internal static int GetProcessMemoryUsageSnapshot(int pid, ref ProcessResourceUsage buffer, long bufferSize, bool includeChildProcesses)
{
var resourceUsage = GetResourceUsageForProcessTree(pid, includeChildProcesses);
buffer.WorkingSetSize = resourceUsage.Where(u => u.HasValue).Aggregate(0UL, (acc, usage) => acc + usage.Value.WorkingSetSize);
buffer.PeakWorkingSetSize = resourceUsage.Where(u => u.HasValue).Aggregate(0UL, (acc, usage) => acc + usage.Value.PeakWorkingSetSize);
return(0);
}
/// <summary>
/// Returns the memory counters of a specific process only when running on Windows,
/// otherwise counters for a whole processes tree rooted at the given process id.
/// </summary>
/// <param name="handle">When calling from Windows the SafeProcessHandle is required</param>
/// <param name="pid">On non-windows systems a process id has to be provided</param>
public static ProcessMemoryCountersSnapshot?GetMemoryCountersSnapshot(IntPtr handle, int pid)
{
switch (s_currentOS)
{
case OperatingSystem.Win:
{
var counters = Windows.Memory.GetMemoryUsageCounters(handle);
if (counters != null)
{
return(ProcessMemoryCountersSnapshot.CreateFromBytes(
counters.PeakWorkingSetSize,
counters.WorkingSetSize,
(counters.WorkingSetSize + counters.PeakWorkingSetSize) / 2,
counters.PeakPagefileUsage,
counters.PagefileUsage));
}
return(null);
}
default:
{
var usage = new ProcessResourceUsage();
if (Unix.Process.GetProcessMemoryUsage(pid, ref usage, includeChildProcesses: true) == MACOS_INTEROP_SUCCESS)
{
return(ProcessMemoryCountersSnapshot.CreateFromBytes(
usage.PeakWorkingSetSize,
usage.WorkingSetSize,
(usage.WorkingSetSize + usage.PeakWorkingSetSize) / 2,
peakCommitSize: 0,
lastCommitSize: 0));
}
return(null);
}
}
}
/// <summary>
/// Returns process resource usage information to the caller
/// </summary>
/// <param name="pid">The process id to check</param>
/// <param name="buffer">A ProcessResourceUsage struct to hold the process resource information</param>
/// <param name="includeChildProcesses">Whether the result should include the execution times of all the child processes</param>
public static int GetProcessResourceUsage(int pid, ref ProcessResourceUsage buffer, bool includeChildProcesses) => IsMacOS
? Impl_Mac.GetProcessResourceUsage(pid, ref buffer, Marshal.SizeOf(buffer), includeChildProcesses)
: ERROR;
/// <summary> /// Returns process resource usage information to the caller /// </summary> /// <param name="pid">The process id to check</param> /// <param name="buffer">A ProcessResourceUsage struct to hold the process resource information</param> /// <param name="includeChildProcesses">Whether the result should include the execution times of all the child processes</param> public static int GetProcessResourceUsage(int pid, ref ProcessResourceUsage buffer, bool includeChildProcesses) => GetProcessResourceUsage(pid, ref buffer, Marshal.SizeOf(buffer), includeChildProcesses);
private static extern int GetProcessResourceUsage(int pid, ref ProcessResourceUsage buffer, long bufferSize, bool includeChildProcesses);
/// <summary>
/// Populates a process resource usage information buffer with memory usage information only.
/// </summary>
/// <param name="pid">The process id to check</param>
/// <param name="buffer">A ProcessResourceUsage struct to hold the memory usage information</param>
/// <param name="includeChildProcesses">Whether the result should include the usage numbers of all the child processes</param>
public static int GetProcessMemoryUsage(int pid, ref ProcessResourceUsage buffer, bool includeChildProcesses) => IsMacOS
? Impl_Mac.GetProcessResourceUsageSnapshot(pid, ref buffer, Marshal.SizeOf(buffer), includeChildProcesses)
: Impl_Linux.GetProcessMemoryUsageSnapshot(pid, ref buffer, Marshal.SizeOf(buffer), includeChildProcesses);
internal static extern int GetProcessResourceUsageSnapshot(int pid, ref ProcessResourceUsage buffer, long bufferSize, bool includeChildProcesses);
