xnu-1456.1.26.tar.gz

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

diff --git a/tools/tests/libMicro/tattle.c b/tools/tests/libMicro/tattle.c
new file mode 100644 (file)
index 0000000..59520f8
--- /dev/null
+++ b/tools/tests/libMicro/tattle.c
@@ -0,0 +1,154 @@
+/*
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+#include <tattle.h>
+#include "libmicro.h"
+#include <math.h>
+
+
+#ifdef USE_RDTSC
+#ifdef __GNUC__
+#define        ENABLE_RDTSC 1
+#endif
+#endif
+
+/*
+ * dummy so we can link w/ libmicro
+ */
+
+/*ARGSUSED*/
+int
+benchmark(void *tsd, result_t *res)
+{
+       return (0);
+}
+
+static void
+cleanup(char *s)
+{
+       char *o = s;
+       char *e;
+
+       while (*s == ' ')
+               s++;
+
+       if (o != s)
+               (void) strcpy(o, s);
+
+       e = o;
+
+       while (*e != 0)
+               e++;
+
+       e--;
+
+       while (*e == ' ' && e > o)
+               *e-- = 0;
+
+}
+
+
+int
+main(int argc, char *argv[])
+{
+       int c;
+
+       if (strlen(compiler_version) > 30)
+               compiler_version[30] = 0;
+
+       cleanup(compiler_version);
+       cleanup(extra_compiler_flags);
+
+       while ((c = getopt(argc, argv, "vcfrsVTR")) != -1) {
+               switch (c) {
+               case 'V':
+                       (void) printf("%s\n", LIBMICRO_VERSION);
+                       break;
+               case 'v':
+                       (void) printf("%s\n", compiler_version);
+                       break;
+               case 'c':
+                       (void) printf("%s\n", CC);
+                       break;
+               case 'f':
+                       if (strlen(extra_compiler_flags) == 0)
+                               (void) printf("[none]\n");
+                       else
+                               (void) printf("%s\n", extra_compiler_flags);
+                       break;
+
+               case 's':
+                       (void) printf("%d\n", sizeof (long));
+                       break;
+
+               case 'r':
+
+                       (void) printf("%lld nsecs\n", get_nsecs_resolution());
+                       break;
+
+               case 'R':
+#ifdef ENABLE_RDTSC
+                       {
+                               struct timeval  s;
+                               struct timeval  f;
+                               long long       start_nsecs;
+                               long long       end_nsecs;
+                               long            elapsed_usecs;
+
+                               gettimeofday(&s, NULL);
+                               start_nsecs = rdtsc();
+                               for (;;) {
+                                       gettimeofday(&f, NULL);
+                                       elapsed_usecs = (f.tv_sec - s.tv_sec) *
+                                           1000000 + (f.tv_usec - s.tv_usec);
+                                       if (elapsed_usecs > 1000000)
+                                               break;
+                               }
+                               end_nsecs = rdtsc();
+                               (void) printf("LIBMICRO_HZ=%lld\n",
+                                   (long long)elapsed_usecs *
+                                   (end_nsecs - start_nsecs) / 1000000LL);
+                       }
+#else
+                       (void) printf("\n");
+#endif
+                       break;
+               }
+       }
+
+       exit(0);
+       return (0);
+}