How To Install blktrace on CentOS 7
Introduction
In this tutorial we learn how to install blktrace
on CentOS 7.
What is blktrace
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.
We can use yum
or dnf
to install blktrace
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install blktrace.
Install blktrace on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install blktrace
using yum
by running the following command:
Install blktrace on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
After updating yum database, We can install blktrace
using dnf
by running the following command:
How To Uninstall blktrace on CentOS 7
To uninstall only the blktrace
package we can use the following command:
References
Summary
In this tutorial we learn how to install blktrace
on CentOS 7 using yum
and dnf
.