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Android Port

This is a version of iotop, ported for Android devices. To use it, include it in your external source tree when building an AOSP variant of Android.

Perfect for usage with getting metrics on i/o usage that other utilities do not provide. Note that all values found from this utility are what is reported from the system, so they might contain some inaccurate data.


Your Linux server is too slow or load is too high? One of the possible causes of such symptoms may be high IO (input/output) waiting time, which basically means that some of your processes need to read or write to a hard drive while it is too slow and not ready yet, serving data for some other processes.

Common practice is to use iostat -x in order to find out which block device (hard drive) is slow, but such information is not always much helpful. It could help you much more if you knew which process reads or writes the most data from your slow disk, so you could possibly renice it using ionice or even kill it.

IOTop will identify processes, which use high amount of input/output requests on your machine. It is similar to the well known top utility, but instead of showing you what consumes CPU the most, it lists processes by their IO consumption. Inspired by iotop python script from Guillaume Chazarain, but rewritten to C by Vyacheslav Trushkin so it now runs without python at all.


--version             show program's version number and exit
-h, --help            show this help message and exit
-o, --only            only show processes or threads actually doing I/O
-b, --batch           non-interactive mode
-n NUM, --iter=NUM    number of iterations before ending [infinite]
-d SEC, --delay=SEC   delay between iterations [1 second]
-p PID, --pid=PID     processes/threads to monitor [all]
-u USER, --user=USER  users to monitor [all]
-P, --processes       only show processes, not all threads
-a, --accumulated     show accumulated I/O instead of bandwidth
-k, --kilobytes       use kilobytes instead of a human friendly unit
-t, --time            add a timestamp on each line (implies --batch)
-q, --quiet           suppress some lines of header (implies --batch)


A top utility for IO, ported to Android







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