1What: /sys/bus/event_source/devices/hv_24x7/interface/catalog 2Date: February 2014 3Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 4Description: 5 Provides access to the binary "24x7 catalog" provided by the 6 hypervisor on POWER7 and 8 systems. This catalog lists events 7 available from the powerpc "hv_24x7" pmu. Its format is 8 documented here: 9 https://raw.githubusercontent.com/jmesmon/catalog-24x7/master/hv-24x7-catalog.h 10 11What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_length 12Date: February 2014 13Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 14Description: 15 A number equal to the length in bytes of the catalog. This is 16 also extractable from the provided binary "catalog" sysfs entry. 17 18What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_version 19Date: February 2014 20Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 21Description: 22 Exposes the "version" field of the 24x7 catalog. This is also 23 extractable from the provided binary "catalog" sysfs entry. 24 25What: /sys/devices/hv_24x7/interface/sockets 26Date: May 2020 27Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 28Description: read only 29 This sysfs interface exposes the number of sockets present in the 30 system. 31 32What: /sys/devices/hv_24x7/interface/chipspersocket 33Date: May 2020 34Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 35Description: read only 36 This sysfs interface exposes the number of chips per socket 37 present in the system. 38 39What: /sys/devices/hv_24x7/interface/coresperchip 40Date: May 2020 41Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 42Description: read only 43 This sysfs interface exposes the number of cores per chip 44 present in the system. 45 46What: /sys/devices/hv_24x7/interface/cpumask 47Date: July 2020 48Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 49Description: read only 50 This sysfs file exposes the cpumask which is designated to make 51 HCALLs to retrieve hv-24x7 pmu event counter data. 52 53What: /sys/bus/event_source/devices/hv_24x7/event_descs/<event-name> 54Date: February 2014 55Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 56Description: 57 Provides the description of a particular event as provided by 58 the firmware. If firmware does not provide a description, no 59 file will be created. 60 61 Note that the event-name lacks the domain suffix appended for 62 events in the events/ dir. 63 64What: /sys/bus/event_source/devices/hv_24x7/event_long_descs/<event-name> 65Date: February 2014 66Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> 67Description: 68 Provides the "long" description of a particular event as 69 provided by the firmware. If firmware does not provide a 70 description, no file will be created. 71 72 Note that the event-name lacks the domain suffix appended for 73 events in the events/ dir. 74