111 lines
3.6 KiB
C#
111 lines
3.6 KiB
C#
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity - Singularity ABI
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: MemoryInfoService.cs
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//
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// Note:
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//
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using System;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using Microsoft.Singularity;
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using Microsoft.Singularity.Memory;
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namespace Microsoft.Singularity.V1.Services
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{
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public struct MemoryInfoService
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{
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[ExternalEntryPoint]
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[CLSCompliant(false)]
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public static unsafe int MemoryUsageInfo(
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ulong *totalMemoryFree,
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ulong *totalMemoryInUse,
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ulong *kernelHeapInUse,
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ulong *kernelStackInUse,
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ulong *totalSIPHeapInUse,
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ulong *totalSIPStackInUse,
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ulong *kernelStackReservation,
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ulong *kernelHeapReservation
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)
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{
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ulong allocatedCount = 0;
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ulong allocatedBytes = 0;
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ulong freedCount = 0;
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ulong freedBytes = 0;
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ulong userAllocatedCount = 0;
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ulong userAllocatedBytes = 0;
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ulong userFreedCount = 0;
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ulong userFreedBytes = 0;
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ulong kernelHeapReservationLocal = 0;
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*totalMemoryFree = MemoryManager.GetFreePhysicalMemory();
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*totalMemoryInUse = MemoryManager.GetUsedPhysicalMemory();
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//
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// Get general memory info
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//
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MemoryManager.GetUsageStatistics(
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out allocatedCount,
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out allocatedBytes,
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out freedCount,
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out freedBytes,
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out kernelHeapReservationLocal
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);
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//
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// Get SIP (user) memory usage
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//
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MemoryManager.GetUserStatistics(
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out userAllocatedCount,
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out userAllocatedBytes,
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out userFreedCount,
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out userFreedBytes
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);
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// Kernel heap is total heap in use - SIP heap in use
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*kernelHeapInUse = (allocatedBytes - freedBytes) - (userAllocatedBytes - userFreedBytes);
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*kernelHeapReservation = kernelHeapReservationLocal;
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*totalSIPHeapInUse = userAllocatedBytes - userFreedBytes;
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// Stack Information
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ulong kernelStackCount = 0;
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ulong kernelStackReturnCount = 0;
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ulong kernelStackBytes = 0;
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ulong kernelStackReturnBytes = 0;
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ulong kernelStackReservationLocal = 0;
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ulong SIPStackCount = 0;
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ulong SIPStackReturnCount = 0;
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ulong SIPStackBytes = 0;
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ulong SIPStackReturnBytes = 0;
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ulong SIPStackReservation = 0;
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MemoryManager.GetStackUsage(
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out kernelStackCount,
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out kernelStackReturnCount,
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out kernelStackBytes,
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out kernelStackReturnBytes,
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out kernelStackReservationLocal,
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out SIPStackCount,
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out SIPStackReturnCount,
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out SIPStackBytes,
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out SIPStackReturnBytes,
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out SIPStackReservation
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);
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*totalSIPStackInUse = SIPStackBytes - SIPStackReturnBytes;
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*kernelStackInUse = kernelStackBytes - kernelStackReturnBytes;
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*kernelStackReservation = kernelStackReservationLocal;
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return 0;
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}
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}
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}
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