O'Reilly logo

Memory Dump Analysis Anthology, Volume 7 by Dmitry Vostokov

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Ubiquitous Component (Kernel Space)

This is a kernel space counterpart of Ubiquitous Component (Volume 4, page 94) pattern. Such a component (especially when it is Top Module, Volume 6, page 62) can be a sign of Wait Chain(s) (Volume 1, page 482) and Blocking Module (Volume 6, page 54) and if it is present in the same process names - a sign of Distributed Wait Chain (page 182).

0: kd> !stacks 0 ModuleA
Proc.Thread  .Thread  Ticks   ThreadState Blocker

                            [fffffa800e673b30 svchost.exe]
 534.006240  fffffa801388f5f0 fffd41d9 Blocked    ModuleA+0x12468
 [fffffa800e705b30 svchost.exe] 630.000e14 fffffa800edacb50 fffdcf7a Blocked ModuleA+0x12468 630.000f04 fffffa8012c2fb50 fffdcf49 Blocked ModuleA+0x12468 630.006610 fffffa80134f5b50 fffdcf46 Blocked ModuleA+0x12468 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required