NAME

perf - Performance analysis tools for Linux

SYNOPSIS

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

OPTIONS

-h, --help
Run perf help command.
 
-v, --version
Display perf version.
 
-vv
Print the compiled-in status of libraries.
 
--exec-path
Display or set exec path.
 
--html-path
Display html documentation path.
 
-p, --paginate
Set up pager.
 
--no-pager
Do not set pager.
 
--buildid-dir
Setup buildid cache directory. It has higher priority than buildid.dir config file option.
 
--list-cmds
List the most commonly used perf commands.
 
--list-opts
List available perf options.
 
--debugfs-dir
Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.
 
--debug
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

DESCRIPTION

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.

SEE ALSO

perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1)
 
perf-annotate(1),perf-archive(1),perf-arm-spe(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-iostat(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)