trace-cmd: Add tracecmd_create_recorder_virt() function

Add tracecmd_create_recorder_virt() which creates tracecmd_recorder recording
tracing data from the trace_fd parameter instead of from the local systems
tracefs. It will be used for recording tracing data coming from VMs.

Link: http://lore.kernel.org/linux-trace-devel/20191008081537.11536-4-kaslevs@vmware.com

Signed-off-by: Slavomir Kaslev <kaslevs@vmware.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2 files changed