Geoff Chappell, Software Analyst
The SYSTEM_LOW_PRIORITY_IO_INFORMATION structure is what a successful call to ZwQuerySystemInformation or NtQuerySystemInformation produces in its output buffer when given the information class SystemLowPriorityIoInformation (0x74).
The SYSTEM_LOW_PRIORITY_IO_INFORMATION structure is not documented.
The SYSTEM_LOW_PRIORITY_IO_INFORMATION is 0x28 bytes in both 32-bit and 64-bit Windows.
| Offset | Definition |
|---|---|
| 0x00 |
ULONG LowPriReadOperations; |
| 0x04 |
ULONG LowPriWriteOperations; |
| 0x08 |
ULONG KernelBumpedToNormalOperations; |
| 0x0C |
ULONG LowPriPagingReadOperations; |
| 0x10 |
ULONG KernelPagingReadsBumpedToNormal; |
| 0x14 |
ULONG LowPriPagingWriteOperations; |
| 0x18 |
ULONG KernelPagingWritesBumpedToNormal; |
| 0x1C |
ULONG BoostedIrpCount; |
| 0x20 |
ULONG BoostedPagingIrpCount; |
| 0x24 |
ULONG BlanketBoostCount; |