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/*
* 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.
*/
#ifdef linux
#define _XOPEN_SOURCE 500
#endif
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include "libmicro.h"
typedef struct {
char *ts_buf;
int ts_fd;
} tsd_t;
#define DEFF "/dev/zero"
#define DEFS 1024
static char *optf = DEFF;
static long long opts = DEFS;
int optw = 0;
int
benchmark_init()
{
lm_tsdsize = sizeof (tsd_t);
(void) sprintf(lm_optstr, "f:s:w");
(void) sprintf(lm_usage,
" [-f file-to-read (default %s)]\n"
" [-s buffer-size (default %d)]\n"
" [-w (store a byte to each page after read)]\n"
"notes: measures read()\n",
DEFF, DEFS);
(void) sprintf(lm_header, "%8s", "size");
lm_defB = 1;
return (0);
}
int
benchmark_optswitch(int opt, char *optarg)
{
switch (opt) {
case 'w':
optw = getpagesize();
break;
case 'f':
optf = optarg;
break;
case 's':
opts = sizetoll(optarg);
break;
default:
return (-1);
}
return (0);
}
int
benchmark_initrun()
{
return (0);
}
int
benchmark_initbatch(void *tsd)
{
tsd_t *ts = (tsd_t *)tsd;
if (ts->ts_buf == NULL) {
ts->ts_buf = malloc(opts);
ts->ts_fd = open(optf, O_RDONLY);
}
(void) lseek(ts->ts_fd, 0, SEEK_SET);
return (0);
}
int
benchmark(void *tsd, result_t *res)
{
tsd_t *ts = (tsd_t *)tsd;
int i;
int j;
for (i = 0; i < lm_optB; i++) {
if (read(ts->ts_fd, ts->ts_buf, opts) != opts) {
res->re_errors++;
}
if (optw)
for (j = 0; j < opts; j += optw)
ts->ts_buf[j] = 0;
}
res->re_count = i;
return (0);
}
char *
benchmark_result()
{
static char result[256];
(void) sprintf(result, "%8lld", opts);
return (result);
}
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