Event Types: 0: Create thread (size 4) 1: Run thread (size 4) 2: Stop thread (size 10) 3: Thread runnable (size 4) 4: Migrate thread (size 6) 8: Wakeup thread (size 6) 9: Starting GC (size 0) 10: Finished GC (size 0) 11: Request sequential GC (size 0) 12: Request parallel GC (size 0) 15: Create spark thread (size 4) 16: Log message (size variable) 18: Block marker (size 14) 19: User message (size variable) 20: GC idle (size 0) 21: GC working (size 0) 22: GC done (size 0) 25: Create capability set (size 6) 26: Delete capability set (size 4) 27: Add capability to capability set (size 6) 28: Remove capability from capability set (size 6) 29: RTS name and version (size variable) 30: Program arguments (size variable) 31: Program environment variables (size variable) 32: Process ID (size 8) 33: Parent process ID (size 8) 34: Spark counters (size 56) 35: Spark create (size 0) 36: Spark dud (size 0) 37: Spark overflow (size 0) 38: Spark run (size 0) 39: Spark steal (size 2) 40: Spark fizzle (size 0) 41: Spark GC (size 0) 43: Wall clock time (size 16) 44: Thread label (size variable) 45: Create capability (size 2) 46: Delete capability (size 2) 47: Disable capability (size 2) 48: Enable capability (size 2) 49: Total heap mem ever allocated (size 12) 50: Current heap size (size 12) 51: Current heap live data (size 12) 52: Heap static parameters (size 38) 53: GC statistics (size 58) 54: Synchronise stop-the-world GC (size 0) 55: Task create (size 18) 56: Task migrate (size 12) 57: Task delete (size 8) 58: User marker (size variable) 59: Empty event for bug #9003 (size 0) 160: Start of heap profile (size variable) 161: Cost center definition (size variable) 162: Start of heap profile sample (size 8) 163: Heap profile cost-centre sample (size variable) 164: Heap profile string sample (size variable) 181: User binary message (size variable) Events: 199116: created capset 0 of type CapsetOsProcess 199197: created capset 1 of type CapsetClockDomain 199989: created cap 0 200039: assigned cap 0 to capset 0 200099: assigned cap 0 to capset 1 205279: capset 1: wall clock time 1574408715s 234903000ns (unix epoch) 205437: capset 0: pid 49933 211311: capset 0: parent pid 44446 215666: capset 0: RTS version "GHC-8.8.1 rts_l" 219032: capset 0: args: ["./trace-binary-event","+RTS","-l-au"] 2871512: cap 0: binary message Hello, . 15687612: removed cap 0 from capset 0 15687840: removed cap 0 from capset 1 15688438: deleted cap 0 15688758: deleted capset 0 15688911: deleted capset 1