pytrace: fix segfault for free-threading python

xerothermic · anakryiko · commit 6616211c276b · 2026-04-30T16:06:20.000-07:00
Signed-off-by: Patrick Lu &lt;perf.patrick.lu@gmail.com&gt;
diff --git a/src/inj_pytrace.c b/src/inj_pytrace.c
@@ -267,7 +267,7 @@ static int pytrace_profile_callback(PyObject *obj, PyFrameObject *frame, int wha
 		return 0;
 	}
 
-	pytrace_event_cnt++;
+	atomic_add(&pytrace_event_cnt, 1);
 	return 0;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -267,7 +267,7 @@ static int pytrace_profile_callback(PyObject obj, PyFrameObject frame, int wha`
`267`	`267`	`return 0;`
`268`	`268`	`}`
`269`	`269`
`270`		`- pytrace_event_cnt++;`
	`270`	`+ atomic_add(&pytrace_event_cnt, 1);`
`271`	`271`	`return 0;`
`272`	`272`	`}`
`273`	`273`