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Editorial Team
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Asked: 2026-05-17T15:54:12+00:00

Guys, I am using GetProcessMemoryInfo function to get the details of a current process

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Guys, I am using GetProcessMemoryInfo function to get the details of a current process in Visual Studio 2008 running on Windows 7. The output is populated in PROCESS_MEMORY_COUNTERS structure with a list of following members.

  • cb
  • PageFaultCount
  • PeakWorkingSetSize
  • WorkingSetSize
  • QuotaPeakPagedPoolUsage
  • QuotaPagedPoolUsage
  • QuotaPeakNonPagedPoolUsage
  • QuotaNonPagedPoolUsage
  • PagefileUsage
  • PeakPagefileUsage

Which one of these members should I use to get the RAM usage of the process?
Is there another way to get the memory usage of a process using Microsoft Visual C++?

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1 Answer

  1. Editorial Team

    Use WorkingSetSize to retrieve physical RAM usage per process. Per the MSDN docs for the underlying Win32 API:

    The “working set” of a process is the
    set of memory pages currently visible
    to the process in physical RAM memory.
    These pages are resident and available
    for an application to use without
    triggering a page fault.

    There is no other way to get the current working set size than what you are using. See here for details.

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