Mentorship Session - Tools and Techniques to Debug an Embedded Linux System
Explore essential tools and techniques for debugging embedded Linux systems, covering user space and kernel space, to improve quality and efficiently find/fix bugs.
How Much Is Tracing? Measuring the Overhead Caused by the Tracing Infrastructure
Explore the impact of tracing on system performance through empirical measurements. Learn about various tracing techniques and their effects on kernel configurations and real-time systems.
Solving the Twelve-Year-Old ftrace Time Stamp Puzzle
Unraveling a long-standing Linux kernel tracing mystery: ftrace timestamp anomalies, their causes, and the ingenious solution implemented to maintain accuracy across diverse scenarios.
Evolving the BPF Type Format
Exploring enhancements to BPF Type Format: separating kernel BTF, explicit matching, standalone BTF, and auto-detecting features to improve adoption and functionality across systems.
RTLA Requests and TODOs for Kernel Tracing Infrastructure - Linux Plumbers Conference
Exploring RTLA tool improvements for Linux tracing, including kernel-side histograms, dual tracer support, and enhanced library capabilities for better performance and functionality.
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.
Using SCHED_DEADLINE: Implementation, Advantages, and Challenges
Explore Linux's SCHED_DEADLINE scheduler, its implementation of EDF and CBS, advantages for robotics and media, and practical application tips. Learn about challenges and workarounds.
Maintaining a Real-Time Stable Kernel - Techniques and Challenges
Explore real-time kernel maintenance, including PREEMPT_RT integration, priority inversion prevention, and stable tree management techniques for robust device support and performance.
Tracing VMs - Seeing How Host and Guest Interact
Explore VM tracing techniques to analyze host-guest interactions, synchronize timelines, and solve complex issues in Linux kernel and hypervisor environments.
Real-Time Linux: Implications and Best Practices for Kernel Developers
Explore the integration of Real Time into Linux, its implications for kernel developers, and best practices for writing maintainable code, even for non-RT-focused programmers.
Tracing: The Bane of Security Folks - Understanding Kernel Tracing Techniques
Explore kernel tracing techniques, their security implications, and the tension between transparency and protection in Linux systems. Learn about live patching and function tracing methods.
Extra Boot Configuration and Boot-time Tracing in Linux
Explore advanced Linux kernel features: boot-time tracing with ftrace and extra boot configuration. Learn to optimize kernel startup and enhance system diagnostics.
Tracing with Ftrace - Critical Tooling for Linux Development
Explore Ftrace, a powerful Linux kernel tracing infrastructure. Learn about function tracing, trace events, dynamic events, and tracefs file system. Discover new libraries for easier access to Ftrace capabilities.
KernelShark 1.0 is Here - What Does that Mean?
Explore KernelShark 1.0, a powerful GUI for Linux kernel tracing. Learn its features, capabilities, and future developments through live demonstrations and insights.
Cloud Performance Root Cause Analysis at Netflix
Explore Netflix's cloud performance analysis techniques, tools, and procedures for root cause identification across 150k instances, featuring open-source solutions for cloud-wide and instance-level optimization.
More GDB Wizardry and 8 Other Essential Linux Application Debugging Tools
Practical demonstration of advanced GDB features and essential Linux debugging tools, enhancing programming effectiveness through live demos of powerful techniques and utilities.
See What Your Computer Is Doing With Ftrace Utilities
Explore Linux kernel's Ftrace utilities to monitor system behavior, debug performance issues, and gain insights into application interactions and system events.
RISC-V Ftrace - Working with Preemption
Explore RISC-V ftrace implementation challenges and solutions for handling preemption in Linux kernel tracing, enhancing debugging capabilities for RISC-V architecture.
Investigating C++ Applications in Production on Linux and Windows
Explore advanced techniques for diagnosing and debugging C++ applications on Linux and Windows using lightweight, production-ready tools for various scenarios including high CPU load, memory leaks, and I/O issues.
Analyzing Your System with Tracing Libraries
Discover how to leverage tracing libraries like libtracefs, libtracecmd, and libtraceeval to analyze system performance, track event interactions, and perform offline analysis of Linux systems.
Kernel Function Tracing in the Face of Compiler Optimization
Explore advanced kernel function tracing techniques and overcome challenges posed by compiler optimizations in Linux systems.