6 perf - Performance analysis tools for Linux
11 'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
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
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 stderr - write debug output (option -v) to stderr
29 Setup buildid cache directory. It has higher priority than
30 buildid.dir config file option.
38 Run perf help command.
42 Performance counters for Linux are a new kernel-based subsystem
43 that provide a framework for all things performance analysis. It
44 covers hardware level (CPU/PMU, Performance Monitoring Unit) features
45 and software features (software counters, tracepoints) as well.
49 linkperf:perf-stat[1], linkperf:perf-top[1],
50 linkperf:perf-record[1], linkperf:perf-report[1],