projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| ad0a02b8 CS |
1 | What: /sys/bus/event_source/devices/hv_24x7/interface/catalog |
| 2 | Date: February 2014 | |
| dfdac393 | 3 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> |
| ad0a02b8 CS |
4 | Description: |
| 5 | Provides access to the binary "24x7 catalog" provided by the | |
| 6 | hypervisor on POWER7 and 8 systems. This catalog lists events | |
| 08559657 | 7 | available from the powerpc "hv_24x7" pmu. Its format is |
| ad0a02b8 CS |
8 | documented here: |
| 9 | https://raw.githubusercontent.com/jmesmon/catalog-24x7/master/hv-24x7-catalog.h | |
| 10 | ||
| 11 | What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_length | |
| 12 | Date: February 2014 | |
| dfdac393 | 13 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> |
| ad0a02b8 CS |
14 | Description: |
| 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 | ||
| 18 | What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_version | |
| 19 | Date: February 2014 | |
| dfdac393 | 20 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> |
| ad0a02b8 CS |
21 | Description: |
| 22 | Exposes the "version" field of the 24x7 catalog. This is also | |
| 23 | extractable from the provided binary "catalog" sysfs entry. | |
| 5c65670c | 24 | |
| 15cd1d35 KJ |
25 | What: /sys/devices/hv_24x7/interface/sockets |
| 26 | Date: May 2020 | |
| 27 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 28 | Description: read only | |
| 29 | This sysfs interface exposes the number of sockets present in the | |
| 30 | system. | |
| 31 | ||
| 32 | What: /sys/devices/hv_24x7/interface/chipspersocket | |
| 33 | Date: May 2020 | |
| 34 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 35 | Description: read only | |
| 36 | This sysfs interface exposes the number of chips per socket | |
| 37 | present in the system. | |
| 38 | ||
| 39 | What: /sys/devices/hv_24x7/interface/coresperchip | |
| 40 | Date: May 2020 | |
| 41 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 42 | Description: read only | |
| 43 | This sysfs interface exposes the number of cores per chip | |
| 44 | present in the system. | |
| 45 | ||
| 792f73f7 KJ |
46 | What: /sys/devices/hv_24x7/interface/cpumask |
| 47 | Date: July 2020 | |
| 48 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 49 | Description: 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 | ||
| 5c65670c CS |
53 | What: /sys/bus/event_source/devices/hv_24x7/event_descs/<event-name> |
| 54 | Date: February 2014 | |
| 55 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 56 | Description: | |
| 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 | ||
| 64 | What: /sys/bus/event_source/devices/hv_24x7/event_long_descs/<event-name> | |
| 65 | Date: February 2014 | |
| 66 | Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> | |
| 67 | Description: | |
| 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. |