From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: devel@linuxdriverproject.org
Cc: linux-kernel@vger.kernel.org,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
Steven Rostedt <rostedt@goodmis.org>,
Dexuan Cui <decui@microsoft.com>
Subject: [PATCH 16/16] hyper-v: trace vmbus_send_tl_connect_request()
Date: Wed, 20 Sep 2017 19:22:07 +0200 [thread overview]
Message-ID: <20170920172207.12622-17-vkuznets@redhat.com> (raw)
In-Reply-To: <20170920172207.12622-1-vkuznets@redhat.com>
Add tracepoint to CHANNELMSG_TL_CONNECT_REQUEST sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
drivers/hv/channel.c | 7 ++++++-
drivers/hv/hv_trace.h | 20 ++++++++++++++++++++
2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 2422ef6f9164..71bdd2bb6647 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -236,13 +236,18 @@ int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id,
const uuid_le *shv_host_servie_id)
{
struct vmbus_channel_tl_connect_request conn_msg;
+ int ret;
memset(&conn_msg, 0, sizeof(conn_msg));
conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST;
conn_msg.guest_endpoint_id = *shv_guest_servie_id;
conn_msg.host_service_id = *shv_host_servie_id;
- return vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+ ret = vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+
+ trace_vmbus_send_tl_connect_request(&conn_msg, ret);
+
+ return ret;
}
EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request);
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index f2c1f45df647..1d7e90fbeaa0 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -272,6 +272,26 @@ TRACE_EVENT(vmbus_release_relid,
)
);
+TRACE_EVENT(vmbus_send_tl_connect_request,
+ TP_PROTO(const struct vmbus_channel_tl_connect_request *msg,
+ int ret),
+ TP_ARGS(msg, ret),
+ TP_STRUCT__entry(
+ __array(char, guest_id, 16)
+ __array(char, host_id, 16)
+ __field(int, ret)
+ ),
+ TP_fast_assign(
+ memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16);
+ memcpy(__entry->host_id, &msg->host_service_id.b, 16);
+ __entry->ret = ret;
+ ),
+ TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, "
+ "ret %d",
+ __entry->guest_id, __entry->host_id, __entry->ret
+ )
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.13.5
prev parent reply other threads:[~2017-09-20 17:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 17:21 [PATCH 00/16] Hyper-V: add tracing to VMBus module and trace all messages Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 01/16] hyper-v: trace vmbus_on_msg_dpc() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 02/16] hyper-v: trace vmbus_on_message() Vitaly Kuznetsov
2017-09-20 17:55 ` Steven Rostedt
2017-09-21 8:17 ` Vitaly Kuznetsov
2017-10-03 16:54 ` Stephen Hemminger
2017-10-04 14:09 ` Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 03/16] hyper-v: trace vmbus_onoffer() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 04/16] hyper-v: trace vmbus_onoffer_rescind() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 05/16] hyper-v: trace vmbus_onopen_result() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 06/16] hyper-v: trace vmbus_ongpadl_created() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 07/16] hyper-v: trace vmbus_ongpadl_torndown() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 08/16] hyper-v: trace vmbus_onversion_response() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 09/16] hyper-v: trace vmbus_request_offers() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 10/16] hyper-v: trace vmbus_open() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 11/16] hyper-v: trace vmbus_close_internal() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 12/16] hyper-v: trace vmbus_establish_gpadl() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 13/16] hyper-v: trace vmbus_teardown_gpadl() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 14/16] hyper-v: trace vmbus_negotiate_version() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 15/16] hyper-v: trace vmbus_release_relid() Vitaly Kuznetsov
2017-09-20 17:22 ` Vitaly Kuznetsov [this message]
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