From the course: Linux System Engineer: Kernel Tuning and Remote Logging
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Use Tuna to tune the kernel
From the course: Linux System Engineer: Kernel Tuning and Remote Logging
Use Tuna to tune the kernel
- [Instructor] Tuna is a tool to adjust schedulers, thread priorities, IRQ handlers, and isolate CPU cores and sockets. Tuna includes a GUI, which makes adjusting some parameters much easier. For instance, if you wanted to change which CPUs a task is running on, we can just drag the task to the CPU. All of this functionality can also be done on the command line. Tuna can also save at a tuned.conf file out we can hand-edit it if we wish. Let's get started by installing Tuna using yum. In a terminal type in sudo yum install -y tuna and hit enter. Running tuna without an argument will bring up the graphical interface. Type in clear, and then type in sudo tuna and hit enter. I'm going to make mine full screen. You should initially see a graphical interface with three tabs: Monitoring, profile management, and profile editing. In the monitoring tab we see three panes. One showing CPUs, one showing IRQs, and one showing processes. If the CPU box only shows one processor you can shut down…
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