X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e2fac8b15b12a7979f72090454d850e612fc5b13..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/tools/tests/libMicro/memset.c

diff --git a/tools/tests/libMicro/memset.c b/tools/tests/libMicro/memset.c
new file mode 100644
index 000000000..8a6345409
--- /dev/null
+++ b/tools/tests/libMicro/memset.c
@@ -0,0 +1,172 @@
+/*
+ * 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.
+ */
+
+/*
+ * memset
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libmicro.h"
+
+#define	DEFS			8192
+
+static long long		opts = DEFS;
+static int			opta = 0;
+static int			optu = 0;
+
+static char 			*optas = "4k";
+
+typedef struct {
+	char 			*ts_buff;
+	int			ts_size;
+	int			ts_offset;
+} tsd_t;
+
+int
+benchmark_init()
+{
+	lm_tsdsize = sizeof (tsd_t);
+
+	(void) sprintf(lm_optstr, "a:us:");
+
+	(void) sprintf(lm_usage,
+	    "       [-s buffer-size (default %d)]\n"
+	    "       [-a alignment (force buffer alignment)]\n"
+	    "       [-u (try to always use uncached memory)]"
+	    "notes: measures memset()\n",
+	    DEFS);
+
+	(void) sprintf(lm_header, "%8s%16s", "size", "alignment");
+
+	return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+	switch (opt) {
+	case 'u':
+		optu = 1;
+		break;
+	case 's':
+		opts = sizetoll(optarg);
+		break;
+	case 'a':
+		opta = sizetoll(optarg);
+		if (opta > 4096)
+			opta = 0;
+		else
+			optas = optarg;
+		break;
+	default:
+		return (-1);
+	}
+	return (0);
+}
+
+int
+benchmark_initworker(void *tsd)
+{
+	tsd_t 			*ts = (tsd_t *)tsd;
+	int			errors = 0;
+	int i;
+
+	if (optu) {
+		ts->ts_size 	= 1024 * 1024 * 64;
+		ts->ts_offset 	= opta;
+	} else {
+		ts->ts_size 	= opta + opts;
+		ts->ts_offset 	= opta;
+	}
+
+	if ((ts->ts_buff = (char *)valloc(ts->ts_size)) == NULL)
+		errors++;
+
+	for (i = 0; i < ts->ts_size; i++)
+		ts->ts_buff[i] = 0;
+	return (errors);
+}
+
+/*ARGSUSED*/
+int
+benchmark(void *tsd, result_t *res)
+{
+	int			i;
+	tsd_t			*ts = (tsd_t *)tsd;
+
+
+	if (optu) {
+		char *buf = ts->ts_buff + ts->ts_offset;
+		char *end = ts->ts_buff + ts->ts_size;
+		int offset = ts->ts_offset;
+		
+		unsigned long tmp;
+
+		for (i = 0; i < lm_optB; i ++) {
+			(void) memset(buf, 0, opts);
+			tmp = (((unsigned long)buf + opts + 4095) & ~4095) + offset;
+			buf = (char *) tmp;
+			if (buf + opts > end)
+				buf = ts->ts_buff + offset;
+		}
+	} else {
+		char *buf = ts->ts_buff + ts->ts_offset;
+
+		for (i = 0; i < lm_optB; i += 10) {
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+			(void) memset(buf, 0, opts);
+		}
+	}
+	res->re_count = i;
+
+	return (0);
+}
+
+char *
+benchmark_result()
+{
+	static char		result[256];
+
+	(void) sprintf(result, "%8lld%12s", opts, optas);
+
+	return (result);
+}