_sec)
if num_samples < expected_samples and not is_live_mode: