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 10/17] hyper-v: trace vmbus_open()
Date: Sun, 29 Oct 2017 12:21:09 -0700 [thread overview]
Message-ID: <20171029192116.12466-10-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_OPENCHANNEL sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
drivers/hv/channel.c | 2 ++
drivers/hv/hv_trace.h | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index a406beb10dd0..739b3fe1e0fb 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -185,6 +185,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
ret = vmbus_post_msg(open_msg,
sizeof(struct vmbus_channel_open_channel), true);
+ trace_vmbus_open(open_msg, ret);
+
if (ret != 0) {
err = ret;
goto error_clean_msglist;
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 566ac0f2fe56..38fedb803bd8 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -130,6 +130,33 @@ TRACE_EVENT(vmbus_request_offers,
TP_printk("sending ret %d", __entry->ret)
);
+TRACE_EVENT(vmbus_open,
+ TP_PROTO(const struct vmbus_channel_open_channel *msg, int ret),
+ TP_ARGS(msg, ret),
+ TP_STRUCT__entry(
+ __field(u32, child_relid)
+ __field(u32, openid)
+ __field(u32, gpadlhandle)
+ __field(u32, target_vp)
+ __field(u32, offset)
+ __field(int, ret)
+ ),
+ TP_fast_assign(
+ __entry->child_relid = msg->child_relid;
+ __entry->openid = msg->openid;
+ __entry->gpadlhandle = msg->ringbuffer_gpadlhandle;
+ __entry->target_vp = msg->target_vp;
+ __entry->offset = msg->downstream_ringbuffer_pageoffset;
+ __entry->ret = ret;
+ ),
+ TP_printk("sending child_relid 0x%x, openid %d, "
+ "gpadlhandle 0x%x, target_vp 0x%x, offset 0x%x, ret %d",
+ __entry->child_relid, __entry->openid,
+ __entry->gpadlhandle, __entry->target_vp,
+ __entry->offset, __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 19:23 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 ` [PATCH 09/17] hyper-v: trace vmbus_request_offers() kys
2017-10-29 19:21 ` kys [this message]
2017-10-29 20:59 ` [PATCH 10/17] hyper-v: trace vmbus_open() 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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