Chapter 2.  New Packages

2.1.  RHEA-2009:1284: blktrace

A new package is now available for Red Hat Enterprise Linux 5.
blktrace is a block layer IO tracing mechanism which provides detailed information about request queue operations to user space.
This new package includes both blktrace, a utility which gathers event traces from the kernel; and blkparse, a utility which formats trace data collected by blktrace.