https://ostechnix.com/dtrace-2-0-arrives-on-gentoo-linux
Exciting news for Gentoo Linux users! DTrace 2.0, the powerful dynamic tracing tool, is now available on Gentoo. This means you can now analyse and debug your system, both the kernel and userland applications, with ease. Whether you're tackling performance bottlenecks or troubleshooting unexpected behaviour, DTrace has you covered.
What is DTrace?
DTrace allows you to dynamically trace your running system, capturing valuable insights into its operation. It works by attaching to specific points in the kernel or userland applications, known as probes, and recording data when these probes are triggered. This data can include timestamps, stack traces, function arguments, and more, providing a wealth of information to help you understand your system's behaviour.
Gentoo Embraces DTrace 2.0
Gentoo has fully embraced DTrace 2.0, making it incredibly easy to get started. Simply install the dev-debug/dtrace
package and you're ready to go. The newest stable Gentoo distribution
kernel already has all the necessary kernel options enabled, simplifying
the setup process even further. If you're compiling your kernel
manually, the DTrace ebuild will guide you through the required
configuration changes.
Power of eBPF
Under the hood, DTrace 2.0 for Linux leverages the Extended Berkeley Packet Filter (eBPF) engine of the Linux kernel. eBPF is a powerful and versatile technology that enables efficient and safe in-kernel program execution. By utilizing eBPF, DTrace 2.0 delivers performance and security benefits.
Getting Started with DTrace
Gentoo provides extensive documentation and resources to help you get started with DTrace. The Gentoo Wiki DTrace page offers a comprehensive overview, while the DTrace for Linux GitHub page delves into the technical details. Additionally, the original documentation for Illumos, where DTrace originated, provides valuable insights.
Learn and Explore
With DTrace 2.0 now readily available on Gentoo, there's never been a better time to explore the dynamic tracing. Gentoo's support for DTrace empowers users with a powerful toolset for understanding, analysing, and debugging their systems. Get started with DTrace today and unlock a deeper level of system knowledge!
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