1perf(1) 2======= 3 4NAME 5---- 6perf - Performance analysis tools for Linux 7 8SYNOPSIS 9-------- 10[verse] 11'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] 12 13OPTIONS 14------- 15--debug:: 16 Setup debug variable (see list below) in value 17 range (0, 10). Use like: 18 --debug verbose # sets verbose = 1 19 --debug verbose=2 # sets verbose = 2 20 21 List of debug variables allowed to set: 22 verbose - general debug messages 23 ordered-events - ordered events object debug messages 24 data-convert - data convert command debug messages 25 26--buildid-dir:: 27 Setup buildid cache directory. It has higher priority than 28 buildid.dir config file option. 29 30-v:: 31--version:: 32 Display perf version. 33 34-h:: 35--help:: 36 Run perf help command. 37 38DESCRIPTION 39----------- 40Performance counters for Linux are a new kernel-based subsystem 41that provide a framework for all things performance analysis. It 42covers hardware level (CPU/PMU, Performance Monitoring Unit) features 43and software features (software counters, tracepoints) as well. 44 45SEE ALSO 46-------- 47linkperf:perf-stat[1], linkperf:perf-top[1], 48linkperf:perf-record[1], linkperf:perf-report[1], 49linkperf:perf-list[1] 50