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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
available 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.
What: /sys/devices/hv_24x7/interface/sockets
Date: May 2020
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description: read only
This sysfs interface exposes the number of sockets present in the
system.
What: /sys/devices/hv_24x7/interface/chipspersocket
Date: May 2020
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description: read only
This sysfs interface exposes the number of chips per socket
present in the system.
What: /sys/devices/hv_24x7/interface/coresperchip
Date: May 2020
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description: read only
This sysfs interface exposes the number of cores per chip
present in the system.
What: /sys/devices/hv_24x7/interface/cpumask
Date: July 2020
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description: read only
This sysfs file exposes the cpumask which is designated to make
HCALLs to retrieve hv-24x7 pmu event counter data.
What: /sys/bus/event_source/devices/hv_24x7/event_descs/<event-name>
Date: February 2014
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
Provides the description of a particular event as provided by
the firmware. If firmware does not provide a description, no
file will be created.
Note that the event-name lacks the domain suffix appended for
events in the events/ dir.
What: /sys/bus/event_source/devices/hv_24x7/event_long_descs/<event-name>
Date: February 2014
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:
Provides the "long" description of a particular event as
provided by the firmware. If firmware does not provide a
description, no file will be created.
Note that the event-name lacks the domain suffix appended for
events in the events/ dir.
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