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@@ -70,8 +70,13 @@ iostats -df /fd/1 rc
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.EE
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.SH SOURCE
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.B /sys/src/cmd/iostats
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+.SH SEE ALSO
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+.IR dup (3)
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.SH BUGS
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Poor clock resolution means that large amounts of I/O must be done to
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get accurate rate figures.
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.PP
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-Can be fooled by programs that do fresh mounts outside its purview.
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+Can be fooled by programs that do fresh mounts outside its purview,
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+or by the use of names of files with content that can vary by process (e.g.,
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+.LR #d ,
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+.LR /dev/cons ).
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