public PerfCounterRealTimeProbe(IObserver <PerformanceSample> observer, TimeSpan samplingRate, params string[] counterPaths)
: base(observer)
{
PdhStatus status = PdhNativeMethods.PdhOpenQuery(null, IntPtr.Zero, out _query);
PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA);
for (int i = 0; i < counterPaths.Length; i++)
{
AddCounter(counterPaths[i], i);
}
_timer = new Timer(OnTimer, null, TimeSpan.Zero, samplingRate);
}
public PerfCounterFileReader(IObserver <PerformanceSample> observer, string file)
: base(observer)
{
string extension = Path.GetExtension(file);
if (extension != null)
{
_binaryLog = extension.ToLowerInvariant() == ".blg";
}
string[] counterPaths = PdhUtils.GetCounterPaths(file);
PdhStatus status = PdhNativeMethods.PdhOpenQuery(file, IntPtr.Zero, out _query);
PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA);
for (int i = 0; i < counterPaths.Length; i++)
{
AddCounter(counterPaths[i], i);
}
Read();
}