This is a discussion on [PATCH -mm 0/4] task IO accounting: per block device IO statistics - Kernel ; Introduce a new file /proc/ /blockio (and equivalently per-thread /proc/ /task/ /blockio files) to export per block device i/o statistics of each process to userspace applications. The objective of this patch is to provide an efficient method to quickly identify ...
Introduce a new file /proc//blockio (and equivalently per-thread
/proc//task/ /blockio files) to export per block device i/o statistics
of each process to userspace applications.
The objective of this patch is to provide an efficient method to quickly
identify the top i/o consumers on specific block devices and, more in general,
to collect more detailed informations about specific block device usage.
See the documentation (PATCH 1/4) for more information.
Tested against 2.6.27-rc1-mm1.
The all-in-one patch can be found at:
http://download.systemimager.org/~ar...io-acct-block/
-Andrea
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