ltp-aio-stress.part2 2.1 KB

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  1. #DESCRIPTION:ltp A-sync IO Stress IO tests
  2. #
  3. # aio-stress [-s size] [-r size] [-a size] [-d num] [-b num]
  4. # [-i num] [-t num] [-c num] [-C size] [-nxhlvOS ]
  5. # file1 [file2 ...]
  6. # -a size in KB at which to align buffers
  7. # -b max number of iocbs to give io_submit at once
  8. # -c number of io contexts per file
  9. # -C offset between contexts, default 2MB
  10. # -s size in MB of the test file(s), default 1024MB
  11. # -r record size in KB used for each io, default 64KB
  12. # -d number of pending aio requests for each file, default 64
  13. # -i number of ios per file sent before switching
  14. # to the next file, default 8
  15. # -O Use O_DIRECT (not available in 2.4 kernels),
  16. # -S Use O_SYNC for writes
  17. # -o add an operation to the list: write=0, read=1,
  18. # random write=2, random read=3.
  19. # repeat -o to specify multiple ops: -o 0 -o 1 etc.
  20. # -m shm use ipc shared memory for io buffers instead of malloc
  21. # -m shmfs mmap a file in /dev/shm for io buffers
  22. # -n no fsyncs between write stage and read stage
  23. # -l print io_submit latencies after each stage
  24. # -t number of threads to run
  25. # -v verification of bytes written
  26. # -x turn off thread stonewalling
  27. # -h this message
  28. #
  29. ADS2001 aio-stress -I500 -o2 -S -r32 -t2 $TMPDIR/junkfile $TMPDIR/file2
  30. ADS2002 aio-stress -I500 -o3 -S -r8 -t2 $TMPDIR/junkfile $TMPDIR/file2
  31. ADS2003 aio-stress -I500 -o3 -S -r16 -t2 $TMPDIR/junkfile $TMPDIR/file2
  32. ADS2004 aio-stress -I500 -o3 -S -r32 -t4 $TMPDIR/junkfile $TMPDIR/file2 $TMPDIR/file3 $TMPDIR/file4
  33. ADS2005 aio-stress -I500 -o3 -S -r64 -t4 $TMPDIR/junkfile $TMPDIR/file2 $TMPDIR/file3 $TMPDIR/file4
  34. ADS2006 aio-stress -I500 -o2 -O -r32 -t2 $TMPDIR/junkfile $TMPDIR/file2
  35. ADS2007 aio-stress -I500 -o3 -O -r8 -t2 $TMPDIR/junkfile $TMPDIR/file2
  36. ADS2008 aio-stress -I500 -o3 -O -r16 -t2 $TMPDIR/junkfile $TMPDIR/file2
  37. ADS2009 aio-stress -I500 -o3 -O -r32 -t4 $TMPDIR/junkfile $TMPDIR/file2 $TMPDIR/file3 $TMPDIR/file4
  38. ADS2010 aio-stress -I500 -o3 -O -r64 -t4 $TMPDIR/junkfile $TMPDIR/file2 $TMPDIR/file3 $TMPDIR/file4