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authorStephen Hemminger <stephen@networkplumber.org>2017-10-29 21:33:40 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-31 15:40:29 +0300
commit6981fbf3780366093858c5d2dcdaadcd1fbb04be (patch)
treed67f014f536afb83a2b87957a44e5265965dad82 /Documentation/ABI/stable
parent6fbf248a20d362a92de60beee9474faca0b54eee (diff)
downloadlinux-6981fbf3780366093858c5d2dcdaadcd1fbb04be.tar.xz
Drivers: hv: vmbus: Expose per-channel interrupts and events counters
When investigating performance, it is useful to be able to look at the number of host and guest events per-channel. This is equivalent to per-device interrupt statistics. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/stable')
-rw-r--r--Documentation/ABI/stable/sysfs-bus-vmbus26
1 files changed, 20 insertions, 6 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-vmbus b/Documentation/ABI/stable/sysfs-bus-vmbus
index 0ebd8a1537a0..d4077cc60d55 100644
--- a/Documentation/ABI/stable/sysfs-bus-vmbus
+++ b/Documentation/ABI/stable/sysfs-bus-vmbus
@@ -61,39 +61,53 @@ Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Inbound channel signaling state
-Users: Debuggig tools
+Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/latency
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Channel signaling latency
-Users: Debuggig tools
+Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/out_mask
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Outbound channel signaling state
-Users: Debuggig tools
+Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/pending
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Channel interrupt pending state
-Users: Debuggig tools
+Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/read_avail
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Bytes availabble to read
-Users: Debuggig tools
+Users: Debugging tools
What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/write_avail
Date: September. 2017
KernelVersion: 4.14
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Bytes availabble to write
-Users: Debuggig tools
+Users: Debugging tools
+
+What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/events
+Date: September. 2017
+KernelVersion: 4.14
+Contact: Stephen Hemminger <sthemmin@microsoft.com>
+Description: Number of times we have signaled the host
+Users: Debugging tools
+
+What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/interrupts
+Date: September. 2017
+KernelVersion: 4.14
+Contact: Stephen Hemminger <sthemmin@microsoft.com>
+Description: Number of times we have taken an interrupt (incoming)
+Users: Debugging tools