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#include <sys/uio.h>
0N/A#include <limits.h>
0N/A#include <unistd.h>
0N/A#include <stdlib.h>
0N/A#include <stdio.h>
0N/A#include <fcntl.h>
0N/A
0N/A#ifndef IOV_MAX
0N/A#define IOV_MAX UIO_MAXIOV
0N/A#endif
0N/A
0N/A#include "libmicro.h"
0N/A
0N/Atypedef struct {
0N/A int ts_once;
0N/A struct iovec *ts_iov;
0N/A int ts_fd;
0N/A} tsd_t;
0N/A
0N/A#define DEFF "/dev/null"
0N/A#define DEFS 1024
0N/A#define DEFV 10
0N/A
0N/Astatic char *optf = DEFF;
0N/Astatic int opts = DEFS;
0N/Astatic int optv = DEFV;
0N/A
0N/Aint
0N/Abenchmark_init()
0N/A{
0N/A lm_tsdsize = sizeof (tsd_t);
0N/A
0N/A (void) sprintf(lm_optstr, "f:s:v:");
0N/A
0N/A (void) sprintf(lm_usage,
0N/A " [-f file-to-write (default %s)]\n"
0N/A " [-s buffer-size (default %d)]\n"
0N/A " [-v vector-size (default %d)]\n"
0N/A "notes: measures writev()\n"
0N/A " IOV_MAX is %d\n"
0N/A " SSIZE_MAX is %ld\n",
0N/A DEFF, DEFS, DEFV, IOV_MAX, SSIZE_MAX);
0N/A
0N/A (void) sprintf(lm_header, "%8s %4s", "size", "vec");
0N/A
0N/A lm_defB = 1;
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 'f':
0N/A optf = optarg;
0N/A break;
0N/A case 's':
0N/A opts = sizetoint(optarg);
0N/A break;
0N/A case 'v':
0N/A optv = atoi(optarg);
0N/A break;
0N/A default:
0N/A return (-1);
0N/A }
0N/A return (0);
0N/A}
0N/A
0N/Aint
0N/Abenchmark_initbatch(void *tsd)
0N/A{
0N/A tsd_t *ts = (tsd_t *)tsd;
0N/A int i;
0N/A int errors = 0;
0N/A
0N/A if (ts->ts_once++ == 0) {
0N/A ts->ts_fd = open(optf, O_WRONLY);
0N/A if (ts->ts_fd == -1) {
0N/A errors++;
0N/A }
0N/A ts->ts_iov = (struct iovec *)malloc(
0N/A optv * sizeof (struct iovec));
0N/A for (i = 0; i < optv; i++) {
0N/A ts->ts_iov[i].iov_base = malloc(opts);
0N/A ts->ts_iov[i].iov_len = opts;
0N/A }
0N/A }
0N/A
0N/A (void) lseek(ts->ts_fd, 0, SEEK_SET);
0N/A
0N/A return (errors);
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 for (i = 0; i < lm_optB; i++) {
0N/A if (writev(ts->ts_fd, ts->ts_iov, optv) != opts * optv) {
0N/A res->re_errors++;
0N/A }
0N/A }
0N/A res->re_count = i;
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, "%8d %4d", opts, optv);
0N/A
0N/A return (result);
0N/A}