trap: warmup backtrace()

diff --git a/src/trap.c b/src/trap.c
index af3f2cd30a2aeb475de538d7e750f686055f8376..f76fb98d1c4891a01af1d191562f5b9da958fa8d 100644 (file)
--- a/src/trap.c
+++ b/src/trap.c
@@ -294,6 +294,11 @@ trap_init(const char *ver)
 
   dl_iterate_phdr(callback, NULL);
   
+#if ENABLE_EXECINFO
+  void *frames[MAXFRAMES];
+  /* warmup backtrace allocators */
+  backtrace(frames, MAXFRAMES);
+#endif
 
   memset(&sa, 0, sizeof(sa));