perf − Performance analysis tools for Linux
perf [−−version] [−−help] [OPTIONS] COMMAND [ARGS]
−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
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.
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)