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Annotation of 43BSDReno/sys/nfs/TEST/unix-tests/special/nstat.c, revision 1.1

1.1     ! root        1: /*     @(#)nstat.c     1.2 90/01/03 NFS Rev 2 Testsuite
        !             2:  *     1.3 Lachman ONC Test Suite source
        !             3:  *
        !             4:  * Stat a file n times
        !             5:  */
        !             6: #include       <stdio.h>
        !             7: #include       <sys/types.h>
        !             8: #include       <sys/stat.h>
        !             9: #ifdef SVR3
        !            10: #include       <sys/fs/nfs/time.h>
        !            11: #else
        !            12: #include       <sys/time.h>
        !            13: #endif
        !            14: 
        !            15: int stats = 0;
        !            16: 
        !            17: main(argc, argv)
        !            18:        int argc;
        !            19:        char *argv[];
        !            20: {
        !            21:        struct timeval stim, etim;
        !            22:        float elapsed;
        !            23:        register int count;
        !            24:        register int i;
        !            25:        struct stat statb;
        !            26: 
        !            27:        if (argc != 2) {
        !            28:                fprintf(stderr, "usage: %s count\n", argv[0]);
        !            29:                exit(1);
        !            30:        }
        !            31: 
        !            32:        count = atoi(argv[1]);
        !            33:        gettimeofday(&stim, 0);
        !            34:        for (i=0; i<count; i++) {
        !            35:                stat(argv[0], &statb);
        !            36:                stats++;
        !            37:        }
        !            38:        gettimeofday(&etim, 0);
        !            39:        elapsed = (float) (etim.tv_sec - stim.tv_sec) +
        !            40:            (float)(etim.tv_usec - stim.tv_usec) / 1000000.0;
        !            41:        if (elapsed == 0.0) {
        !            42:                fprintf(stdout, "%d calls 0.0 seconds\n", count);
        !            43:        } else {
        !            44:                fprintf(stdout,
        !            45:                    "%d calls %.2f seconds %.2f calls/sec %.2f msec/call\n",
        !            46:                    count, elapsed, (float)count / elapsed,
        !            47:                    1000.0 * elapsed / (float)count);
        !            48:        }
        !            49:        exit(0);
        !            50: }

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