| What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog | 
 | Date:		February 2014 | 
 | Contact:	Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | 
 | Description: | 
 | 		Provides access to the binary "24x7 catalog" provided by the | 
 | 		hypervisor on POWER7 and 8 systems. This catalog lists events | 
 | 		avaliable from the powerpc "hv_24x7" pmu. Its format is | 
 | 		documented here: | 
 | 		https://raw.githubusercontent.com/jmesmon/catalog-24x7/master/hv-24x7-catalog.h | 
 |  | 
 | What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog_length | 
 | Date:		February 2014 | 
 | Contact:	Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | 
 | Description: | 
 | 		A number equal to the length in bytes of the catalog. This is | 
 | 		also extractable from the provided binary "catalog" sysfs entry. | 
 |  | 
 | What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog_version | 
 | Date:		February 2014 | 
 | Contact:	Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | 
 | Description: | 
 | 		Exposes the "version" field of the 24x7 catalog. This is also | 
 | 		extractable from the provided binary "catalog" sysfs entry. |