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PERF(1)                           perf Manual                          PERF(1)

       perf - Performance analysis tools for Linux

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

           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

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

       -v, --version
           Display perf version.

       -h, --help
           Run perf help command.

       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                              01/23/2018                           PERF(1)