OpenCloudOS-Kernel/tools/perf/Documentation/perf-data.txt

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perf-data(1)
============
NAME
----
perf-data - Data file related processing
SYNOPSIS
--------
[verse]
'perf data' [<common options>] <command> [<options>]",
DESCRIPTION
-----------
Data file related processing.
COMMANDS
--------
convert::
Converts perf data file into another format (only CTF [1] format is support by now).
It's possible to set data-convert debug variable to get debug messages from conversion,
like:
perf --debug data-convert data convert ...
OPTIONS for 'convert'
---------------------
--to-ctf::
Triggers the CTF conversion, specify the path of CTF data directory.
-i::
Specify input perf data file path.
-f::
--force::
Don't complain, do it.
-v::
--verbose::
Be more verbose (show counter open errors, etc).
--all::
Convert all events, including non-sample events (comm, fork, ...), to output.
Default is off, only convert samples.
SEE ALSO
--------
linkperf:perf[1]
[1] Common Trace Format - http://www.efficios.com/ctf