Here are a few common commands that you can use on your dump (.dmp) files in Windbg. Most of the commands are self-explanatory.
How many CPUs are on the machine?
0:024> dd ISATQ!g_cCPU L 1 686296e8 00000001
What's the number of Asynchronous Thread Queue (ATQ) threads for this machine?
0:024> dd ISATQ!g_cMaxThreads L 1 68629138 00000008
How many threads are available?
0:024> dd isatq!g_cAvailableThreads L 1 68629634 00000004
On what kind of machine are the threads running?
0:024> dd ISATQ!g_PlatformType L 1 68629734 00000002
|PtNtWorkstation = 1,||// NT Workstation|
|PtNtServer = 2,||// NT Server|
|PtWindows95 = 3,||// Windows 95|
|PtWindows9x = 4||//Windows9x - not implemented|
How many sessions are currently active?
0:024> dd asp!g_nSessions L 1 680ec57c 00000000
Do you know what this command does?
0:053> dt w3svc!g_pW3Stats -r