7.3.66. thread_dump

7.3.66.1. Summary

New in version 11.1.1.

Note

Currently, this command works only on Windows.

thread_dump has the following a features:

  • thread_dump puts a backtrace of all threads into a log as logs of NOTICE level at the time of running this command as below.

    For example, thread_dump puts a backtrace in a log as below.

    2021-12-22 11:10:33.518000|n| -- Thread 00008052 --
    2021-12-22 11:10:33.582000|n| (unknown):0:0: ZwGetContextThread(): <ntdll>: <C:\Windows\SYSTEM32\ntdll.dll>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: ??_C@_0BA@PIIKBMGH@grn_thread_dump@(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: ??_C@_0CC@GMBIJECC@D?3?2a?2groonga?2groonga?2lib?2thread@(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: (unknown)(): <(unknown)>: <(unknown)>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: (unknown)(): <(unknown)>: <(unknown)>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: (unknown)(): <(unknown)>: <(unknown)>
    2021-12-22 11:10:33.591000|n| (unknown):0:0: ??_C@_0BG@NHAMHJPM@?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9?9@(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.592000|n| D:\a\groonga\groonga\lib\thread.c:148:0: grn_thread_dump(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.593000|n| D:\a\groonga\groonga\lib\proc\proc_thread.c:87:0: command_thread_dump(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.593000|n| D:\a\groonga\groonga\lib\expr.c:1624:0: grn_proc_call(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.594000|n| D:\a\groonga\groonga\lib\command.c:193:0: grn_command_run(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.594000|n| D:\a\groonga\groonga\lib\expr.c:1660:0: grn_expr_exec(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.594000|n| D:\a\groonga\groonga\lib\ctx.c:1716:0: grn_ctx_qe_exec(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.597000|n| D:\a\groonga\groonga\lib\ctx.c:1828:0: grn_ctx_send(): <libgroonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\libgroonga.dll>
    2021-12-22 11:10:33.597000|n| D:\a\groonga\groonga\src\groonga.c:574:0: do_alone(): <groonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\groonga.exe>
    2021-12-22 11:10:33.597000|n| D:\a\groonga\groonga\src\groonga.c:4652:22: main(): <groonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\groonga.exe>
    2021-12-22 11:10:33.601000|n| d:\a01\_work\6\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288:34: __scrt_common_main_seh(): <groonga>: <C:\Users\aaa\groonga-11.1.1-8988854-x64-vs2019-with-vcruntime\bin\groonga.exe>
    2021-12-22 11:10:33.601000|n| (unknown):0:0: BaseThreadInitThunk(): <KERNEL32>: <C:\Windows\System32\KERNEL32.DLL>
    2021-12-22 11:10:33.601000|n| (unknown):0:0: RtlUserThreadStart(): <ntdll>: <C:\Windows\SYSTEM32\ntdll.dll>
    2021-12-22 11:10:33.603000|n| ---------------------
    2021-12-22 11:10:33.603000|n| -- Thread 00007860 --
    2021-12-22 11:10:33.607000|n| (unknown):0:0: NtWaitForWorkViaWorkerFactory(): <ntdll>: <C:\Windows\SYSTEM32\ntdll.dll>
    2021-12-22 11:10:33.610000|n| (unknown):0:0: TpReleaseCleanupGroupMembers(): <ntdll>: <C:\Windows\SYSTEM32\ntdll.dll>
    2021-12-22 11:10:33.610000|n| (unknown):0:0: BaseThreadInitThunk(): <KERNEL32>: <C:\Windows\System32\KERNEL32.DLL>
    2021-12-22 11:10:33.610000|n| (unknown):0:0: RtlUserThreadStart(): <ntdll>: <C:\Windows\SYSTEM32\ntdll.dll>
    2021-12-22 11:10:33.611000|n| ---------------------
    

7.3.66.2. Syntax

This command has not parameter:

thread_dump

7.3.66.3. Usage

We can get a backtrace of all threads into a log as logs of NOTICE level at the time of running this command.

Execution example:

thread_dump
# [[0, 1337566253.89858, 0.000355720520019531], true]

7.3.66.4. Parameters

This section describes all parameters.

7.3.66.4.1. Required parameters

There is no required parameter.

7.3.66.4.2. Optional parameters

There is no optional parameter.

7.3.66.5. Return value

The command returns true as body on success such as:

[HEADER, true]

If thread_dump fails, error details are in HEADER.

See Output format for HEADER.