GDB perf test on backtrace

gdb/testsuite/

2013-11-25  Yao Qi  <yao@codesourcery.com>

	* gdb.perf/backtrace.c: New.
	* gdb.perf/backtrace.exp: New.
	* gdb.perf/backtrace.py: New.

1 files changed, 54 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.perf/backtrace.c b/gdb/testsuite/gdb.perf/backtrace.c
new file mode 100644
index 0000000..958a23f
--- /dev/null
+++ b/gdb/testsuite/gdb.perf/backtrace.c
@@ -0,0 +1,54 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright (C) 2013 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+struct s
+{
+  int a[256];
+  char c[256];
+};
+
+static void
+fun2 (void)
+{
+
+}
+
+static void
+fun1 (int i, int j, long k, struct s ss)
+{
+  /* Allocate local variables on stack.  */
+  struct s s1;
+
+  if (i < BACKTRACE_DEPTH)
+    fun1 (i + 1, j + 2, k - 1, ss);
+  else
+    {
+      int ii;
+
+      for (ii = 0; ii < 10; ii++)
+	fun2 ();
+    }
+}
+
+int
+main (void)
+{
+  struct s ss;
+
+  fun1 (0, 0, 200, ss);
+  return 0;
+}