xnu-1456.1.26.tar.gz

[apple/xnu.git] / tools / tests / libMicro / strlen.c

diff --git a/tools/tests/libMicro/strlen.c b/tools/tests/libMicro/strlen.c
new file mode 100644 (file)
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--- /dev/null
+++ b/tools/tests/libMicro/strlen.c
@@ -0,0 +1,143 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms
+ * of the Common Development and Distribution License
+ * (the "License").  You may not use this file except
+ * in compliance with the License.
+ *
+ * You can obtain a copy of the license at
+ * src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing
+ * permissions and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL
+ * HEADER in each file and include the License file at
+ * usr/src/OPENSOLARIS.LICENSE.  If applicable,
+ * add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your
+ * own identifying information: Portions Copyright [yyyy]
+ * [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libmicro.h"
+
+static int unaligned = 0;
+static int opts = 100;
+
+typedef struct {
+       int     ts_once;
+       char    *ts_string;
+       int     ts_fakegcc;
+} tsd_t;
+
+int
+benchmark_init()
+{
+
+       lm_tsdsize = sizeof (tsd_t);
+
+       (void) sprintf(lm_optstr, "s:n");
+
+       (void) sprintf(lm_usage,
+           "       [-s string size (default %d)]\n"
+           "       [-n causes unaligned strlen]\n"
+           "notes: measures strlen()\n",
+           opts);
+
+       (void) sprintf(lm_header, "%8s", "size");
+
+       return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+       switch (opt) {
+       case 'n':
+               unaligned = 1;
+               break;
+       case 's':
+               opts = sizetoll(optarg);
+               break;
+       default:
+               return (-1);
+       }
+       return (0);
+}
+
+int
+benchmark_initbatch(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+       static char             *demo =
+           "The quick brown fox jumps over the lazy dog.";
+
+       if (ts->ts_once++ == 0) {
+               int l = strlen(demo);
+               int i;
+
+               ts->ts_string = malloc(opts + 1 + unaligned);
+               ts->ts_string += unaligned;
+
+
+               for (i = 0; i < opts; i++) {
+                       ts->ts_string[i] = demo[i%l];
+               }
+
+               ts->ts_string[opts] = 0;
+
+       }
+       return (0);
+}
+
+int
+benchmark(void *tsd, result_t *res)
+{
+       int                     i;
+       tsd_t                   *ts = (tsd_t *)tsd;
+       char                    *src = ts->ts_string;
+
+       for (i = 0; i < lm_optB; i += 10) {
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+               ts->ts_fakegcc += strlen(src);
+       }
+
+       res->re_count = i;
+
+       return (0);
+}
+
+char *
+benchmark_result()
+{
+       static char     result[256];
+
+       if (unaligned == 0)
+               (void) sprintf(result, "%8d", opts);
+       else
+               (void) sprintf(result, "%8d <unaligned>", opts);
+
+       return (result);
+}