+Trace class:
+ Stream class (ID 0):
+ Supports packets: Yes
+ Packets have beginning default clock snapshot: Yes
+ Packets have end default clock snapshot: Yes
+ Supports discarded events: Yes
+ Discarded events have default clock snapshots: Yes
+ Supports discarded packets: No
+ Default clock class:
+ Name: monotonic
+ Description: Monotonic Clock
+ Frequency (Hz): 1,000,000,000
+ Precision (cycles): 0
+ Offset (s): 1,351,530,929
+ Offset (cycles): 945,824,323
+ Origin is Unix epoch: Yes
+ UUID: c19b5ac9-b8e6-4f78-be95-a605d04e34c6
+ Packet context field class: Structure (1 member):
+ cpu_id: Unsigned integer (32-bit, Base 10)
+ Event common context field class: Structure (2 members):
+ vtid: Signed integer (32-bit, Base 10)
+ vpid: Signed integer (32-bit, Base 10)
+ Event class `heartbeat:msg` (ID 0):
+ Log level: Debug (line)
+ Payload field class: Structure (1 member):
+ msg: String