protected override float ReadCounter()
{
float result;
CPUUsage.CalculateCPUUsagePercentage(this.currentProcess, ref this.lastTime, ref this.lastCPU, out result);
return(result);
}
// Token: 0x0600729A RID: 29338 RVA: 0x0017B664 File Offset: 0x00179864
private static bool InternalCalculateCPUUsagePercentage(IntPtr process, ref DateTime lastUpdatedTime, ref long lastCPU, out float cpuUsage)
{
cpuUsage = 0f;
long num = 0L;
if (!CPUUsage.InternalGetCurrentCPU(process, ref num))
{
return(false);
}
DateTime utcNow = DateTime.UtcNow;
long num2 = num - lastCPU;
double totalSeconds = (utcNow - lastUpdatedTime).TotalSeconds;
if (totalSeconds > 0.0)
{
cpuUsage = (float)((double)num2 * 1E-05 / (totalSeconds * (double)CPUUsage.processorCount));
if (cpuUsage > 100f)
{
cpuUsage = 100f;
}
lastUpdatedTime = utcNow;
lastCPU = num;
}
return(true);
}
// Token: 0x06007299 RID: 29337 RVA: 0x0017B641 File Offset: 0x00179841
internal static bool GetCurrentCPU(IntPtr process, ref long cpuTime)
{
if (process == IntPtr.Zero)
{
throw new ArgumentNullException("process");
}
return(CPUUsage.InternalGetCurrentCPU(process, ref cpuTime));
}
// Token: 0x06007297 RID: 29335 RVA: 0x0017B611 File Offset: 0x00179811
internal static bool CalculateCPUUsagePercentage(IntPtr process, ref DateTime lastUpdatedTime, ref long lastCPU, out float cpuUsage)
{
if (process == IntPtr.Zero)
{
throw new ArgumentNullException("process");
}
return(CPUUsage.InternalCalculateCPUUsagePercentage(process, ref lastUpdatedTime, ref lastCPU, out cpuUsage));
}
// Token: 0x06007413 RID: 29715 RVA: 0x0017F070 File Offset: 0x0017D270
static ServerCPUUsage()
{
if (CPUUsage.GetCurrentCPU(ref ServerCPUUsage.lastServerCPUUsage))
{
ServerCPUUsage.lastUpdatedTime = DateTime.UtcNow;
return;
}
ServerCPUUsage.lastServerCPUUsage = 0L;
ServerCPUUsage.lastUpdatedTime = DateTime.MinValue;
}
public ProcessCPURunningAveragePerfCounterReader() : base(10, 500U)
{
this.currentProcess = NativeMethods.GetCurrentProcess();
if (CPUUsage.GetCurrentCPU(this.currentProcess, ref this.lastCPU))
{
this.lastTime = DateTime.UtcNow;
return;
}
this.lastCPU = 0L;
this.lastTime = DateTime.MinValue;
}
// Token: 0x06007414 RID: 29716 RVA: 0x0017F0C8 File Offset: 0x0017D2C8
private static void Refresh()
{
if (DateTime.UtcNow - ServerCPUUsage.lastUpdatedTime <= ServerCPUUsage.refreshInterval)
{
return;
}
lock (ServerCPUUsage.lockObject)
{
if (!(DateTime.UtcNow - ServerCPUUsage.lastUpdatedTime <= ServerCPUUsage.refreshInterval))
{
float num;
if (CPUUsage.CalculateCPUUsagePercentage(ref ServerCPUUsage.lastUpdatedTime, ref ServerCPUUsage.lastServerCPUUsage, out num))
{
ServerCPUUsage.lastServerCPUUsagePercentage = (uint)Math.Round((double)num);
}
}
}
}
// Token: 0x06007298 RID: 29336 RVA: 0x0017B634 File Offset: 0x00179834
internal static bool GetCurrentCPU(ref long cpuTime)
{
return(CPUUsage.InternalGetCurrentCPU(IntPtr.Zero, ref cpuTime));
}
// Token: 0x06007296 RID: 29334 RVA: 0x0017B602 File Offset: 0x00179802
internal static bool CalculateCPUUsagePercentage(ref DateTime lastUpdatedTime, ref long lastCPU, out float cpuUsage)
{
return(CPUUsage.InternalCalculateCPUUsagePercentage(IntPtr.Zero, ref lastUpdatedTime, ref lastCPU, out cpuUsage));
}