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
kmaps - Print kernel and module maps (perf script
and perf report without browser)
--debug-file
Write debug output to a specified file.
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)