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Chao Fan authored
The iowait is not reliable by reading from /proc/stat, so this method to get iowait is not suggested. And we mark it in the document. Signed-off-by: Cao Jin <caoj.fnst@cn.fujitsu.com> Signed-off-by: Chao Fan <fanc.fnst@cn.fujitsu.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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