Package blktrace

Utilities for performing block layer IO tracing in the Linux kernel

http://brick.kernel.dk/snaps

blktrace is a block layer IO tracing mechanism which provides detailed
information about request queue operations to user space. This package
includes both blktrace, a utility which gathers event traces from the kernel;
and blkparse, a utility which formats trace data collected by blktrace.

You should install the blktrace package if you need to gather detailed
information about IO patterns.

General Commands
Command Description
blkparse produce formatted output of event streams of block devices
blkrawverify verifies an output file produced by blkparse
bno_plot generate interactive 3D plot of IO blocks and sizes
btt analyse block i/o traces produces by blktrace
verify_blkparse verifies an output file produced by blkparse
System Administration
Command Description
blkiomon monitor block device I/O based o blktrace data
blktrace generate traces of the i/o traffic on block devices
btrace perform live tracing for block devices
btrecord recreate IO loads recorded by blktrace
btreplay recreate IO loads recorded by blktrace