---

yaml --- r: 323633 b: refs/heads/master c: dc4552b h: refs/heads/master i: 323631: 2bc4828 v: v3
git-mirror · Aug 8, 2012 · ed20973 · ed20973
1 parent b226d99
commit ed20973
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Showing 3 changed files with 22 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7cb8863dd352f052e7b2b86a17410070d1b69af
+refs/heads/master: dc4552bf7176573ccf79af04ab8648b015738f4a
diff --git a/trunk/tools/perf/util/util.c b/trunk/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/trunk/tools/perf/util/util.h b/trunk/tools/perf/util/util.h
@@ -266,4 +266,6 @@ size_t hex_width(u64 v);
 
 char *rtrim(char *s);
 
+void dump_stack(void);
+
 #endif
Original file line number	Diff line number	Diff line change
Expand Up		@@ -266,4 +266,6 @@ size_t hex_width(u64 v);

		char rtrim(char s);

		void dump_stack(void);

		#endif