vrend, vkr: set thread names and add trace points for vkr
The first two commits add pipe_thread_setname
and set the thread name for the sync thread.
The rest does the same to vkr and add trace points to vkr.
/cc @zzyiwei
The first two commits add pipe_thread_setname
and set the thread name for the sync thread.
The rest does the same to vkr and add trace points to vkr.
/cc @zzyiwei