public static PerfomanceInfoData GetPerformanceInfo()
{
PerfomanceInfoData data = new PerfomanceInfoData();
PsApiPerformanceInformation perfInfo = new PsApiPerformanceInformation();
if (GetPerformanceInfo(out perfInfo, Marshal.SizeOf(perfInfo)))
{
/// data in pages
data.CommitTotalPages = perfInfo.CommitTotal.ToInt64();
data.CommitLimitPages = perfInfo.CommitLimit.ToInt64();
data.CommitPeakPages = perfInfo.CommitPeak.ToInt64();
/// data in bytes
Int64 pageSize = perfInfo.PageSize.ToInt64();
data.PhysicalTotalBytes = perfInfo.PhysicalTotal.ToInt64() * pageSize;
data.PhysicalAvailableBytes = perfInfo.PhysicalAvailable.ToInt64() * pageSize;
data.SystemCacheBytes = perfInfo.SystemCache.ToInt64() * pageSize;
data.KernelTotalBytes = perfInfo.KernelTotal.ToInt64() * pageSize;
data.KernelPagedBytes = perfInfo.KernelPaged.ToInt64() * pageSize;
data.KernelNonPagedBytes = perfInfo.KernelNonPaged.ToInt64() * pageSize;
data.PageSizeBytes = pageSize;
/// counters
data.HandlesCount = perfInfo.HandlesCount;
data.ProcessCount = perfInfo.ProcessCount;
data.ThreadCount = perfInfo.ThreadCount;
}
return data;
}
/// <summary>
/// Get physical memory information
/// </summary>
private void GetPhysicalMemoryInformation()
{
this.performanceInfoData = PsApiWrapper.GetPerformanceInfo();
var AvailableGb = this.performanceInfoData.PhysicalAvailableBytes.ToPrettySize(1);
var UsedGb = (this.performanceInfoData.PhysicalTotalBytes - this.performanceInfoData.PhysicalAvailableBytes).ToPrettySize(1);
this.UsedPhysicalMemoryInPercent = (double)(this.performanceInfoData.PhysicalTotalBytes - this.performanceInfoData.PhysicalAvailableBytes) / this.performanceInfoData.PhysicalTotalBytes * 100;
this.UsedPhysicalMemory = (this.performanceInfoData.PhysicalTotalBytes - this.performanceInfoData.PhysicalAvailableBytes).ToPrettySize(1);
this.FreePhysicalMemoryInPercent = (double)100 - this.UsedPhysicalMemoryInPercent;
this.FreePhysicalMemory = this.performanceInfoData.PhysicalAvailableBytes.ToPrettySize(1);
if (this.CurrentRAMWorkloadSeries != null && this.CurrentRAMWorkloadSeries.Count == 0)
{
this.CurrentRAMWorkloadSeries.Add(new ChartDataPoint() { Name = "Used Physical Memory", Value = this.UsedPhysicalMemoryInPercent });
}
else
{
this.CurrentRAMWorkloadSeries.FirstOrDefault().Value = this.UsedPhysicalMemoryInPercent;
}
}
/// <summary>
/// Get physical memory information
/// </summary>
private void GetMemoryInformaton()
{
this.performanceInfoData = PsApiWrapper.GetPerformanceInfo();
var AvailableGb = this.performanceInfoData.PhysicalAvailableBytes.ToPrettySize(1);
var UsedGb = (this.performanceInfoData.PhysicalTotalBytes - this.performanceInfoData.PhysicalAvailableBytes).ToPrettySize(1);
this.UsedPhysicalMemoryInPercent = (double)(this.performanceInfoData.PhysicalTotalBytes - this.performanceInfoData.PhysicalAvailableBytes) / this.performanceInfoData.PhysicalTotalBytes * 100;
this.FreePhysicalMemoryInPercent = (double)100 - this.UsedPhysicalMemoryInPercent;
this.OnPropertyChanged(() => this.UsedPhysicalMemory);
this.OnPropertyChanged(() => this.FreePhysicalMemory);
}
