From 9f23ce1a23b6bf471d5920bdca5cc40940419e60 Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Sun, 29 Oct 2017 12:21:04 -0700 Subject: [PATCH] hyper-v: trace vmbus_onopen_result() Add tracepoint to CHANNELMSG_OPENCHANNEL_RESULT handler. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel_mgmt.c | 2 ++ drivers/hv/hv_trace.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index cfe5c9c6a87c..c735abe01712 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -986,6 +986,8 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr) result = (struct vmbus_channel_open_result *)hdr; + trace_vmbus_onopen_result(result); + /* * Find the open msg, copy the result and signal/unblock the wait event */ diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index dbbed1d1f327..9757c19d1c08 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -69,6 +69,23 @@ TRACE_EVENT(vmbus_onoffer_rescind, TP_printk("child_relid 0x%x", __entry->child_relid) ); +TRACE_EVENT(vmbus_onopen_result, + TP_PROTO(const struct vmbus_channel_open_result *result), + TP_ARGS(result), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, openid) + __field(u32, status) + ), + TP_fast_assign(__entry->child_relid = result->child_relid; + __entry->openid = result->openid; + __entry->status = result->status; + ), + TP_printk("child_relid 0x%x, openid %d, status %d", + __entry->child_relid, __entry->openid, __entry->status + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.30.2