1 files changed, 66 insertions, 0 deletions
diff --git a/src/util/perf_malloc.c b/src/util/perf_malloc.c
new file mode 100644
index 0000000..31f08df
--- /dev/null
+++ b/src/util/perf_malloc.c
@@ -0,0 +1,66 @@
+/*
+     This file is part of GNUnet.
+     (C) 2012 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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 2, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @author Christian Grothoff
+ * @file util/perf_malloc.c
+ * @brief measure performance of allocation functions
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_time_lib.h"
+#include <gauger.h>
+
+static uint64_t 
+perfMalloc ()
+{
+  size_t i;
+  uint64_t ret;
+
+  ret = 0;
+  for (i=1;i<1024 * 1024;i+=1024)
+    {
+      ret += i;
+      GNUNET_free (GNUNET_malloc (i));
+    }
+  return ret;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  struct GNUNET_TIME_Absolute start;
+  uint64_t kb;
+
+  start = GNUNET_TIME_absolute_get ();
+  kb = perfMalloc ();
+  printf ("Malloc perf took %llu ms\n",
+          (unsigned long long)
+          GNUNET_TIME_absolute_get_duration (start).rel_value);
+  GAUGER ("UTIL", "Allocation",
+          kb / 1024 / (1 +
+                              GNUNET_TIME_absolute_get_duration
+                              (start).rel_value), "kb/s");
+  return 0;
+}
+
+/* end of perf_malloc.c */