perf mem: Allow all record/report options

For perf mem report / perf mem record, pass all unknown options
through to the underlying report/record commands. This makes things
like

perf mem record -a sleep 1

work. Matches how c2c and other tools work.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20180406203812.3087-2-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt
index b021141..8806ed5 100644
--- a/tools/perf/Documentation/perf-mem.txt
+++ b/tools/perf/Documentation/perf-mem.txt
@@ -67,6 +67,9 @@
 --phys-data::
 	Record/Report sample physical addresses
 
+In addition, for report all perf report options are valid, and for record
+all perf record options.
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-report[1]