///// Time a thread has spent working
//public struct thread_times
//{
// /// Time a thread has spent in kernel space
// public FILETIME kernel;
// /// Time a thread has spent in user space
// public FILETIME user;
//};
/// <summary>
/// return the sum of all thread times of this process
/// </summary>
/// <param name="processID"></param>
/// <param name="lpKernelTime"></param>
/// <param name="lpUserTime"></param>
/// <returns></returns>
public static int GetProcessTimes(uint processID, ref FILETIME lpKernelTime, ref FILETIME lpUserTime,
ref long duration)
{
//threadStruct[] myThreads = new threadStruct[255];//hopefully enough
int iCount = 0;
uint startTicks = 0;//, duration=0;
long FTprocKernel = 0, FTprocUser = 0, FTprocTotal = 0;
CosmicPowers cosmicPower = new CosmicPowers();
IntPtr snapshot = CreateToolhelp32Snapshot(SnapshotFlags.Thread | SnapshotFlags.NoHeaps, 0);
if ((int)snapshot != INVALID_HANDLE_VALUE)
{
THREADENTRY32 te = new THREADENTRY32();
te.dwSize = (uint)Marshal.SizeOf(te);
startTicks = GetTickCount();
Int32 bRes = Thread32First(snapshot, ref te);
if (bRes > 0)
{
do
{
FILETIME creation = new FILETIME();
FILETIME exit = new FILETIME();
FILETIME kernel = new FILETIME();
FILETIME user = new FILETIME();
uint hThread = te.th32ThreadID;
if (te.th32OwnerProcessID == processID)
{
if (GetThreadTimes(hThread,
out creation,
out exit,
out kernel,
out user))
{
//add the thread's values to our sum
FTprocKernel += kernel;
FTprocUser += user;
FTprocTotal += kernel + user;
//System.Diagnostics.Debug.WriteLine(
// te.th32OwnerProcessID.ToString() + ": \t" +
// kernel.ToString() + "\t" +
// user.ToString());
iCount++;
}
}
} while (Thread32Next(snapshot, out te) > 0);
}
else
{
System.Diagnostics.Debug.WriteLine("error=" + Marshal.GetLastWin32Error());
}
CloseToolhelp32Snapshot(snapshot);
}
cosmicPower.Dispose();
lpKernelTime = FTprocKernel;
lpUserTime = FTprocUser;
//System.Diagnostics.Debug.WriteLine("usage: " + ((float)(((FTprocKernelDuration+FTprocUserDuration) / 100f) * duration)).ToString("0.00%"));
return(iCount);
}
///// Time a thread has spent working
//public struct thread_times
//{
// /// Time a thread has spent in kernel space
// public FILETIME kernel;
// /// Time a thread has spent in user space
// public FILETIME user;
//};
/// <summary>
/// return the sum of all thread times of this process
/// </summary>
/// <param name="processID"></param>
/// <param name="lpKernelTime"></param>
/// <param name="lpUserTime"></param>
/// <returns></returns>
public static int GetProcessTimes(uint processID, ref FILETIME lpKernelTime, ref FILETIME lpUserTime,
ref long duration)
{
//threadStruct[] myThreads = new threadStruct[255];//hopefully enough
int iCount = 0;
uint startTicks = 0;//, duration=0;
long FTprocKernel = 0, FTprocUser = 0, FTprocTotal = 0;
CosmicPowers cosmicPower = new CosmicPowers();
IntPtr snapshot = CreateToolhelp32Snapshot(SnapshotFlags.Thread | SnapshotFlags.NoHeaps, 0);
if ((int)snapshot != INVALID_HANDLE_VALUE)
{
THREADENTRY32 te = new THREADENTRY32();
te.dwSize = (uint)Marshal.SizeOf(te);
startTicks = GetTickCount();
Int32 bRes = Thread32First(snapshot, ref te);
if (bRes > 0)
{
do
{
FILETIME creation = new FILETIME();
FILETIME exit = new FILETIME();
FILETIME kernel = new FILETIME();
FILETIME user = new FILETIME();
uint hThread = te.th32ThreadID;
if (te.th32OwnerProcessID == processID)
{
if (GetThreadTimes(hThread,
out creation,
out exit,
out kernel,
out user))
{
//add the thread's values to our sum
FTprocKernel += kernel;
FTprocUser += user;
FTprocTotal += kernel + user;
//System.Diagnostics.Debug.WriteLine(
// te.th32OwnerProcessID.ToString() + ": \t" +
// kernel.ToString() + "\t" +
// user.ToString());
iCount++;
}
}
} while (Thread32Next(snapshot, out te) > 0);
}
else
{
System.Diagnostics.Debug.WriteLine("error=" + Marshal.GetLastWin32Error());
}
CloseToolhelp32Snapshot(snapshot);
}
cosmicPower.Dispose();
lpKernelTime = FTprocKernel;
lpUserTime = FTprocUser;
//System.Diagnostics.Debug.WriteLine("usage: " + ((float)(((FTprocKernelDuration+FTprocUserDuration) / 100f) * duration)).ToString("0.00%"));
return iCount;
}
