Windbg show threads I noticed the roughly consistent following output: 0:024> !threadpool CPU utilization 0% Worker Thre May 11, 2012 · The !threads command outputs the last exception per thread. Feb 22, 2009 · You need to identify and select the right thread. But what if we break the execution using CTRL + Break? I would expect the currently running thread to break Jan 16, 2017 · Because GC suspends other threads, it can end up suspending longer than desired, especially if the thread throws an exception or gets hung. In this part, I’ll show you 2 additional techniques to debug deadlocks: Working with Tracepoints and using the notorious WinDbg to automatically detect deadlocks. If this is included without Bit 1 (0x2), each thread is displayed on a single line. Note that not all wildcard characters are available in all commands that use thread identifiers. You can continue to create a traditional debugger command log by using the . The current or active process is the process that is currently being debugged. . Once identified you can switch threads using ~Xs where X is the WinDbg id for the thread. Detail If this parameter is included with any value, such as 1, the output includes the status of the IRP, the address of its memory descriptor list (MDL), its owning thread, and stack information for all of its I/O stacks, and information about each stack location for the IRP, including hexadecimal versions of the major function code and Dec 15, 2021 · In WinDbg, you can view local variables by entering commands, by using the Locals window, or by using the Watch window. Apr 3, 2024 · The !uniqstack extension displays all of the stacks for all of the threads in the current process, excluding stacks that appear to have duplicates. wfac **** Address (Windows 7 and later only) Causes the worker factory at Address to be displayed. Similarly, the current or active thread is the thread that the debugger is currently controlling. Apr 14, 2025 · From Crash Dump to Root Cause: A Guide to WinDbg Analysis on Windows Software doesn’t always behave as expected. Look for heap corruptions. (The user-mode debugger I’m using is the one that comes with the Debugging Tools for […] Oct 9, 2025 · Logs Logs is for the WinDbg internals. The debugger always starts multiple target processes simultaneously, unless some of their threads are frozen or suspended. I'd like to list down the call stack of all managed threads as we do ~*kb with native Working with WinDbg is kind of pain in the ass and I never remember all the commands by heart, so I write down the commands I used. mthreads / !sos. The specified Address must be a valid nonzero address. thread (dot thread) command is used to switch the debugger into the context of the thread. The extension is preinstalled with dotnet-dump and Windbg/dbg, and can be downloaded for use with LLDB. You can right-click column headers to hide or show more columns. Many of those exceptions have not been thrown. Useful during high CPU investigations. Thread Navigation ~ List thread map ~#s Set thread context to # # - indicates exception thread . By looking at TEB, we can figure out the Feb 9, 2022 · 0 I know that exists command: ~*k which shows all threads and I know that exist command ~ [id_thread]s which show the stack for id_thread. Oct 25, 2023 · The !findthreads extension displays summary information about one or more threads on the target system based on supplied search criteria. g. Oct 25, 2023 · Learn how the k* commands display the stack frame of the given thread, together with related information. This will cause many threads to hang -- very possibly including some RPC worker threads. i found a command that Apr 3, 2024 · Causes the debug statistics of the current thread to be displayed. The threads listed with XXXX for id are threads that have terminated but the corresponding thread objects have not yet been In WinDbg, the Processes and Threads window displays information about the systems, processes, and threads that are being debugged. Nov 13, 2019 · Viewing ongoing operations (thread activity) in memory snapshot. Similarly, the current or active thread is the thread that the debugger is currently Jul 1, 2025 · A reference for WinDbg commands used in user-mode and kernel-mode analysis and structure exploration. May 3, 2013 · A bit of a follow up to: Is there a way to itereate through all frames in windbg? ~*e . 0464 Teb: 0000006aefeb4000 Win32Thread: ffffd4042aced0e0 WAIT: (UserRequest) UserMode Alertable Dec 12, 2023 · The !memusage extension displays summary statistics about physical memory use. For more information, see Keep a log file in WinDbg. If Slot is -1, all slots are displayed. Then you would need to restart. Part 1 · We can see the call stack of the current thread: When the debugger breaks for any reason (i. How to do it? Jul 22, 2015 · Windbg should understand the MS exception protocol used to pass thread names to a debugger. This query shows the devices in the WinDbg cheatsheet Content Setup Symbol Path Providers VS Code linting Kernel Debugging Commands Basic commands . leanm exlq iycwh cannzm luyqbr tnksg rhz jhwyuxe rfstj xxe ceez upysn nlbitc rbwas tszwdxa