DPC (Deferred Procedure Call) is a mechanism adopted by Microsoft which allows high-priority tasks on Windows (such as an interrupt handler) to defer required but lower-priority tasks for later execution.

learn more… | top users | synonyms

38
votes
6answers
15k views

How do I get to the root cause of high Deferred Procedure Calls?

I've got a Dual core processor, and one of the two is constantly at 100%. Looking in ProcessExplorer shows me that it's Deferred Procedure Calls. Reading around the net seems to give me tons of ...
1
vote
1answer
1k views

Intel 3945ABG DPC spikes (audio stutter, mouse) in Windows 8.1

As reported by many users, Intel WiFi chips such as 3945ABG and the later 4965 may experience CPU spikes due to DPC activity. This is typically experienced as: Audio stuttering. Uninterrupted ...