perf script: Filter COMM/FORK/.. events by CPU

The --cpu option only filtered samples. Filter other perf events, such
as COMM, FORK, SWITCH by the CPU too.

Reported-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190311144502.15423-2-andi@firstfloor.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>