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In this episode of Defrag Tools, Andrew Richards, Maoni Stephens and Larry Larsen continue walking you through the CLR Garbage Collector. Maoni is the Principal developer for the GC on the CLR team.
Resources:
Maonis WebLog
Channel9 - CLR 4 Garbage Collector - Inside Background GC
Channel9 - CLR 4.5: Maoni Stephens - Server Background GC
MSDN Magazine - Investigating Memory Issues
Timeline:
[00:45] - Internal and Externals Roots
[05:55] - Start of GC: clr!WKS::GCHeap::GarbageCollectGeneration
[07:00] - !sos.dumpheap <heap start addr> <heap end addr> (Range)
[07:30] - !sos.gcroot <addr> (or !sos.gcwhere <addr>)
[09:45] - New Root Types? Dependent Handles (ConditionalWeakTable)
[12:32] - Handle Types
[13:30] - Pinned Handles - Effect on Fragmentation
[15:40] - Large Object Heaps Fragmentation & Coalescence
[17:55] - Pinned Objects
[19:33] - !sos.gchandles
[20:06] - !sos.gchandles -type Pinned
[20:45] - !sos.gchandles -type AsyncPinned
View the full article
Resources:
Maonis WebLog
Channel9 - CLR 4 Garbage Collector - Inside Background GC
Channel9 - CLR 4.5: Maoni Stephens - Server Background GC
MSDN Magazine - Investigating Memory Issues
Timeline:
[00:45] - Internal and Externals Roots
[05:55] - Start of GC: clr!WKS::GCHeap::GarbageCollectGeneration
[07:00] - !sos.dumpheap <heap start addr> <heap end addr> (Range)
[07:30] - !sos.gcroot <addr> (or !sos.gcwhere <addr>)
[09:45] - New Root Types? Dependent Handles (ConditionalWeakTable)
[12:32] - Handle Types
[13:30] - Pinned Handles - Effect on Fragmentation
[15:40] - Large Object Heaps Fragmentation & Coalescence
[17:55] - Pinned Objects
[19:33] - !sos.gchandles
[20:06] - !sos.gchandles -type Pinned
[20:45] - !sos.gchandles -type AsyncPinned
View the full article