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authorStephen Hemminger <stephen@networkplumber.org>2017-10-29 11:33:40 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-31 13:40:29 +0100
commit6981fbf3780366093858c5d2dcdaadcd1fbb04be (patch)
treed67f014f536afb83a2b87957a44e5265965dad82 /include/linux/hyperv.h
parent6fbf248a20d362a92de60beee9474faca0b54eee (diff)
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 'include/linux/hyperv.h')
-rw-r--r--include/linux/hyperv.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index ea6b5586ad77..f3e97c5f94c9 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -719,6 +719,10 @@ struct vmbus_channel {
struct vmbus_close_msg close_msg;
+ /* Statistics */
+ u64 interrupts; /* Host to Guest interrupts */
+ u64 sig_events; /* Guest to Host events */
+
/* Channel callback's invoked in softirq context */
struct tasklet_struct callback_event;
void (*onchannel_callback)(void *context);