установить параметр конфигурации внутреннего трассировщика Ftrace Linux (set a configuration parameter of the Ftrace Linux internal tracer)
Описание (Description)
The trace-cmd(1) set command will set a configuration parameter
of the Ftrace Linux kernel tracer. The specified command
will be
run after the ftrace state is set. The configured ftrace state
can be restored to default using the trace-cmd-reset(1) command.