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