sdf.log

Linux磁盘测试的源代码,测试磁盘的读写性能

Command Line:

    % dt of=/dev/sdf bs=64k passes=12 log=sdf.log 

	--> Date: July 5, 1999, Version: 11.12, Author: Robin T. Miller <--

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16137853 bytes/sec, 15759.622 Kbytes/sec
     Number I/O's per second: 246.245
      Total passes completed: 0/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.39s
           Total system time: 02m26.40s
             Total user time: 08m26.21s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 8697256 bytes/sec, 8493.414 Kbytes/sec
     Number I/O's per second: 132.710
      Total passes completed: 1/12
       Total errors detected: 0/1
          Total elapsed time: 34m53.74s
           Total system time: 02m06.63s
             Total user time: 19m25.25s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16141000 bytes/sec, 15762.695 Kbytes/sec
     Number I/O's per second: 246.293
      Total passes completed: 1/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.17s
           Total system time: 02m26.66s
             Total user time: 08m23.38s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 8867426 bytes/sec, 8659.596 Kbytes/sec
     Number I/O's per second: 135.306
      Total passes completed: 2/12
       Total errors detected: 0/1
          Total elapsed time: 34m13.56s
           Total system time: 02m58.67s
             Total user time: 21m01.68s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16141715 bytes/sec, 15763.394 Kbytes/sec
     Number I/O's per second: 246.304
      Total passes completed: 2/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.12s
           Total system time: 02m28.47s
             Total user time: 08m25.99s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9443248 bytes/sec, 9221.921 Kbytes/sec
     Number I/O's per second: 144.093
      Total passes completed: 3/12
       Total errors detected: 0/1
          Total elapsed time: 32m08.34s
           Total system time: 02m05.91s
             Total user time: 19m23.29s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 13494932 bytes/sec, 13178.645 Kbytes/sec
     Number I/O's per second: 205.917
      Total passes completed: 3/12
       Total errors detected: 0/1
          Total elapsed time: 22m29.38s
           Total system time: 02m39.85s
             Total user time: 09m03.55s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 8592605 bytes/sec, 8391.216 Kbytes/sec
     Number I/O's per second: 131.113
      Total passes completed: 4/12
       Total errors detected: 0/1
          Total elapsed time: 35m19.24s
           Total system time: 02m10.82s
             Total user time: 17m20.84s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16138854 bytes/sec, 15760.600 Kbytes/sec
     Number I/O's per second: 246.260
      Total passes completed: 4/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.32s
           Total system time: 02m27.70s
             Total user time: 08m21.90s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9661136 bytes/sec, 9434.703 Kbytes/sec
     Number I/O's per second: 147.418
      Total passes completed: 5/12
       Total errors detected: 0/1
          Total elapsed time: 31m24.85s
           Total system time: 01m53.60s
             Total user time: 18m09.07s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16146009 bytes/sec, 15767.587 Kbytes/sec
     Number I/O's per second: 246.369
      Total passes completed: 5/12
       Total errors detected: 0/1
          Total elapsed time: 18m47.82s
           Total system time: 02m27.60s
             Total user time: 08m21.59s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9662469 bytes/sec, 9436.005 Kbytes/sec
     Number I/O's per second: 147.438
      Total passes completed: 6/12
       Total errors detected: 0/1
          Total elapsed time: 31m24.59s
           Total system time: 01m56.23s
             Total user time: 18m27.08s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16144005 bytes/sec, 15765.630 Kbytes/sec
     Number I/O's per second: 246.339
      Total passes completed: 6/12
       Total errors detected: 0/1
          Total elapsed time: 18m47.96s
           Total system time: 02m29.54s
             Total user time: 08m20.17s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9652277 bytes/sec, 9426.051 Kbytes/sec
     Number I/O's per second: 147.282
      Total passes completed: 7/12
       Total errors detected: 0/1
          Total elapsed time: 31m26.58s
           Total system time: 01m56.86s
             Total user time: 18m06.75s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16143146 bytes/sec, 15764.791 Kbytes/sec
     Number I/O's per second: 246.325
      Total passes completed: 7/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.02s
           Total system time: 02m30.33s
             Total user time: 08m19.86s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9670782 bytes/sec, 9444.123 Kbytes/sec
     Number I/O's per second: 147.565
      Total passes completed: 8/12
       Total errors detected: 0/1
          Total elapsed time: 31m22.97s
           Total system time: 02m00.17s
             Total user time: 18m12.61s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16143290 bytes/sec, 15764.931 Kbytes/sec
     Number I/O's per second: 246.328
      Total passes completed: 8/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.01s
           Total system time: 02m29.07s
             Total user time: 08m22.44s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9665289 bytes/sec, 9438.759 Kbytes/sec
     Number I/O's per second: 147.481
      Total passes completed: 9/12
       Total errors detected: 0/1
          Total elapsed time: 31m24.04s
           Total system time: 01m58.27s
             Total user time: 18m26.91s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16143146 bytes/sec, 15764.791 Kbytes/sec
     Number I/O's per second: 246.325
      Total passes completed: 9/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.02s
           Total system time: 02m30.04s
             Total user time: 08m22.39s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9665289 bytes/sec, 9438.759 Kbytes/sec
     Number I/O's per second: 147.481
      Total passes completed: 10/12
       Total errors detected: 0/1
          Total elapsed time: 31m24.04s
           Total system time: 01m59.70s
             Total user time: 18m20.22s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16143003 bytes/sec, 15764.652 Kbytes/sec
     Number I/O's per second: 246.323
      Total passes completed: 10/12
       Total errors detected: 0/1
          Total elapsed time: 18m48.03s
           Total system time: 02m26.50s
             Total user time: 08m23.24s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9663905 bytes/sec, 9437.407 Kbytes/sec
     Number I/O's per second: 147.460
      Total passes completed: 11/12
       Total errors detected: 0/1
          Total elapsed time: 31m24.31s
           Total system time: 01m54.88s
             Total user time: 18m11.70s

