projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| b0d623f7 A |
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 | } |