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187 lines
6.6 KiB
187 lines
6.6 KiB
What: /sys/bus/vmbus/hibernation |
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Date: Jan 2021 |
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KernelVersion: 5.12 |
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Contact: Dexuan Cui <[email protected]> |
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Description: Whether the host supports hibernation for the VM. |
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Users: Daemon that sets up swap partition/file for hibernation. |
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What: /sys/bus/vmbus/devices/<UUID>/id |
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Date: Jul 2009 |
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KernelVersion: 2.6.31 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The VMBus child_relid of the device's primary channel |
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Users: tools/hv/lsvmbus |
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What: /sys/bus/vmbus/devices/<UUID>/class_id |
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Date: Jul 2009 |
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KernelVersion: 2.6.31 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The VMBus interface type GUID of the device |
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Users: tools/hv/lsvmbus |
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What: /sys/bus/vmbus/devices/<UUID>/device_id |
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Date: Jul 2009 |
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KernelVersion: 2.6.31 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The VMBus interface instance GUID of the device |
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Users: tools/hv/lsvmbus |
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What: /sys/bus/vmbus/devices/<UUID>/channel_vp_mapping |
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Date: Jul 2015 |
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KernelVersion: 4.2.0 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The mapping of which primary/sub channels are bound to which |
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Virtual Processors. |
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Format: <channel's child_relid:the bound cpu's number> |
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Users: tools/hv/lsvmbus |
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What: /sys/bus/vmbus/devices/<UUID>/device |
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Date: Dec. 2015 |
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KernelVersion: 4.5 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The 16 bit device ID of the device |
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Users: tools/hv/lsvmbus and user level RDMA libraries |
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What: /sys/bus/vmbus/devices/<UUID>/vendor |
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Date: Dec. 2015 |
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KernelVersion: 4.5 |
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Contact: K. Y. Srinivasan <[email protected]> |
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Description: The 16 bit vendor ID of the device |
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Users: tools/hv/lsvmbus and user level RDMA libraries |
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What: /sys/bus/vmbus/devices/<UUID>/numa_node |
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Date: Jul 2018 |
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KernelVersion: 4.19 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: This NUMA node to which the VMBUS device is |
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attached, or -1 if the node is unknown. |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N> |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Directory for per-channel information |
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NN is the VMBUS relid associated with the channel. |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: VCPU (sub)channel is affinitized to |
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Users: tools/hv/lsvmbus and other debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/in_mask |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Host to guest channel interrupt mask |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/latency |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Channel signaling latency. This file is available only for |
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performance critical channels (storage, network, etc.) that use |
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the monitor page mechanism. |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_mask |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Guest to host channel interrupt mask |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/pending |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Channel interrupt pending state. This file is available only for |
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performance critical channels (storage, network, etc.) that use |
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the monitor page mechanism. |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/read_avail |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Bytes available to read |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/write_avail |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Bytes available to write |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/events |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Number of times we have signaled the host |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/interrupts |
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Date: September. 2017 |
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KernelVersion: 4.14 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Number of times we have taken an interrupt (incoming) |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/subchannel_id |
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Date: January. 2018 |
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KernelVersion: 4.16 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Subchannel ID associated with VMBUS channel |
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Users: Debugging tools and userspace drivers |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/monitor_id |
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Date: January. 2018 |
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KernelVersion: 4.16 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Monitor bit associated with channel. This file is available only |
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for performance critical channels (storage, network, etc.) that |
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use the monitor page mechanism. |
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Users: Debugging tools and userspace drivers |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/ring |
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Date: January. 2018 |
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KernelVersion: 4.16 |
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Contact: Stephen Hemminger <[email protected]> |
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Description: Binary file created by uio_hv_generic for ring buffer |
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Users: Userspace drivers |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_in_full |
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Date: February 2019 |
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KernelVersion: 5.0 |
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Contact: Michael Kelley <[email protected]> |
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Description: Number of guest to host interrupts caused by the inbound ring |
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buffer transitioning from full to not full while a packet is |
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waiting for buffer space to become available |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_out_empty |
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Date: February 2019 |
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KernelVersion: 5.0 |
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Contact: Michael Kelley <[email protected]> |
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Description: Number of guest to host interrupts caused by the outbound ring |
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buffer transitioning from empty to not empty |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_first |
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Date: February 2019 |
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KernelVersion: 5.0 |
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Contact: Michael Kelley <[email protected]> |
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Description: Number of write operations that were the first to encounter an |
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outbound ring buffer full condition |
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Users: Debugging tools |
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What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_total |
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Date: February 2019 |
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KernelVersion: 5.0 |
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Contact: Michael Kelley <[email protected]> |
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Description: Total number of write operations that encountered an outbound |
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ring buffer full condition |
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Users: Debugging tools
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