Codex

PERF

Section: User Commands (1)

Updated: 4 July 2010

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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.

SEE ALSO

perf_version?(1)


Index

NAME

SYNOPSIS

DESCRIPTION

SEE ALSO


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