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Hum, Process Explorer or Filemon might well do the trick. Of course, Filemon will not run on Vista, but that's not the question I asked.
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Hum, Process Explorer or Filemon might well do the trick. Of course, Filemon will not run on Vista, but that's not the question I asked.

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Many a time I'm asked why an XP computer is running slow. No applications running. All systray apps killed except volume. CPU usage is ticking along at 5% or less. Commit charge is far less than physical memory, as is the peak. Swap file usage is low and constant. The disk activity light is on, solid.<br />
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Presumably some portion of WIndows has decided to take the disk for a good long run. But how do I find out why? Even if I can't do anything about it, it would be nice to have an explanation.<br />
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I've serached for disk activity monitors, and the closest I've come is sysintenals diskmon. But I don't see any way to trace diskmon's results back to a process or program.<br />
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Anyone got a way to do this?
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Many a time I'm asked why an XP computer is running slow. No applications running. All systray apps killed except volume. CPU usage is ticking along at 5% or less. Commit charge is far less than physical memory, as is the peak. Swap file usage is low and constant. The disk activity light is on, solid.

Presumably some portion of WIndows has decided to take the disk for a good long run. But how do I find out why? Even if I can't do anything about it, it would be nice to have an explanation.

I've serached for disk activity monitors, and the closest I've come is sysintenals diskmon. But I don't see any way to trace diskmon's results back to a process or program.

Anyone got a way to do this?

Monitoring disk activity by process/program

System Utilities are a type of system software used to support the computer infrastructure, distinguishing it from application software which is aimed at directly performing tasks that benefit ordinary users. Commonly used utilities include password managers, disk managers, system monitors, data synchronization tools, security and antivirus software and editors.

System Utilities

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.