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hyper-v: trace vmbus_teardown_gpadl()

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Add tracepoint to CHANNELMSG_GPADL_TEARDOWN sender.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vitaly Kuznetsov 2017-10-29 12:21:12 -07:00 committed by Greg Kroah-Hartman
parent 69edbd5f47
commit 09cdf8f87c
2 changed files with 20 additions and 0 deletions
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2
drivers/hv/channel.c
View file

@ -519,6 +519,8 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle)
ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_gpadl_teardown),
true);
trace_vmbus_teardown_gpadl(msg, ret);
if (ret)
goto post_msg_err;

18
drivers/hv/hv_trace.h
View file

@ -214,6 +214,24 @@ TRACE_EVENT(vmbus_establish_gpadl_body,
)
);
TRACE_EVENT(vmbus_teardown_gpadl,
TP_PROTO(const struct vmbus_channel_gpadl_teardown *msg, int ret),
TP_ARGS(msg, ret),
TP_STRUCT__entry(
__field(u32, child_relid)
__field(u32, gpadl)
__field(int, ret)
),
TP_fast_assign(
__entry->child_relid = msg->child_relid;
__entry->gpadl = msg->gpadl;
__entry->ret = ret;
),
TP_printk("sending child_relid 0x%x, gpadl 0x%x, ret %d",
__entry->child_relid, __entry->gpadl, __entry->ret
)
);
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE