InITNEXTbyDichen Li·Aug 14Kernel Context Switch Costs And Spin Locks In Perf Profile: A Practical StudySpoiler: On a workload with heavy semaphore wait/post, I observed heavy CPU consumption in perf profiling result in finish_task_switch /…
Linux Guide·Dec 20, 2025Expert Guide to Networking Performance in LinuxThis technical guide offers strategies for optimizing network performance in Linux environments, tailored for experienced system…
Linux Guide·Dec 2, 2025Mastering I/O Scheduler Tuning in Production EnvironmentsThe efficacy of modern high-performance infrastructure hinges critically upon the operating system’s ability to efficiently manage storage…