aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hv/vmbus_drv.c
diff options
context:
space:
mode:
authorVitaly Kuznetsov <vkuznets@redhat.com>2017-10-29 12:21:16 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-04 12:04:26 +0100
commit991f8f1c6eb634688952fa6a03cc0ce949b6e363 (patch)
tree4751fc6d4cb24acca0acd2c409a62f0790bc308c /drivers/hv/vmbus_drv.c
parenthyper-v: trace vmbus_send_tl_connect_request() (diff)
downloadlinux-dev-991f8f1c6eb634688952fa6a03cc0ce949b6e363.tar.xz
linux-dev-991f8f1c6eb634688952fa6a03cc0ce949b6e363.zip
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/vmbus_drv.c')
-rw-r--r--drivers/hv/vmbus_drv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 8f9293a87c6b..6a86746d4f60 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -946,6 +946,8 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu)
if (channel->rescind)
continue;
+ trace_vmbus_chan_sched(channel);
+
++channel->interrupts;
switch (channel->callback_mode) {