public void KeyProcStart(string VMName, string keyProcName)
{
DynamicAdjustment dynamicAdjustment = new DynamicAdjustment();
if (VMName == "VM1")
{
if (keyProcName == "chrome")
{
dynamicAdjustment.AdjustCPULimit(VMState.VM1, 70000);
}
dynamicAdjustment.AdjustCPUWeight(VMState.VM1, 10000);
}
if (VMName == "VM2")
{
if (keyProcName == "chrome")
{
dynamicAdjustment.AdjustCPULimit(VMState.VM2, 70000);
}
dynamicAdjustment.AdjustCPUWeight(VMState.VM2, 10000);
}
if (VMName == "VM3")
{
if (keyProcName == "chrome")
{
dynamicAdjustment.AdjustCPULimit(VMState.VM3, 70000);
}
dynamicAdjustment.AdjustCPUWeight(VMState.VM3, 10000);
}
return;
}
public static bool ResumePowerOnVM(VirtualMachine vm, UInt64 PowerOnMemorySize, UInt64 CPU_Reverve = 50000, UInt64 CPU_Limit = 50000)
{
try
{
if (vm == null)
{
Console.WriteLine("监测到虚拟机尚未安装");
return(false);
}
if (CPU_Reverve > CPU_Limit)
{
Console.WriteLine("监测到虚拟机保留：" + CPU_Reverve.ToString() + "需要小于虚拟机限制资源：" + CPU_Limit.ToString());
return(false);
}
DynamicAdjustment adjustment = new DynamicAdjustment();
bool ret = adjustment.AdjustCPUReservation(vm, CPU_Reverve);
ret &= adjustment.AdjustCPULimit(vm, CPU_Limit);
ret &= adjustment.AdjustMemorySize(vm, PowerOnMemorySize);
ret &= adjustment.AdjustCPUWeight(vm, 100);
return(true);
}
catch (Exception exp)
{
Console.WriteLine("监测到虚拟机准备恢复设置异常：" + exp.Message);
return(false);
}
}
public static void DynamicAdjustTest()
{
ManagementScope scope;
ManagementObject managementService;
scope = new ManagementScope(@"\\.\root\virtualization\v2", null);
managementService = WmiUtilities.GetVirtualMachineManagementService(scope);
VirtualMachine vm = new VirtualMachine("TestVM", scope, managementService);
UInt64 memSize = vm.performanceSetting.MemoryUsage;
DynamicAdjustment dynamicAdjustment = new DynamicAdjustment();
bool ret = LoadBalancer.PreparePowerOnVM(vm, 4096, out bool isRequestMemory);
ret &= LoadBalancer.ResumePowerOnVM(vm, 1144);
memSize = memSize - memSize / 8;
dynamicAdjustment.AdjustMemorySize(vm, memSize);
}
// 静态方法，供VMState类直接调用，请求开机时为虚拟机超量分配资源
public static bool PreparePowerOnVM(VirtualMachine vm, UInt64 PowerOnMemorySize, out bool RequestMem, UInt64 CPU_Reverve = 50000, UInt64 CPU_Limit = 100000)
{
try
{
RequestMem = false;
if (vm == null)
{
Console.WriteLine("监测到虚拟机尚未安装");
return(false);
}
if (CPU_Reverve > CPU_Limit)
{
Console.WriteLine("监测到虚拟机保留：" + CPU_Reverve.ToString() + "需要小于虚拟机限制资源：" + CPU_Limit.ToString());
return(false);
}
SystemInfo sysInfo = new SystemInfo();
long hostAvailableMemory = sysInfo.MemoryAvailable;
if (PowerOnMemorySize * 1024 * 1.2 > hostAvailableMemory)
{
RequestMem = true;
}
DynamicAdjustment adjustment = new DynamicAdjustment();
bool ret = adjustment.AdjustCPUCount(vm, 4);
ret &= adjustment.AdjustMemorySize(vm, PowerOnMemorySize);
ret &= adjustment.AdjustCPUReservation(vm, CPU_Reverve);
ret &= adjustment.AdjustCPULimit(vm, CPU_Limit);
ret &= adjustment.AdjustCPUWeight(vm, 10000);
return(true);
}
catch (Exception exp)
{
Console.WriteLine("监测到虚拟机准备开启设置异常：" + exp.Message);
RequestMem = false;
return(false);
}
}