public bool SetMaxCpu(int num)
{
if (num > 100)
{
num = 100;
}
if (num < 0)
{
num = 0;
}
string command1 = "powercfg /setacvalueindex " +
scheme_GUID + " " + sub_GUID + " " + setting_GUID + " " + num.ToString();
string command2 = "powercfg /setdcvalueindex " +
scheme_GUID + " " + sub_GUID + " " + setting_GUID + " " + num.ToString();
string command3 = "powercfg /s " + scheme_GUID;
CmdResult result = CmdRunner.CmdRun(command1 + "&" + command2 + "&" + command3);
Log("\n设置状态\n" + command1 + "&" + command2 + "&" + command3);
if (result.error == string.Empty)
{
return(true);
}
else
{
return(false);
}
}
public PowerManager()
{
logPath = AppDomain.CurrentDomain.BaseDirectory + "runtime.log";
//写出查询结果日志
if (!File.Exists(logPath))
{
File.Create(logPath).Close();
}
else
{
//若文件超过100k则清空
FileInfo fileInfo = new FileInfo(logPath);
if (fileInfo.Length > 100 * 1024)
{
File.Create(logPath).Close();
}
}
CmdResult schemeListResult = CmdRunner.CmdRun("powercfg /l");
Log("\n计划列表\n" + schemeListResult.result);
CmdResult queryResult = CmdRunner.CmdRun("powercfg /q");
Log("\n计划查询\n" + queryResult.result);
//查找当前电源方案的GUID
Regex rScheme = new Regex(@"电源方案 GUID: ([a-z0-9\-]+) \(.*\) \*");
if (rScheme.IsMatch(schemeListResult.result))
{
scheme_GUID = rScheme.Match(schemeListResult.result).Groups[1].ToString();
}
else
{
throw new Exception("CmdError:" + schemeListResult.error
+ "&CmdResult:" + schemeListResult.result);
}
//查找子组GUID
Regex rSub = new Regex(@"子组 GUID: ([a-z0-9\-]+) \(处理器电源管理\)");
if (rSub.IsMatch(queryResult.result))
{
sub_GUID = rSub.Match(queryResult.result).Groups[1].ToString();
}
else
{
throw new Exception("CmdError:" + queryResult.error
+ "&CmdResult:" + queryResult.result);
}
//查找设置GUID
Regex rSet = new Regex(@"电源设置 GUID: ([a-z0-9\-]+) \(最大处理器状态\)");
if (rSet.IsMatch(queryResult.result))
{
setting_GUID = rSet.Match(queryResult.result).Groups[1].ToString();
}
else
{
throw new Exception("CmdError:" + queryResult.error
+ "&CmdResult:" + queryResult.result);
}
//查找当前CPU设置
//查找最大处理器状态
int startIndex = queryResult.result.IndexOf("最大处理器状态");
Regex rValue = new Regex(@"交流电源设置索引: 0x([0-9]+)");
maxValue = Convert.ToInt32(rValue.Match(queryResult.result, startIndex).Groups[1].ToString(), 16);
//查找最小处理器状态
startIndex = queryResult.result.IndexOf("最小处理器状态");
minValue = Convert.ToInt32(rValue.Match(queryResult.result, startIndex).Groups[1].ToString(), 16);
Log("\n已查找GUID：" +
"\n电源方案 " + scheme_GUID +
"\n子类 " + sub_GUID +
"\n最大状态 " + setting_GUID + " " + maxValue
+ "\n最小状态 " + minValue);
//若最小处理器状态过大
if (minValue == 100)
{
//查找最小处理器状态GUID
rSet = new Regex(@"电源设置 GUID: ([a-z0-9\-]+) \(最小处理器状态\)");
string minSettingGUID = rSet.Match(queryResult.result).Groups[1].ToString();
//设置最小CPU为99
string command1 = "powercfg /setacvalueindex " +
scheme_GUID + " " + sub_GUID + " " + minSettingGUID + " 99";
string command2 = "powercfg /setdcvalueindex " +
scheme_GUID + " " + sub_GUID + " " + minSettingGUID + " 99";
CmdRunner.CmdRun(command1 + "&" + command2);
}
}
