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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for January 3rd, 2018

Raspberry Pi | RTAndroid

Posted by jpluimers on 2018/01/03

Raspbyerry Pi 3 are very versatile. Not just for your light weight Linux installation or Windows 10 IoT, but also for Android experimentation.

On my research list is [WayBack] Raspberry Pi | RTAndroid:

Raspberry Pi 3 This page provides a device-specific tutorial for installing RTAndroid on the Raspberry Pi 3 Model B. Single-board computing devices

It’s an Android 7 (codenamed Android N, now Android Nougat) distribution with Raspberry Pi images (nowadays Raspberry Pi 3, but should run on older as well). Which means you do not have to upgrade your phone to use more recent versions of Android to program against.

–jeroen

via: [WayBack] Fixed by Code: Running Delphi applications on Raspberry Pi 3 and [WayBack] A bit of ravings: https://fixedbycode.blogspot.dk/2016/12/running-delphi-appl…

Posted in Android, Development, Mobile Development | Leave a Comment »

mappings between counters, structure and Task Manager columns – Memory Performance Information (Windows)

Posted by jpluimers on 2018/01/03

I copied the tables from [WayBack] Memory Performance Information (Windows) as even Microsoft managed to let information “disappear” for EOL products (the en-US version already “disappeared”):

System Memory Performance Information

The following table associates memory object performance counters with the data returned by the memory performance functions in the MEMORYSTATUSEX, PERFORMANCE_INFORMATION, andPROCESS_MEMORY_COUNTERS_EX structures, and with the corresponding information displayed by Task Manager.

Memory object counter (unless otherwise noted) Structure Task Manager Performance tab for Windows Server 2008 and Windows Vista Task Manager Performance tab for Windows Server 2003 and Windows XP
Available KB MEMORYSTATUSEX.ullAvailPhys andPERFORMANCE_INFORMATION.PhysicalAvailable Subtract usage value shown in Memorygraph from Physical Memory (MB): Total Physical Memory: Available
None MEMORYSTATUSEX.ullTotalPhys andPERFORMANCE_INFORMATION.PhysicalTotal Physical Memory (MB): Total Physical Memory: Total
Committed Bytes PERFORMANCE_INFORMATION.CommitTotal System: Page Filefirst value (in MB) Commit Charge: Total
Commit Limit MEMORYSTATUSEX.ullTotalPageFile andPERFORMANCE_INFORMATION.CommitLimit System: Page Filesecond value (in MB) Commit Charge: Limit
Free & Zero Page List BytesWindows Server 2003 and Windows XP:  This performance counter is not supported. None Physical Memory (MB): Free Not applicable
None PERFORMANCE_INFORMATION.CommitPeak None Commit Charge: Peak
None PERFORMANCE_INFORMATION.HandleCount System: Handles Totals: Handles
None MEMORYSTATUSEX.ullAvailPageFile None None
Pool Nonpaged Bytes PERFORMANCE_INFORMATION.KernelNonpaged Kernel Memory: Nonpaged Kernel Memory: Nonpaged
Pool Paged Bytes PERFORMANCE_INFORMATION.KernelPaged Kernel Memory: Paged Kernel Memory: Paged
Pool Paged Bytes + Pool Nonpaged Bytes PERFORMANCE_INFORMATION.KernelTotal Kernel Memory: Total Kernel Memory: Total
Processes (Objects object) PERFORMANCE_INFORMATION.ProcessCount System: Processes Totals: Processes
Thread Count (Process(_Total) object) PERFORMANCE_INFORMATION.ThreadCount System: Threads Totals: Threads
Cache Bytes + Sharable pages on the standby and modified lists PERFORMANCE_INFORMATION.SystemCache None System Cache
Cache Bytes + Modified Page List Bytes + Standby Cache Reserve Bytes + Standby Cache Normal Priority Bytes + Standby Cache Code BytesWindows Server 2003 and Windows XP:  Except for Cache Bytes, these performance counters are not supported. None Physical Memory (MB): Cached Not applicable

 

Process Memory Performance Information

The following table associates process object performance counters with the data returned by the memory performance functions in the MEMORYSTATUSEX, PERFORMANCE_INFORMATION, andPROCESS_MEMORY_COUNTERS_EX structures, and with the corresponding information displayed by Task Manager.

Process object counter Structure Task Manager Processes tab for Windows Server 2008 and Windows Vista Task Manager Processes tab for Windows Server 2003 and Windows XP
Handle Count None Handles Handles
Page File Bytes PROCESS_MEMORY_COUNTERS_EX.PagefileUsage Commit Size for all processes except the System process. For the System process, Page File Bytes is always 0. VM Size for all processes except the System process. For the System process, Page File Bytes is always 0.
Page File Bytes Peak PROCESS_MEMORY_COUNTERS_EX.PeakPagefileUsage None None
Pool Nonpaged Bytes PROCESS_MEMORY_COUNTERS_EX.QuotaNonPagedPoolUsage NP Pool NP Pool
Pool Paged Bytes PROCESS_MEMORY_COUNTERS_EX.QuotaPagedPoolUsage Paged Pool Paged Pool
Private Bytes PROCESS_MEMORY_COUNTERS_EX.PrivateUsage Commit Size VM Size
Thread Count (Process(<image name>) for the specified image) None Threads Threads
Virtual Bytes MEMORYSTATUSEX.ullTotalVirtual – MEMORYSTATUSEX.ullAvailVirtual None None
Virtual Bytes Peak None None None
Working Set PROCESS_MEMORY_COUNTERS_EX.WorkingSetSize Working Set (Memory) Mem Usage
Working Set Peak PROCESS_MEMORY_COUNTERS_EX.PeakWorkingSetSize Peak Working Set (Memory) Peak Mem Usage
Working Set – PrivateWindows Server 2003 and Windows XP:  This performance counter is not supported. None Private Working Set Not applicable
None PROCESS_MEMORY_COUNTERS_EX.QuotaPeakNonPagedPoolUsage None None
None PROCESS_MEMORY_COUNTERS_EX.QuotaPeakPagedPoolUsage None None
None MEMORYSTATUSEX.ullAvailPageFile None None
None MEMORYSTATUSEX.ullTotalPageFile None None

 

–jeroen

Posted in Development, Software Development | Leave a Comment »