| What: /sys/bus/event_source/devices/vpa_dtl/format |
| Date: February 2025 |
| Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org> |
| 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. Supported attribute are listed |
| below:: |
| |
| event = "config:0-7" - event ID |
| |
| For example:: |
| |
| dtl_cede = "event=0x1" |
| |
| What: /sys/bus/event_source/devices/vpa_dtl/events |
| Date: February 2025 |
| Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org> |
| Description: (RO) Attribute group to describe performance monitoring events |
| for the Virtual Processor Dispatch Trace Log. Each attribute in |
| this group describes a single performance monitoring event |
| supported by vpa_dtl pmu. The name of the file is the name of |
| the event (See ABI/testing/sysfs-bus-event_source-devices-events). |