PERF(1) perf Manual PERF(1) (NAME) perf - (SYNOPSIS) perf [--version] [--help] [OPTIONS] COMMAND [ARGS] (OPTIONS) -h, --help perf help. -v, --version perf. -vv . --exec-path (exec path). --html-path html. -p, --paginate (pager). --no-pager (pager). --buildid-dir (cache) buildid. buildid.dir . --list-cmds perf. --list-opts perf. --debugfs-dir debugfs PERF_DEBUGFS_DIR. --debug ( ) (0, 10). : --debug verbose # verbose = 1 --debug verbose=2 # verbose = 2 : verbose - ordered-events - data-convert - data convert stderr - ( -v) stderr perf-event-open - perf_event_open() kmaps - (perf script perf report ) --debug-file . (DESCRIPTION) (Performance counters for Linux) . (CPU/PMU Performance Monitoring Unit) ( tracepoints) . (SEE ALSO) perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1) perf-amd-ibs(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) perf 09/04/2026 PERF(1)