PsUpdateDiskCounters - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntifs.h

VOID PsUpdateDiskCounters(
  PEPROCESS Process,
  ULONG64   BytesRead,
  ULONG64   BytesWritten,
  ULONG     ReadOperationCount,
  ULONG     WriteOperationCount,
  ULONG     FlushOperationCount
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-psupdatediskcounters)

PsUpdateDiskCounters function

Description

The PsUpdateDiskCounters routine updates the disk I/O counters of a given process.

Parameters

Process

A pointer to the process to update counters for.

BytesRead

The number of bytes to update in the Read counter.

BytesWritten

The number of bytes to update in the Write counter.

ReadOperationCount

The number of read operations to update in the Read Operation counter.

WriteOperationCount

The number of write operations to update in the Write Operation counter.

FlushOperationCount

The number of flush operations to update in the Flush Operation counter.

Remarks

File system drivers use PsUpdateDiskCounters to update counts for disk I/O accounting. A client process can be "charged" the disk I/O counts by the file system.

See also

PsIsDiskCountersEnabled

View the official Windows Driver Kit DDI reference

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