2 files changed, 21 insertions, 0 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d03599fbe78b..1b8775c3707d 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,6 +1,9 @@
 #include "../perf.h"
 #include "util.h"
 #include <sys/mman.h>
+#include <execinfo.h>
+#include <stdio.h>
+#include <stdlib.h>
 
 /*
  * XXX We need to find a better place for these things...
@@ -158,3 +161,19 @@ size_t hex_width(u64 v)
 
         return n;
 }
+
+/* Obtain a backtrace and print it to stdout. */
+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);
+}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index b13c7331eaf8..00a93a91a235 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -266,4 +266,6 @@ size_t hex_width(u64 v);
 
 char *rtrim(char *s);
 
+void dump_stack(void);
+
 #endif