diff --git a/core/ptr_trace.h b/core/ptr_trace.h
index bdc99a6d..f7f07a4e 100644
--- a/core/ptr_trace.h
+++ b/core/ptr_trace.h
@@ -70,8 +70,14 @@ static inline void ptr_trace_try_register_dump(void) {
 #else
     if (g_ptr_trace_dump_registered) return;
     g_ptr_trace_dump_registered = 1;
-    const char* env = getenv("HAKMEM_PTR_TRACE_DUMP");
-    if (!(env && *env && *env != '0')) return;
+
+    // Gate ENV check behind !HAKMEM_BUILD_RELEASE
+    static int g_dump_enabled = -1;
+    if (__builtin_expect(g_dump_enabled == -1, 0)) {
+        const char* env = getenv("HAKMEM_PTR_TRACE_DUMP");
+        g_dump_enabled = (env && *env && *env != '0') ? 1 : 0;
+    }
+    if (!g_dump_enabled) return;
     atexit(ptr_trace_dump);
 #endif
 }
@@ -84,8 +90,9 @@ static inline void ptr_trace_dump_now(const char* reason) {
     (void)reason;
     return;
 #else
+    // Gate ENV check behind !HAKMEM_BUILD_RELEASE
     static int verbose_mode = -1;
-    if (verbose_mode == -1) {
+    if (__builtin_expect(verbose_mode == -1, 0)) {
         const char* env = getenv("HAKMEM_PTR_TRACE_VERBOSE");
         verbose_mode = (env && *env && *env != '0') ? 1 : 0;
     }