Linux Plumbers Conference Courses

Function Parameters with BTF - Enhancing Function Tracing

Explore function tracing enhancements using BTF to display return values and arguments, improving debugging capabilities in Linux kernel development.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Troubles and Tidbits from Datadog's eBPF Journey

Explore Datadog's eBPF journey, uncovering challenges, pitfalls, and lessons learned in observability, security, and networking. Gain insights into eBPF hook points, security bypasses, and networking complexities.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

bpftime - Fast Uprobes with User Space BPF Runtime

Explore bpftime, a userspace eBPF runtime offering faster uprobes and syscall hooks. Learn about its performance benefits, implementation techniques, and compatibility with existing eBPF toolchains.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

Shrinking the Elephant - Confidential Computing Attestation Advancements

Exploring open-source attestation service for confidential computing, addressing challenges in guest attestation and verification. Introduces KBS API and discusses future integration of trusted device attestation.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Lightweight Kernel Debugging Alternatives to kdump - Pstore Technology and Steam Deck Use Case

Exploring pstore technology as a lightweight alternative to kdump for kernel debugging, focusing on Steam Deck use case and potential improvements for efficient data collection during kernel panics.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Unifying and Improving Test Regression Reporting and Tracking in Kernel CI Systems

Exploring strategies to enhance kernel CI systems for better regression detection, analysis, and reporting. Discusses standardizing workflows, improving data processing, and addressing challenges in regression tracking.

• YouTube
• 33 minutes
• Self-Paced
• Free Video

Dynamic vCPU Priority Boosting in KVM for Latency-Sensitive Workloads

Exploring a framework for host-guest communication in KVM to minimize VM latencies by dynamically boosting vCPU thread priorities based on guest scheduling needs and host insights.

• YouTube
• 45 minutes
• Self-Paced
• Free Video

Improving Linux Perf Tool to Account for Task Sleep

Enhancing Linux Perf tool to accurately measure CPU usage and task sleep time, addressing limitations in sample collection for sleeping processes.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Make ftrace_regs a Common Trace Interface for Function Entry/Exit Tracing

Exploring ftrace_regs as a unified interface for function tracing, addressing limitations of pt_regs and improving efficiency across architectures. Discusses integration with fprobe, eBPF, and function-graph tracer.

• YouTube
• 29 minutes
• Self-Paced
• Free Video

Hypervisor-Enforced Kernel Integrity for KVM

Enhancing Linux kernel security through KVM-based protection mechanisms, offering improved defense against vulnerabilities and discussing new features for mainline integration.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

A move_pages() Equivalent for Physical Memory

Proposal for a syscall to migrate physical memory contents between NUMA nodes, exploring integration with mm/migrate.c and potential applications in tiering frameworks.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Beyond DWARF: Debugging the Kernel with Drgn, BTF/CTF, and Kallsyms

Explore kernel debugging without DWARF using Drgn, leveraging BTF/CTF, kallsyms, and other introspection tools for efficient and flexible debugging in various situations.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Linux Kernel Autotuning for Optimal Performance

Automated solution for optimizing Linux kernel parameters using machine learning, focusing on memory management. Explores design, architecture, and results, proposing future in-kernel ML framework.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

Developing Continuous eBPF Profiler - From Kernel to Cloud

Explore eBPF profiling for interpreted languages and JIT runtimes, discussing challenges in scalability, uniformity, and integration with cloud-native ecosystems. Learn about edge cases and low-level observability implementation.

• YouTube
• 36 minutes
• Self-Paced
• Free Video

Installing and Using the Linux-Kernel Memory Model (LKMM)

Learn to install LKMM on Linux systems and explore its capabilities through sample litmus tests, gaining insights into interpreting its output for enhanced kernel development.

• YouTube
• 37 minutes
• Self-Paced
• Free Video