Resolved: A Performance Issue in Windows Timer Management

Two years ago, I wrote an article about spurious timer table entries. Those entries occurred in the global timer table and resulted in unnecessarily scheduled DPCs. During a recent visit in Redmond, I had the chance to meet with one of the Windows kernel developers. By coincidence, he remembered my article and told me that with Windows 7 the issue has been fixed. Here is how they did it.

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