@interface MXMSystemSampleTag : MXMSampleTag @property (class, readonly, copy, nonatomic) MXMSystemSampleTag *CPUCores; @property (class, readonly, copy, nonatomic) MXMSystemSampleTag *CPUCoresPhysical; @property (class, readonly, copy, nonatomic) MXMSystemSampleTag *CPUCoresLogical; @end