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In this episode of Defrag Tools, Andrew Richards, Chad Beeder and Larry Larsen continue looking at the Debugging Tools for Windows (in particular WinDbg). WinDbg is a debugger that supports user mode debugging of a process, or kernel mode debugging of a computer.
This installment goes over the Windows Scheduler. We look at Running, Ready and Waiting threads, and talks about the effect of Power Management on scheduling.
We use these commands:
- !running -t
- !thread <addr> 17
- !thread -1 17 (current thread)
Make sure you watch Defrag Tools Episode #1 and Defrag Tools Episode #23 for instructions on how to get the Debugging Tools for Windows and how to set the required environment variables for symbol and source code resolution.
Microsoft Data Center Tour
[00:00] - Episode #27's demo issue
[02:47] - Kernel Hangs
[05:18] - !running
[05:48] - Idle Threads & Processor Power Management
[10:10] - !running -t
[13:53] - !ready
[14:15] - Thread State Diagram
[16:45] - Saturated example
[20:48] - Thread Priority Diagram
[22:22] - Balance Set Manager
[25:30] - Waiting Threads
[26:52] - Summary
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