From 52c9730542a141e152fc541cccac307b042489dc Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Fri, 3 Jul 2026 15:36:41 +0800
Subject: [PATCH] Tracer: query tid only when threading is enabled

---
 src/common/impl/tracer.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/common/impl/tracer.c b/src/common/impl/tracer.c
index a2951598f..498294e9f 100644
--- a/src/common/impl/tracer.c
+++ b/src/common/impl/tracer.c
@@ -122,10 +122,14 @@ __attribute__((no_instrument_function)) static void write_event(void* this_fn, b
     }
 
     events[idx].ts = get_time_us();
-#if _WIN32
+#if ENABLE_THREADS
+    #if _WIN32
     events[idx].tid = (uint64_t) GetCurrentThreadId();
-#else
+    #else
     events[idx].tid = (uint64_t) (uintptr_t) pthread_self();
+    #endif
+#else
+    events[idx].tid = 0;
 #endif
     events[idx].func = this_fn;
     if (is_exit) {