What Is Item Unknown(0x0) In Xperf Disk Io

Dec 18, 2012

I'm trying to find out what the file Unknown (0x0) is in disk IO in xperf trace. Below is information about the io read type to unknown (0x0). what is it used for? basic information and the reason it's value is usually greater than all the other files

IO Type: Read
Complete time: 25.506764217
IO time: 3026.318
disk service time: 744.603
pri: 0x03
QD/I: 1

[code]....

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