2   {"name": "a", "args": {},"pid": 52, "ts": 9524, "cat": "foo", "tid": 53,  number
4   {"name": "a", "args": {},"pid": 52, "ts": 9560, "cat": "foo", "tid": 53,  number
6   {"name": "b", "args": {},"pid": 52, "ts": 9629, "cat": "foo", "tid": 53,  number
8   {"name": "b", "args": {},"pid": 52, "ts": 9631, "cat": "foo", "tid": 53,  number
11   {"name": "counter", "args": {"value": 2}, "pid": 52, "ts": 9524,  number
13   {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9626,  number
15   {"name": "counter", "args": {"value": 5}, "pid": 52, "ts": 9627,  number
17   {"name": "counter", "args": {"value": 8}, "pid": 52, "ts": 9628,  number
19   {"name": "counter", "args": {"value": 4}, "pid": 52, "ts": 9629,  number
21   {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9631,  number
24   {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9524,  number
26   {"name": "counter", "args": {"value": 0}, "pid": 52, "ts": 9631,  number