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 50) 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) Events: 693200: created capset 0 of type CapsetOsProcess 693300: created capset 1 of type CapsetClockDomain 693800: created cap 0 693800: assigned cap 0 to capset 0 693900: assigned cap 0 to capset 1 702500: capset 1: wall clock time 1557798469s 605000000ns (unix epoch) 702700: capset 0: pid 21152 717500: capset 0: RTS version "GHC-8.2.2 rts_l" 717900: capset 0: args: ["hellofib.exe","+RTS","-l"] 782000: capset 0: env: ["=::=::\\","=D:=D:\\Open\\ThreadScope","=ExitCode=00000000","ALLUSERSPROFILE=C:\\ProgramData","ANDROID_AVD_HOME=D:\\Program\\AndroidSDK\\.android\\avd","ANDROID_HOME=D:\\Program\\AndroidSDK","ANDROID_SDK_HOME=D:\\Program\\AndroidSDK","APPDATA=C:\\Users\\sighi\\AppData\\Roaming","APR_ICONV_PATH=D:\\Program\\Subversion\\iconv","asl.log=Destination=file","BAZEL_VC=D:\\Program\\Microsoft Visual Studio\\VC\\","BAZEL_VS=D:\\Program\\Microsoft Visual Studio\\","CARGO_HOME=D:\\Program\\Rust\\.cargo","CFLAGS=-std=gnu11 -Wall -pedantic -D_CRT_SECURE_NO_WARNINGS -D_USE_MATH_DEFINES","CHERE_INVOKING=enabled_from_arguments","CL=/std:c++14 /utf-8 /W3 /Ot 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Studio\\","VCPKG_DEFAULT_TRIPLET=x64-windows","VK_SDK_PATH=D:\\Program\\VulkanSDK","VS2017INSTALLDIR=D:\\Program\\Microsoft Visual Studio","VSCMD_ARG_app_plat=Desktop","VSCMD_ARG_HOST_ARCH=x64","VSCMD_ARG_TGT_ARCH=x64","VSCMD_START_DIR=.","VSCMD_VER=15.4.2","VULKAN_SDK=D:\\Program\\VulkanSDK","windir=C:\\WINDOWS","WindowsLibPath=C:\\Program Files (x86)\\Windows Kits\\10\\UnionMetadata\\10.0.16299.0;C:\\Program Files (x86)\\Windows Kits\\10\\References\\10.0.16299.0"] 909500: heap stats for heap capset 0: generations 2, 0 bytes max heap size, 1048576 bytes alloc area size, 1048576 bytes mblock size, 4096 bytes block size 1139300: task 0x163dce0 created on cap 0 with OS kernel thread 19148 1152400: cap 0: creating thread 1 1157500: cap 0: running thread 1 1489500: cap 0: stopping thread 1 (stack overflow) 1493200: cap 0: running thread 1 1546100: cap 0: stopping thread 1 (blocked on I/O write) 1773200: cap 0: running thread 1 1791900: cap 0: stopping thread 1 (thread finished) 1792300: task 0x163dce0 deleted 1808400: task 0x163dce0 created on cap 0 with OS kernel thread 19148 1808600: cap 0: creating thread 2 1808900: cap 0: running thread 2 1818800: cap 0: stopping thread 2 (thread finished) 1818900: task 0x163dce0 deleted 1820000: cap 0: starting GC 1857600: cap 0: GC working 2101400: cap 0: GC idle 2101400: cap 0: GC done 2102400: cap 0: GC idle 2102400: cap 0: GC done 2102700: cap 0: GC idle 2102700: cap 0: GC done 2104000: cap 0: allocated on heap capset 0: 82048 total bytes till now 2105300: cap 0: all caps stopped for GC 2105300: cap 0: finished GC 2105400: cap 0: GC stats for heap capset 0: generation 1, 1784 bytes copied, 26744 bytes slop, 937984 bytes fragmentation, 1 par threads, 0 bytes max par copied, 1784 bytes total par copied 2105500: cap 0: live data in heap capset 0: 42888 bytes 2105600: cap 0: size of heap capset 0: 2097152 bytes 2116200: cap 0: allocated on heap capset 0: 82048 total bytes till now 2121200: removed cap 0 from capset 0 2121300: removed cap 0 from capset 1 2121400: deleted cap 0 2121500: deleted capset 0 2121600: deleted capset 1