52 lines
1.2 KiB
Plaintext
52 lines
1.2 KiB
Plaintext
perf(1)
|
|
=======
|
|
|
|
NAME
|
|
----
|
|
perf - Performance analysis tools for Linux
|
|
|
|
SYNOPSIS
|
|
--------
|
|
[verse]
|
|
'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
|
|
|
|
OPTIONS
|
|
-------
|
|
--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
|
|
|
|
--buildid-dir::
|
|
Setup buildid cache directory. It has higher priority than
|
|
buildid.dir config file option.
|
|
|
|
-v::
|
|
--version::
|
|
Display perf version.
|
|
|
|
-h::
|
|
--help::
|
|
Run perf help command.
|
|
|
|
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
|
|
--------
|
|
linkperf:perf-stat[1], linkperf:perf-top[1],
|
|
linkperf:perf-record[1], linkperf:perf-report[1],
|
|
linkperf:perf-list[1]
|