perf tests: Make attr script test event cpu

Make attr script to check for 'cpu' when testing event properties. This
will allow us to check the '-C X' option for both record and stat
commands.

Signed-off-by: Jiri Olsa <[e-mail]>
Cc: Corey Ashford <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Frederic Weisbecker <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Oleg Nesterov <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/attr.py

···
 
 class Event(dict):
     terms = [
+        'cpu',
         'flags',
         'type',
         'size',

tools/perf/tests/attr/base-record

···
 fd=1
 group_fd=-1
 flags=0
+cpu=*
 type=0|1
 size=96
 config=0

tools/perf/tests/attr/base-stat

···
 fd=1
 group_fd=-1
 flags=0
+cpu=*
 type=0
 size=96
 config=0