Consolidate --control option parsing into one function, in preparation
for adding FIFO file name options.
Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com>
Acked-by: NAlexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: NJiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20200901093758.32293-2-adrian.hunter@intel.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>