Coerce event field type to int

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Using shades of red for CPU Frequency

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Show CPU status in addition to its frequency

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>