From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- .../testing/sysfs-bus-event_source-devices-hv_24x7 | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 (limited to 'Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7') diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 new file mode 100644 index 0000000000..de390a010a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 @@ -0,0 +1,98 @@ +What: /sys/bus/event_source/devices/hv_24x7/format +Date: September 2020 +Contact: Linux on PowerPC Developer List +Description: Read-only. Attribute group to describe the magic bits + that go into perf_event_attr.config for a particular pmu. + (See ABI/testing/sysfs-bus-event_source-devices-format). + + Each attribute under this group defines a bit range of the + perf_event_attr.config. All supported attributes are listed + below:: + + chip = "config:16-31" + core = "config:16-31" + domain = "config:0-3" + lpar = "config:0-15" + offset = "config:32-63" + vcpu = "config:16-31" + + For example:: + + PM_PB_CYC = "domain=1,offset=0x80,chip=?,lpar=0x0" + + In this event, '?' after chip specifies that + this value will be provided by user while running this event. + +What: /sys/bus/event_source/devices/hv_24x7/interface/catalog +Date: February 2014 +Contact: Linux on PowerPC Developer List +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 +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 +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 +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 +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 +Description: read only + This sysfs interface exposes the number of cores per chip + present in the system. + +What: /sys/devices/hv_24x7/cpumask +Date: July 2020 +Contact: Linux on PowerPC Developer List +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/ +Date: February 2014 +Contact: Linux on PowerPC Developer List +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/ +Date: February 2014 +Contact: Linux on PowerPC Developer List +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. -- cgit v1.2.3