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This article mainly explains the "installation and use of iotop", the content of the explanation is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "the installation and use of iotop" bar!

Target to view io usage

Using iotop in linux environment

Installation

The code is as follows:

Yum-y install iotop

Usage:

Iotop [OPTIONS]

The code is as follows:

-- version # shows version number

-h,-- help # displays help information

-o,-- only # shows what the process or thread is actually doing, but not all of them. You can switch to press o at any time.

-b,-- batch # runs in non-interactive mode

-n NUM,-- iter=NUM # sets the number of times to display in non-interactive mode

-d SEC,-- delay=SEC # sets the number of seconds between displays and supports non-integer values

-p PID,-- pid=PID # displays only the information of the specified PID

-u USER,-- user=USER # displays information about the process of the specified user

-P,-- processes # shows only processes, usually all threads

-a,-- accumulated # shows the total number of IO completed by each thread since iotop was started

-k,-- kilobytes # is displayed in kilobytes

-t,-- time # add a current time before each line

-Q,-- quiet # suppress some lines of header (implies-- batch) This option can be specified up to three times to remove header lines.

-q column names are only printed on the first iteration

-qq column names are never printed

-qqq the I got O summary is never printed.

For example

Iotop-o

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