提交 259cc665 编写于 作者: V Vitaly Kuznetsov 提交者: Greg Kroah-Hartman

hyper-v: trace vmbus_release_relid()

Add tracepoint to CHANNELMSG_RELID_RELEASED sender.
Signed-off-by: NVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 034ebf55
......@@ -373,12 +373,15 @@ static void percpu_channel_deq(void *arg)
static void vmbus_release_relid(u32 relid)
{
struct vmbus_channel_relid_released msg;
int ret;
memset(&msg, 0, sizeof(struct vmbus_channel_relid_released));
msg.child_relid = relid;
msg.header.msgtype = CHANNELMSG_RELID_RELEASED;
vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released),
true);
ret = vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released),
true);
trace_vmbus_release_relid(&msg, ret);
}
void hv_process_channel_removal(u32 relid)
......
......@@ -258,6 +258,22 @@ TRACE_EVENT(vmbus_negotiate_version,
)
);
TRACE_EVENT(vmbus_release_relid,
TP_PROTO(const struct vmbus_channel_relid_released *msg, int ret),
TP_ARGS(msg, ret),
TP_STRUCT__entry(
__field(u32, child_relid)
__field(int, ret)
),
TP_fast_assign(
__entry->child_relid = msg->child_relid;
__entry->ret = ret;
),
TP_printk("sending child_relid 0x%x, ret %d",
__entry->child_relid, __entry->ret
)
);
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
......
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