1 files changed, 25 insertions, 0 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d03599fbe78b..2055cf38041c 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,6 +1,11 @@
 #include "../perf.h"
 #include "util.h"
 #include <sys/mman.h>
+#ifndef NO_BACKTRACE
+#include <execinfo.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
 
 /*
  * XXX We need to find a better place for these things...
@@ -158,3 +163,23 @@ size_t hex_width(u64 v)
 
         return n;
 }
+
+/* Obtain a backtrace and print it to stdout. */
+#ifndef NO_BACKTRACE
+void dump_stack(void)
+{
+        void *array[16];
+        size_t size = backtrace(array, ARRAY_SIZE(array));
+        char **strings = backtrace_symbols(array, size);
+        size_t i;
+
+        printf("Obtained %zd stack frames.\n", size);
+
+        for (i = 0; i < size; i++)
+                printf("%s\n", strings[i]);
+
+        free(strings);
+}
+#else
+void dump_stack(void) {}
+#endif