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    PERF

    WillieBy Updated:No Comments1 Min Read
     

    NAME

    perf – performance analysis tools for Linux  

    SYNOPSIS

    perf [–version] [–help] COMMAND [ARGS]
     

    DESCRIPTION

    Performance counters for Linux are are a new kernel-based subsystem that provide a framework for all things performance analysis. It covers hardware level (CPU/PMU, Performance Monitoring Unit) features and software features (software counters, tracepoints) as well.

    Each version of the perf tools may depend on new kernel features, so you must install a different version for each kernel version. The perf command will automatically run the correct version for the running kernel version.  

    Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.

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