tools/tests/libMicro/apple/lmbench_fstat.c

   1 /*
   2  * Copyright (c) 2006 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29
  30 #ifdef  __sun
  31 #pragma ident   "@(#)lmbench_fstat.c    1.4     06/21/06 Apple Inc."
  32 #endif
  33
  34
  35 #include <unistd.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <sys/types.h>
  39 #include <sys/stat.h>
  40 #include <fcntl.h>
  41
  42 #include "../libmicro.h"
  43
  44 typedef struct {
  45         char                    *ts_buf;
  46         int                     ts_fd;
  47 } tsd_t;
  48
  49
  50 #define DEFF                    "/dev/null"
  51 #define DEFS                    1024
  52
  53 static char                     *optf = DEFF;
  54 // static long long             opts = DEFS;
  55
  56 int
  57 benchmark_init()
  58 {
  59
  60         (void) sprintf(lm_optstr, "f:");
  61
  62         lm_tsdsize = 0;
  63
  64         (void) sprintf(lm_usage,
  65             "       [-f file-to-stat (default %s)]\n"
  66             "notes: measures lmbench_fstat()\n",
  67             DEFF);
  68
  69         return (0);
  70 }
  71
  72 int
  73 benchmark_optswitch(int opt, char *optarg)
  74 {
  75         switch (opt) {
  76         case 'f':
  77                 optf = optarg;
  78                 break;
  79         default:
  80                 return (-1);
  81         }
  82         return (0);
  83 }
  84
  85 /*
  86  * This initbatch stolen from lmbench_read.c
  87  */
  88 int
  89 benchmark_initbatch(void *tsd)
  90 {
  91         tsd_t                   *ts = (tsd_t *)tsd;
  92
  93         if (ts->ts_buf == NULL) {
  94                 /* ts->ts_buf = malloc(opts); */
  95                 ts->ts_fd = open(optf, O_RDONLY);
  96         }
  97
  98         /* (void) lseek(ts->ts_fd, 0, SEEK_SET); */
  99
 100         return (0);
 101 }
 102
 103
 104 /*ARGSUSED*/
 105 int
 106 benchmark(void *tsd, result_t *res)
 107 {
 108         int                     i;
 109         struct stat             sbuf;
 110         tsd_t                   *ts = (tsd_t *)tsd;
 111
 112         res->re_errors = 0;
 113
 114 /*
 115  * The libmicro test uses a for loop as below:
 116  *   for (i = 0; i < lm_optB; i++) {
 117  *
 118  * we can probably get away with using lm_optB
 119  * in the while loop below
 120  *
 121  */
 122         i = 0;
 123
 124 //      while (i++ < lm_optB) {
 125     for (i = 0; i < lm_optB; i++) {
 126                 if (fstat(ts->ts_fd, &sbuf) == -1)
 127                         res->re_errors++;
 128         }
 129
 130         res->re_count += lm_optB;
 131
 132         return (0);
 133 }