perf(1)
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=======
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NAME
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----
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perf - Performance analysis tools for Linux
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SYNOPSIS
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--------
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[verse]
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'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
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OPTIONS
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-------
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-h::
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--help::
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Run perf help command.
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-v::
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--version::
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Display perf version.
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-vv::
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Print the compiled-in status of libraries.
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--exec-path::
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Display or set exec path.
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--html-path::
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Display html documentation path.
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-p::
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--paginate::
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Set up pager.
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--no-pager::
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Do not set pager.
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--buildid-dir::
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Setup buildid cache directory. It has higher priority
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than buildid.dir config file option.
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--list-cmds::
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List the most commonly used perf commands.
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--list-opts::
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List available perf options.
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--debugfs-dir::
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Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.
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--debug::
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Setup debug variable (see list below) in value
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range (0, 10). Use like:
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--debug verbose # sets verbose = 1
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--debug verbose=2 # sets verbose = 2
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List of debug variables allowed to set:
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verbose - general debug messages
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ordered-events - ordered events object debug messages
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data-convert - data convert command debug messages
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stderr - write debug output (option -v) to stderr
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in browser mode
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perf-event-open - Print perf_event_open() arguments and
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return value
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DESCRIPTION
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-----------
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Performance counters for Linux are a new kernel-based subsystem
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that provide a framework for all things performance analysis. It
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covers hardware level (CPU/PMU, Performance Monitoring Unit) features
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and software features (software counters, tracepoints) as well.
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SEE ALSO
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--------
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linkperf:perf-stat[1], linkperf:perf-top[1],
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linkperf:perf-record[1], linkperf:perf-report[1],
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linkperf:perf-list[1]
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