dt: WARNING: Record #277860, attempted to write 65536 bytes, wrote only 24576 bytes.
Write Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 16147441 bytes/sec, 15768.985 Kbytes/sec
     Number I/O's per second: 246.391
      Total passes completed: 11/12
       Total errors detected: 0/1
          Total elapsed time: 18m47.72s
           Total system time: 02m27.80s
             Total user time: 08m22.36s

dt: WARNING: Record #277860, attempted to read 65536 bytes, read only 24576 bytes.
Read Statistics:
     Total records processed: 277859 @ 65536 bytes/record, 1 partial
     Total bytes transferred: 18209792000 (17783000.000 Kbytes, 17366.211 Mbytes)
      Average transfer rates: 9654835 bytes/sec, 9428.550 Kbytes/sec
     Number I/O's per second: 147.321
      Total passes completed: 12/12
       Total errors detected: 0/1
          Total elapsed time: 31m26.08s
           Total system time: 02m01.34s
             Total user time: 18m12.39s

Total Statistics:
     Output device/file name: /dev/sdf (device type=disk)
   Data pattern read/written: 0x71c7c71c
     Total records processed: 6668616 @ 65536 bytes/record, 24 partial
     Total bytes transferred: 437035008000 (426792000.000 Kbytes, 416789.062 Mbytes)
      Average transfer rates: 11802012 bytes/sec, 11525.403 Kbytes/sec
     Number I/O's per second: 180.085
      Total passes completed: 12/12
       Total errors detected: 0/1
          Total elapsed time: 10h17m10.55s
           Total system time: 54m53.28s
             Total user time: 5h24m30.87s
               Starting time: Mon Jul  5 15:27:35 1999
                 Ending time: Tue Jul  6 01:44:46 1999