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hyper-v: trace vmbus_establish_gpadl() 

Add tracepoint to CHANNELMSG_GPADL_HEADER/CHANNELMSG_GPADL_BODY 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 12:21:11 -07:00 committed by Greg Kroah-Hartman
parent 633b005df0
commit 69edbd5f47
2 changed files with 48 additions and 0 deletions
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6
drivers/hv/channel.c
View File

@ -435,6 +435,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize -
sizeof(*msginfo), true);
trace_vmbus_establish_gpadl_header(gpadlmsg, ret);
if (ret != 0)
goto cleanup;
@ -450,6 +453,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
ret = vmbus_post_msg(gpadl_body,
submsginfo->msgsize - sizeof(*submsginfo),
true);
trace_vmbus_establish_gpadl_body(gpadl_body, ret);
if (ret != 0)
goto cleanup;

42
drivers/hv/hv_trace.h
View File

@ -172,6 +172,48 @@ TRACE_EVENT(vmbus_close_internal,
__entry->ret)
);
TRACE_EVENT(vmbus_establish_gpadl_header,
TP_PROTO(const struct vmbus_channel_gpadl_header *msg, int ret),
TP_ARGS(msg, ret),
TP_STRUCT__entry(
__field(u32, child_relid)
__field(u32, gpadl)
__field(u16, range_buflen)
__field(u16, rangecount)
__field(int, ret)
),
TP_fast_assign(
__entry->child_relid = msg->child_relid;
__entry->gpadl = msg->gpadl;
__entry->range_buflen = msg->range_buflen;
__entry->rangecount = msg->rangecount;
__entry->ret = ret;
),
TP_printk("sending child_relid 0x%x, gpadl 0x%x, range_buflen %d "
"rangecount %d, ret %d",
__entry->child_relid, __entry->gpadl,
__entry->range_buflen, __entry->rangecount, __entry->ret
)
);
TRACE_EVENT(vmbus_establish_gpadl_body,
TP_PROTO(const struct vmbus_channel_gpadl_body *msg, int ret),
TP_ARGS(msg, ret),
TP_STRUCT__entry(
__field(u32, msgnumber)
__field(u32, gpadl)
__field(int, ret)
),
TP_fast_assign(
__entry->msgnumber = msg->msgnumber;
__entry->gpadl = msg->gpadl;
__entry->ret = ret;
),
TP_printk("sending msgnumber %d, gpadl 0x%x, ret %d",
__entry->msgnumber, __entry->gpadl, __entry->ret
)
);
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE