Understanding Linux Software Performance Events and Using perf for Profiling

This article explains how software performance events in the Linux kernel affect application performance, demonstrates how to list, count, and trace these events with perf, and shows how to visualize the results using FlameGraph to pinpoint bottlenecks such as cache misses, context switches, and page faults.

CPULinuxcontext switches

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Understanding Linux Software Performance Events and Using perf for Profiling

MaGe Linux Operations

Apr 29, 2017 · Operations

Unlocking Server Performance: The Four Hidden Killers You Must Eliminate

This article shares years of server‑development experience, explaining how data copies, context switches, memory allocation, and lock contention act as the four main performance killers and offering practical strategies to mitigate each for faster, more scalable services.

context switchesdata copieslock contention

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Unlocking Server Performance: The Four Hidden Killers You Must Eliminate

MaGe Linux Operations

Oct 13, 2015 · Fundamentals

Linux CPU Scheduling Explained: Context Switches, Run Queues & Monitoring

This article outlines how the Linux CPU scheduler manages threads and interrupts, explains context switches, run queue length, CPU utilization metrics, typical performance thresholds, and introduces monitoring tools like vmstat and mpstat, followed by real‑world troubleshooting examples.

CPU schedulingLinux performanceMonitoring Tools

0 likes · 6 min read

Linux CPU Scheduling Explained: Context Switches, Run Queues & Monitoring