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       perf - Performance analysis tools for Linux


       perf [--version] [--help] [OPTIONS] COMMAND [ARGS]


       -h, --help
           Run perf help command.

       -v, --version
           Display perf version.

           Print the compiled-in status of libraries.

           Display or set exec path.

           Display html documentation path.

       -p, --paginate
           Set up pager.

           Do not set pager.

           Setup buildid cache directory. It has higher priority than buildid.dir config file

           List the most commonly used perf commands.

           List available perf options.

           Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.

           Setup debug variable (see list below) in value range (0, 10). Use like: --debug
           verbose # sets verbose = 1 --debug verbose=2 # sets verbose = 2

               List of debug variables allowed to set:
                 verbose          - general debug messages
                 ordered-events   - ordered events object debug messages
                 data-convert     - data convert command debug messages
                 stderr           - write debug output (option -v) to stderr
                                    in browser mode
                 perf-event-open  - Print perf_event_open() arguments and
                                    return value


       Performance counters for Linux 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.


       perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1)

       perf-annotate(1),perf-archive(1), perf-bench(1), perf-buildid-cache(1), perf-buildid-
       list(1), perf-c2c(1), perf-config(1), perf-data(1), perf-diff(1), perf-evlist(1), perf-
       ftrace(1), perf-help(1), perf-inject(1), perf-intel-pt(1), perf-kallsyms(1), perf-kmem(1),
       perf-kvm(1), perf-lock(1), perf-mem(1), perf-probe(1), perf-sched(1), perf-script(1),
       perf-test(1), perf-trace(1), perf-version(1)