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Annotation of driverkit/tests/malloctest.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: /*
                     25:  * malloc() timing test using uxpr.
                     26:  */
                     27: 
                     28: #import <bsd/libc.h> 
                     29: #import <driverkit/debugging.h>
                     30: 
                     31: static void usage(char **argv);
                     32: 
                     33: int num_loops=10;
                     34: char *foobar;
                     35: 
                     36: int main(int argc, char **argv)
                     37: {
                     38:        int arg;
                     39:        int loop;
                     40:        int malloc_size;
                     41:        char s[100];
                     42:        
                     43:        if(argc < 1)
                     44:                usage(argv);
                     45:        for(arg=1; arg<argc; arg++) {
                     46:                switch(argv[arg][0]) {
                     47:                    case 'n':
                     48:                        num_loops = atoi(&argv[arg][2]);
                     49:                        break;
                     50:                    default:
                     51:                        usage(argv);
                     52:                }
                     53:        }
                     54:        IOInitDDM(1000, "malloc");
                     55:        IOAddDDMEntry("%s: starting\n", (int)argv[0], 2,3,4,5);
                     56:        for(loop=1; loop<=num_loops; loop++) {
                     57:                malloc_size = 1 << loop;
                     58:                foobar = malloc(malloc_size);
                     59:                IOAddDDMEntry("malloc'd %d bytes\n", malloc_size, 2,3,4,5);             
                     60:        }
                     61:        printf("Done; enter CR to quit: ");
                     62:        gets(s);
                     63:        exit(0);
                     64: }
                     65: 
                     66: static void usage(char **argv)
                     67: {
                     68:        printf("usage: %s [n=num_loops]\n", argv[0]);
                     69:        exit(1);
                     70: }
                     71: 

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