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 08/16] hyper-v: trace vmbus_onversion_response()
Date: Wed, 20 Sep 2017 19:21:59 +0200 [thread overview]
Message-ID: <20170920172207.12622-9-vkuznets@redhat.com> (raw)
In-Reply-To: <20170920172207.12622-1-vkuznets@redhat.com>
Add tracepoint to CHANNELMSG_VERSION_RESPONSE handler.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
drivers/hv/channel_mgmt.c | 3 +++
drivers/hv/hv_trace.h | 11 +++++++++++
2 files changed, 14 insertions(+)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 1ff2cc064850..a9a1fc1424c6 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1121,6 +1121,9 @@ static void vmbus_onversion_response(
unsigned long flags;
version_response = (struct vmbus_channel_version_response *)hdr;
+
+ trace_vmbus_onversion_response(version_response);
+
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_for_each_entry(msginfo, &vmbus_connection.chn_msg_list,
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 67e43dd59771..1478ec36967e 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -109,6 +109,17 @@ TRACE_EVENT(vmbus_ongpadl_torndown,
TP_printk("gpadl 0x%x", __entry->gpadl)
);
+TRACE_EVENT(vmbus_onversion_response,
+ TP_PROTO(const struct vmbus_channel_version_response *response),
+ TP_ARGS(response),
+ TP_STRUCT__entry(
+ __field(u8, ver)
+ ),
+ TP_fast_assign(__entry->ver = response->version_supported;
+ ),
+ TP_printk("version_supported %d", __entry->ver)
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.13.5
next 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 ` Vitaly Kuznetsov [this message]
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 ` [PATCH 16/16] hyper-v: trace vmbus_send_tl_connect_request() Vitaly Kuznetsov
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