record  - record a live trace and write a trace.dat file to the


          local disk or to the network.

set     - set a ftrace configuration parameter.

report  - reads a trace.dat file and converts the binary data to a


          ASCII text readable format.

stream  - Start tracing and read the output directly

profile - Start profiling and read the output directly

hist    - show a histogram of the events.

stat    - show tracing (ftrace) status of the running system

options - list the plugin options that are available to *report*

start   - start the tracing without recording to a trace.dat file.

stop    - stop tracing (only disables recording, overhead of tracer


          is still in effect)

restart - restart tracing from a previous stop (only effects recording)

extract - extract the data from the kernel buffer and create a trace.dat


          file.

show    - display the contents of one of the Ftrace Linux kernel tracing files

reset   - disables all tracing and gives back the system performance.


          (clears all data from the kernel buffers)

clear   - clear the content of the Ftrace ring buffers.

split   - splits a trace.dat file into smaller files.

list    - list the available plugins or events that can be recorded.

listen  - open up a port to listen for remote tracing connections.

agent   - listen on a vsocket for trace clients

setup-guest - create FIFOs for tracing guest VMs

restore - restore the data files of a crashed run of trace-cmd record

snapshot- take snapshot of running trace

stack   - run and display the stack tracer

check-events - parse format strings for all trace events and return


               whether all formats are parseable

convert   - convert trace files

dump    - read out the meta data from a trace file

Display the help text.

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