0N/A/*
0N/A * CDDL HEADER START
0N/A *
0N/A * The contents of this file are subject to the terms
0N/A * of the Common Development and Distribution License
0N/A * (the "License"). You may not use this file except
0N/A * in compliance with the License.
0N/A *
0N/A * You can obtain a copy of the license at
0N/A * src/OPENSOLARIS.LICENSE
0N/A * or http://www.opensolaris.org/os/licensing.
0N/A * See the License for the specific language governing
0N/A * permissions and limitations under the License.
0N/A *
0N/A * When distributing Covered Code, include this CDDL
0N/A * HEADER in each file and include the License file at
0N/A * usr/src/OPENSOLARIS.LICENSE. If applicable,
0N/A * add the following below this CDDL HEADER, with the
0N/A * fields enclosed by brackets "[]" replaced with your
0N/A * own identifying information: Portions Copyright [yyyy]
0N/A * [name of copyright owner]
0N/A *
0N/A * CDDL HEADER END
0N/A */
0N/A
0N/A/*
0N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
0N/A * Use is subject to license terms.
0N/A */
0N/A
0N/A/*
0N/A * memory access time check
0N/A */
0N/A
0N/A#include <unistd.h>
0N/A#include <stdlib.h>
0N/A#include <stdio.h>
0N/A#include <fcntl.h>
0N/A#include <string.h>
0N/A
0N/A#include "libmicro.h"
0N/A
0N/Astatic long opts = 1024*1024;
0N/A
0N/Atypedef struct {
0N/A long **ts_data;
0N/A long ts_result;
0N/A} tsd_t;
0N/A
0N/Aint
0N/Abenchmark_init()
0N/A{
0N/A lm_tsdsize = sizeof (tsd_t);
0N/A
0N/A (void) sprintf(lm_optstr, "s:");
0N/A
0N/A (void) sprintf(lm_usage,
0N/A " [-s size] number of bytes to "
0N/A " access (default %ld)\n"
0N/A "notes: measures \"random\" memory access times\n",
0N/A opts);
0N/A
0N/A (void) sprintf(lm_header, "%8s", "size");
0N/A
0N/A return (0);
0N/A}
0N/A
0N/Aint
0N/Abenchmark_optswitch(int opt, char *optarg)
0N/A{
0N/A switch (opt) {
0N/A case 's':
0N/A opts = sizetoint(optarg);
0N/A break;
0N/A default:
0N/A return (-1);
0N/A }
0N/A
0N/A return (0);
0N/A}
0N/A
0N/Aint
0N/Abenchmark_initworker(void *tsd)
0N/A{
0N/A tsd_t *ts = (tsd_t *)tsd;
0N/A int i, j;
0N/A
0N/A ts->ts_data = malloc(opts);
0N/A
0N/A if (ts->ts_data == NULL) {
0N/A return (1);
0N/A }
0N/A
0N/A /*
0N/A * use lmbench style backwards stride
0N/A */
0N/A
0N/A for (i = 0; i < opts / sizeof (long); i++) {
0N/A j = i - 128;
0N/A if (j < 0)
0N/A j = j + opts / sizeof (long);
0N/A ts->ts_data[i] = (long *)&(ts->ts_data[j]);
0N/A }
0N/A return (0);
0N/A}
0N/A
0N/Aint
0N/Abenchmark(void *tsd, result_t *res)
0N/A{
0N/A tsd_t *ts = (tsd_t *)tsd;
0N/A int i;
0N/A
0N/A long **ptr = ts->ts_data;
0N/A
0N/A
0N/A
0N/A for (i = 0; i < lm_optB; i += 10) {
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A ptr = (long **)*ptr;
0N/A }
0N/A
0N/A ts->ts_result = (long)*ptr;
0N/A
0N/A res->re_count = lm_optB;
0N/A
0N/A return (0);
0N/A}
0N/A
0N/Achar *
0N/Abenchmark_result()
0N/A{
0N/A static char result[256];
0N/A
0N/A (void) sprintf(result, "%8ld ", opts);
0N/A
0N/A
0N/A return (result);
0N/A}