theopolis
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timb
12/03/2019, 8:30 PMseph
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iotop
I’m looking at you) use linux’s taskset system to report “disk” activity.seph
proc
calls this out:
rchar: characters read
The number of bytes which this task has caused to be
read from storage. This is simply the sum of bytes
which this process passed to read(2) and similar system
calls. It includes things such as terminal I/O and is
unaffected by whether or not actual physical disk I/O
was required (the read might have been satisfied from
pagecache).
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