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 v2 14/16] hyper-v: trace vmbus_negotiate_version()
Date: Fri, 29 Sep 2017 15:26:00 +0200 [thread overview]
Message-ID: <20170929132602.24487-15-vkuznets@redhat.com> (raw)
In-Reply-To: <20170929132602.24487-1-vkuznets@redhat.com>
Add tracepoint to CHANNELMSG_INITIATE_CONTACT sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
drivers/hv/connection.c | 3 +++
drivers/hv/hv_trace.h | 26 ++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index f41901f80b64..5e36f86d0b0c 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -117,6 +117,9 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
ret = vmbus_post_msg(msg,
sizeof(struct vmbus_channel_initiate_contact),
true);
+
+ trace_vmbus_negotiate_version(msg, ret);
+
if (ret != 0) {
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_del(&msginfo->msglistentry);
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 6c585a012a40..570482014740 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -232,6 +232,32 @@ TRACE_EVENT(vmbus_teardown_gpadl,
)
);
+TRACE_EVENT(vmbus_negotiate_version,
+ TP_PROTO(const struct vmbus_channel_initiate_contact *msg, int ret),
+ TP_ARGS(msg, ret),
+ TP_STRUCT__entry(
+ __field(u32, ver)
+ __field(u32, target_vcpu)
+ __field(int, ret)
+ __field(u64, int_page)
+ __field(u64, mon_page1)
+ __field(u64, mon_page2)
+ ),
+ TP_fast_assign(
+ __entry->ver = msg->vmbus_version_requested;
+ __entry->target_vcpu = msg->target_vcpu;
+ __entry->int_page = msg->interrupt_page;
+ __entry->mon_page1 = msg->monitor_page1;
+ __entry->mon_page2 = msg->monitor_page2;
+ __entry->ret = ret;
+ ),
+ TP_printk("sending vmbus_version_requested %d, target_vcpu 0x%x, "
+ "pages %llx:%llx:%llx, ret %d",
+ __entry->ver, __entry->target_vcpu, __entry->int_page,
+ __entry->mon_page1, __entry->mon_page2, __entry->ret
+ )
+ );
+
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
--
2.13.5
next prev parent reply other threads:[~2017-09-29 13:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-29 13:25 [PATCH v2 00/16] Hyper-V: add tracing to VMBus module and trace all messages Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 01/16] hyper-v: trace vmbus_on_msg_dpc() Vitaly Kuznetsov
2017-10-02 0:18 ` kbuild test robot
2017-10-04 0:08 ` Steven Rostedt
2017-09-29 13:25 ` [PATCH v2 02/16] hyper-v: trace vmbus_on_message() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 03/16] hyper-v: trace vmbus_onoffer() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 04/16] hyper-v: trace vmbus_onoffer_rescind() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 05/16] hyper-v: trace vmbus_onopen_result() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 06/16] hyper-v: trace vmbus_ongpadl_created() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 07/16] hyper-v: trace vmbus_ongpadl_torndown() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 08/16] hyper-v: trace vmbus_onversion_response() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 09/16] hyper-v: trace vmbus_request_offers() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 10/16] hyper-v: trace vmbus_open() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 11/16] hyper-v: trace vmbus_close_internal() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 12/16] hyper-v: trace vmbus_establish_gpadl() Vitaly Kuznetsov
2017-09-29 13:25 ` [PATCH v2 13/16] hyper-v: trace vmbus_teardown_gpadl() Vitaly Kuznetsov
2017-09-29 13:26 ` Vitaly Kuznetsov [this message]
2017-09-29 13:26 ` [PATCH v2 15/16] hyper-v: trace vmbus_release_relid() Vitaly Kuznetsov
2017-09-29 13:26 ` [PATCH v2 16/16] hyper-v: trace vmbus_send_tl_connect_request() Vitaly Kuznetsov
2017-10-03 17:10 ` Stephen Hemminger
2017-10-04 14:10 ` Vitaly Kuznetsov
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