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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms
      5  * of the Common Development and Distribution License
      6  * (the "License").  You may not use this file except
      7  * in compliance with the License.
      8  *
      9  * You can obtain a copy of the license at
     10  * src/OPENSOLARIS.LICENSE
     11  * or http://www.opensolaris.org/os/licensing.
     12  * See the License for the specific language governing
     13  * permissions and limitations under the License.
     14  *
     15  * When distributing Covered Code, include this CDDL
     16  * HEADER in each file and include the License file at
     17  * usr/src/OPENSOLARIS.LICENSE.  If applicable,
     18  * add the following below this CDDL HEADER, with the
     19  * fields enclosed by brackets "[]" replaced with your
     20  * own identifying information: Portions Copyright [yyyy]
     21  * [name of copyright owner]
     22  *
     23  * CDDL HEADER END
     24  */
     25 
     26 /*
     27  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     28  * Use is subject to license terms.
     29  */
     30 
     31 /*
     32  * change directory benchmark
     33  */
     34 
     35 #include <unistd.h>
     36 #include <stdio.h>
     37 #include <stdlib.h>
     38 
     39 #include "libmicro.h"
     40 
     41 #define	DEFAULTDIR		"/"
     42 #define	MAXPATHLEN		1024
     43 
     44 static int			optg = 0;
     45 
     46 static int			dircount;
     47 static char **			dirlist;
     48 
     49 int
     50 benchmark_init()
     51 {
     52 	(void) sprintf(lm_optstr, "g");
     53 	lm_tsdsize = 0;
     54 
     55 	(void) sprintf(lm_usage,
     56 	    "       [-g] (do getcwd() also)\n"
     57 	    "       directory ... (default = %s)\n"
     58 	    "notes: measures chdir() and (optionally) getcwd()",
     59 	    DEFAULTDIR);
     60 
     61 	(void) sprintf(lm_header, "%5s %5s", "dirs", "gets");
     62 
     63 	return (0);
     64 }
     65 
     66 /*ARGSUSED*/
     67 int
     68 benchmark_optswitch(int opt, char *optarg)
     69 {
     70 	switch (opt) {
     71 	case 'g':
     72 		optg = 1;
     73 		break;
     74 	default:
     75 		return (-1);
     76 	}
     77 	return (0);
     78 }
     79 
     80 int
     81 benchmark_initrun()
     82 {
     83 	extern int		optind;
     84 	int			i;
     85 
     86 	dircount = lm_argc - optind;
     87 	if (dircount <= 0) {
     88 		dirlist = (char **)malloc(sizeof (char *));
     89 		dirlist[0] = DEFAULTDIR;
     90 		dircount = 1;
     91 	} else {
     92 		dirlist = (char **)malloc(dircount * sizeof (char *));
     93 		for (i = 0; i < dircount; i++) {
     94 			dirlist[i] = lm_argv[optind++];
     95 		}
     96 	}
     97 
     98 	return (0);
     99 }
    100 
    101 /*ARGSUSED*/
    102 int
    103 benchmark(void *tsd, result_t *res)
    104 {
    105 	int			i, j;
    106 	char 			buf[MAXPATHLEN];
    107 
    108 	j = 0;
    109 	for (i = 0; i < lm_optB; i++) {
    110 		if (chdir(dirlist[j]) == -1)
    111 			res->re_errors++;
    112 		j++;
    113 		j %= dircount;
    114 
    115 		if (optg && (getcwd(buf, MAXPATHLEN) == NULL)) {
    116 			res->re_errors++;
    117 		}
    118 	}
    119 	res->re_count = i;
    120 
    121 	return (0);
    122 }
    123 
    124 char *
    125 benchmark_result()
    126 {
    127 	static char		result[256];
    128 
    129 	(void) sprintf(result, "%5d %5s", dircount, optg ? "y" : "n");
    130 
    131 	return (result);
    132 }
    133