1[
2  {"name": "a", "args": {},"pid": 52, "ts": 9524, "cat": "foo", "tid": 53,
3      "ph": "B"},
4  {"name": "a", "args": {},"pid": 52, "ts": 9560, "cat": "foo", "tid": 53,
5      "ph": "E"},
6  {"name": "b", "args": {},"pid": 52, "ts": 9629, "cat": "foo", "tid": 53,
7      "ph": "B"},
8  {"name": "b", "args": {},"pid": 52, "ts": 9631, "cat": "foo", "tid": 53,
9      "ph": "E"},
10
11  {"name": "counter", "args": {"value": 2}, "pid": 52, "ts": 9524,
12      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
13  {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9626,
14      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
15  {"name": "counter", "args": {"value": 5}, "pid": 52, "ts": 9627,
16      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
17  {"name": "counter", "args": {"value": 8}, "pid": 52, "ts": 9628,
18      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
19  {"name": "counter", "args": {"value": 4}, "pid": 52, "ts": 9629,
20      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
21  {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9631,
22      "cat": "foo", "tid": 53, "ph": "C", "id": "123"},
23
24  {"name": "counter", "args": {"value": 10}, "pid": 52, "ts": 9524,
25      "cat": "foo", "tid": 53, "ph": "C", "id": "b"},
26  {"name": "counter", "args": {"value": 0}, "pid": 52, "ts": 9631,
27      "cat": "foo", "tid": 53, "ph": "C", "id": "b"}
28]