tools/perf/Documentation/perf.txt

Source file repositories/reference/linux-study-clean/tools/perf/Documentation/perf.txt

File Facts

System
Linux kernel
Corpus path
tools/perf/Documentation/perf.txt
Extension
.txt
Size
2801 bytes
Lines
97
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: documentation
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

perf(1)
=======

NAME
----
perf - Performance analysis tools for Linux

SYNOPSIS
--------
[verse]
'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.

Annotation

Implementation Notes