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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  * exec benchmark
     33  */
     34 
     35 #include <unistd.h>
     36 #include <stdio.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <sys/wait.h>
     40 
     41 #include "libmicro.h"
     42 
     43 static char exec_path[1024];
     44 static char *argv[3];
     45 
     46 int
     47 benchmark_init()
     48 {
     49 	lm_defB = 128;
     50 	lm_tsdsize = 0;
     51 
     52 	(void) sprintf(lm_usage,
     53 	    "notes: measures execv time of simple process()\n");
     54 
     55 	return (0);
     56 }
     57 
     58 /*ARGSUSED*/
     59 int
     60 benchmark_initbatch(void *tsd)
     61 {
     62 	char			buffer[80];
     63 
     64 	(void) strcpy(exec_path, lm_procpath);
     65 	(void) strcat(exec_path, "/exec_bin");
     66 
     67 	(void) sprintf(buffer, "%d", lm_optB);
     68 	argv[0] = exec_path;
     69 	argv[1] = strdup(buffer);
     70 	argv[2] = NULL;
     71 
     72 	return (0);
     73 }
     74 
     75 /*ARGSUSED*/
     76 int
     77 benchmark(void *tsd, result_t *res)
     78 {
     79 	int c;
     80 	int status;
     81 
     82 	switch (c = fork()) {
     83 	case -1:
     84 		res->re_errors++;
     85 		break;
     86 	default:
     87 		if (waitpid(c, &status, 0) < 0)
     88 			res->re_errors++;
     89 
     90 		if (WIFEXITED(status) && WEXITSTATUS(status) != 0)
     91 			res->re_errors++;
     92 		break;
     93 	case 0:
     94 		if (execv(exec_path, argv) < 0)
     95 			res->re_errors++;
     96 	}
     97 
     98 	res->re_count = lm_optB;
     99 
    100 	return (0);
    101 }
    102