From: kys@exchange.microsoft.com
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
vkuznets@redhat.com, jasowang@redhat.com,
leann.ogasawara@canonical.com, marcelo.cerri@canonical.com,
sthemmin@microsoft.com
Cc: "K . Y . Srinivasan" <kys@microsoft.com>
Subject: [PATCH 09/17] hyper-v: trace vmbus_request_offers()
Date: Sun, 29 Oct 2017 12:21:08 -0700 [thread overview]
Message-ID: <20171029192116.12466-9-kys@exchange.microsoft.com> (raw)
In-Reply-To: <20171029192116.12466-1-kys@exchange.microsoft.com>
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Add tracepoint to CHANNELMSG_REQUESTOFFERS sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.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 c33b7412f303..b27edff8796e 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1224,9 +1224,11 @@ 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 2a046547107f..566ac0f2fe56 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
--
2.14.1
next prev parent reply other threads:[~2017-10-29 19:22 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-29 19:20 [PATCH 00/17] Drivers: hv: vmbus: Add tracing to VMBus kys
2017-10-29 19:21 ` [PATCH 01/17] hyper-v: trace vmbus_on_msg_dpc() kys
2017-10-29 19:21 ` [PATCH 02/17] hyper-v: trace vmbus_on_message() kys
2017-10-29 19:21 ` [PATCH 03/17] hyper-v: trace vmbus_onoffer() kys
2017-10-29 19:21 ` [PATCH 04/17] hyper-v: trace vmbus_onoffer_rescind() kys
2017-10-29 19:21 ` [PATCH 05/17] hyper-v: trace vmbus_onopen_result() kys
2017-10-29 19:21 ` [PATCH 06/17] hyper-v: trace vmbus_ongpadl_created() kys
2017-10-29 19:21 ` [PATCH 07/17] hyper-v: trace vmbus_ongpadl_torndown() kys
2017-10-29 19:21 ` [PATCH 08/17] hyper-v: trace vmbus_onversion_response() kys
2017-10-29 19:21 ` kys [this message]
2017-10-29 19:21 ` [PATCH 10/17] hyper-v: trace vmbus_open() kys
2017-10-29 20:59 ` Greg KH
2017-10-30 8:16 ` Vitaly Kuznetsov
2017-10-30 8:45 ` Greg KH
2017-10-30 10:07 ` Vitaly Kuznetsov
2017-10-30 10:32 ` Greg KH
2017-10-30 14:31 ` Steven Rostedt
2017-10-31 12:48 ` Greg KH
2017-10-31 13:10 ` Steven Rostedt
2017-11-01 17:43 ` KY Srinivasan
2017-11-04 11:05 ` Greg KH
2017-11-04 15:09 ` KY Srinivasan
2017-10-31 17:41 ` Stephen Hemminger
2017-10-29 19:21 ` [PATCH 11/17] hyper-v: trace vmbus_close_internal() kys
2017-10-29 19:21 ` [PATCH 12/17] hyper-v: trace vmbus_establish_gpadl() kys
2017-10-29 19:21 ` [PATCH 13/17] hyper-v: trace vmbus_teardown_gpadl() kys
2017-10-29 19:21 ` [PATCH 14/17] hyper-v: trace vmbus_negotiate_version() kys
2017-10-29 19:21 ` [PATCH 15/17] hyper-v: trace vmbus_release_relid() kys
2017-10-29 19:21 ` [PATCH 16/17] hyper-v: trace vmbus_send_tl_connect_request() kys
2017-10-29 19:21 ` [PATCH 17/17] hyper-v: trace channel events kys
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