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45 lines
934 B
Bash
45 lines
934 B
Bash
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#!/bin/sh
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# (very) simple file realtime IO tests.
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# TODO: make file size multiple of physmem.
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filesize=1g
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iosize=64k
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if [ $# -gt 0 ]; then
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printf "%s,%s,%s,%s,%s\n" type bytes ops time bytes/sec ops/sec
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exit 0
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fi
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# buffered write
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echo -n bwrite,
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xfs_io iofile -Rft -c "pwrite -C -b $iosize 0 $filesize"
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# direct write
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echo -n dwrite,
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xfs_io iofile -Rftd -c "pwrite -C -b $iosize 0 $filesize"
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# buffered re-write
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echo -n brwrite,
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xfs_io iofile -R -c "pwrite -C -b $iosize 0 $filesize"
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# direct re-write
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echo -n drwrite,
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xfs_io iofile -Rd -c "pwrite -C -b $iosize 0 $filesize"
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# buffered read
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echo -n bread,
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xfs_io iofile -R -c "pread -C -b $iosize 0 $filesize"
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# buffered re-read
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echo -n brread,
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xfs_io iofile -R -c "pread -C -b $iosize 0 $filesize"
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# direct read
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echo -n dread,
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xfs_io iofile -Rd -c "pread -C -b $iosize 0 $filesize"
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# direct re-read
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echo -n drread,
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xfs_io iofile -Rd -c "pread -C -b $iosize 0 $filesize"
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