
             Description
             Outputs a JSON formatted stack of all statements, stages and events
             within Performance Schema for the specified thread.
             Parameters
             thd_id (BIGINT UNSIGNED):
               The id of the thread to trace. This should match the thread_id
               column from the performance_schema.threads table.
             in_verbose (BOOLEAN):
               Include file:lineno information in the events.
             Example
             (line separation added for output)
             mysql> SELECT sys.ps_thread_stack(37, FALSE) AS thread_stack\G
             *************************** 1. row ***************************
             thread_stack: {"rankdir": "LR","nodesep": "0.10","stack_created": "2014-02-19 13:39:03",
             "mysql_version": "5.7.3-m13","mysql_user": "root@localhost","events":
             [{"nesting_event_id": "0", "event_id": "10", "timer_wait": 256.35, "event_info":
             "sql/select", "wait_info": "select @@version_comment limit 1\nerrors: 0\nwarnings: 0\nlock time:
             ...
            