1PERF(1) perf Manual PERF(1)
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6 perf - Performance analysis tools for Linux
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9 perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
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12 -h, --help
13 Run perf help command.
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15 -v, --version
16 Display perf version.
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18 -vv
19 Print the compiled-in status of libraries.
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21 --exec-path
22 Display or set exec path.
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24 --html-path
25 Display html documentation path.
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27 -p, --paginate
28 Set up pager.
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30 --no-pager
31 Do not set pager.
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33 --buildid-dir
34 Setup buildid cache directory. It has higher priority than
35 buildid.dir config file option.
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37 --list-cmds
38 List the most commonly used perf commands.
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40 --list-opts
41 List available perf options.
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43 --debugfs-dir
44 Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.
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46 --debug
47 Setup debug variable (see list below) in value range (0, 10). Use
48 like: --debug verbose # sets verbose = 1 --debug verbose=2 # sets
49 verbose = 2
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51 List of debug variables allowed to set:
52 verbose - general debug messages
53 ordered-events - ordered events object debug messages
54 data-convert - data convert command debug messages
55 stderr - write debug output (option -v) to stderr
56 in browser mode
57 perf-event-open - Print perf_event_open() arguments and
58 return value
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61 Performance counters for Linux are a new kernel-based subsystem that
62 provide a framework for all things performance analysis. It covers
63 hardware level (CPU/PMU, Performance Monitoring Unit) features and
64 software features (software counters, tracepoints) as well.
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67 perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1)
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69 perf-annotate(1),perf-archive(1), perf-bench(1), perf-buildid-cache(1),
70 perf-buildid-list(1), perf-c2c(1), perf-config(1), perf-data(1), perf-
71 diff(1), perf-evlist(1), perf-ftrace(1), perf-help(1), perf-inject(1),
72 perf-intel-pt(1), perf-kallsyms(1), perf-kmem(1), perf-kvm(1), perf-
73 lock(1), perf-mem(1), perf-probe(1), perf-sched(1), perf-script(1),
74 perf-test(1), perf-trace(1), perf-version(1)
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78perf 11/22/2021 PERF(1)