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| author | Vitaly Kuznetsov | 2017-10-29 20:21:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2017-11-04 12:04:24 +0100 |
| commit | 716fa52fb474a36ddd3cbc981108f93610c973ef (patch) | |
| tree | 9fb42e3f344aa4810d7e6ac781f37f7ba2fcc3db /drivers/hv/channel_mgmt.c | |
| parent | hyper-v: trace vmbus_on_msg_dpc() (diff) | |
| download | kernel-qcow2-linux-716fa52fb474a36ddd3cbc981108f93610c973ef.tar.gz kernel-qcow2-linux-716fa52fb474a36ddd3cbc981108f93610c973ef.tar.xz kernel-qcow2-linux-716fa52fb474a36ddd3cbc981108f93610c973ef.zip | |
hyper-v: trace vmbus_on_message()
Add tracepoint to vmbus_on_message() which is called when we start
processing a blocking from work context.
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_mgmt.c')
| -rw-r--r-- | drivers/hv/channel_mgmt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index a8dc9a164631..71d4d68488d4 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1176,6 +1176,8 @@ void vmbus_onmessage(void *context) hdr = (struct vmbus_channel_message_header *)msg->u.payload; size = msg->header.payload_size; + trace_vmbus_on_message(hdr); + if (hdr->msgtype >= CHANNELMSG_COUNT) { pr_err("Received invalid channel message type %d size %d\n", hdr->msgtype, size); |