Asserting that you're "writing a perl script" doesn't make your actual question a Perl question.

Use a search engine and the keywords "proc diskstats" if you want answers about the content of /proc/diskstats.

Helpful addendum: /proc is NOT where disk statistics live on every distro of Linux, so you may wish to consult the docs for your flavor and/or use "diskstats Linux"as your SE keywords.

In reply to Re: (OT) Get the number of blocks per second by reading the proc diskstats file by ww
in thread (OT) Get the number of blocks per second by reading the proc diskstats file by haavard82

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