Add tracepoint to CHANNELMSG_REQUESTOFFERS sender.
Signed-off-by: Vitaly Kuznetsov <vkuzn...@redhat.com>
---
drivers/hv/channel_mgmt.c | 4 +++-
drivers/hv/hv_trace.h | 8 ++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index a9a1fc1424c6..5c39388545f5 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1218,9 +1218,11 @@ int vmbus_request_offers(void)
msg->msgtype = CHANNELMSG_REQUESTOFFERS;
-
ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_message_header),
true);
+
+ trace_vmbus_request_offers(ret);
+
if (ret != 0) {
pr_err("Unable to request offers - %d\n", ret);
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index e99db56d27b7..7212d8898775 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -122,6 +122,14 @@ TRACE_EVENT(vmbus_onversion_response,
TP_printk("version_supported %d", __entry->ver)
);
+TRACE_EVENT(vmbus_request_offers,
+ TP_PROTO(int ret),
+ TP_ARGS(ret),
+ TP_STRUCT__entry(__field(int, ret)),
+ TP_fast_assign(__entry->ret = ret),
+ TP_printk("sending ret %d", __entry->ret)
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.13.5
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
