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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-10-29 22:21:16 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-04 14:04:26 +0300
commit991f8f1c6eb634688952fa6a03cc0ce949b6e363 (patch)
tree4751fc6d4cb24acca0acd2c409a62f0790bc308c /drivers/hv/channel.c
parent98f31a0050ca8ba47b57c6d67599013cdbdd2122 (diff)
downloadlinux-991f8f1c6eb634688952fa6a03cc0ce949b6e363.tar.xz
hyper-v: trace channel events
Added an additional set of trace points for when channel gets notified or signals host. Suggested-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/channel.c')
-rw-r--r--drivers/hv/channel.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index ed3634e53e15..19f0cf37e0ed 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -43,6 +43,8 @@ void vmbus_setevent(struct vmbus_channel *channel)
{
struct hv_monitor_page *monitorpage;
+ trace_vmbus_setevent(channel);
+
/*
* For channels marked as in "low latency" mode
* bypass the monitor page mechanism.