public PerformanceSample(PerformanceSample other) { _counterInfo = other._counterInfo; _instanceName = other._instanceName; _timestamp = other._timestamp; _value = other._value; }
public PerformanceSample(PerformanceSample other) { _counterInfo = other._counterInfo; _instanceName = other._instanceName; _timestamp = other._timestamp; _value = other._value; }
internal PerformanceSample(PerfCounterInfo counterInfo, string instanceName, DateTime timestamp, double value) { _counterInfo = counterInfo; _instanceName = instanceName; _timestamp = timestamp; _value = value; }
internal PerformanceSample(PerfCounterInfo counterInfo, string instanceName, DateTime timestamp, double value) { _counterInfo = counterInfo; _instanceName = instanceName; _timestamp = timestamp; _value = value; }
protected void AddCounter(string counterPath, int index) { PdhCounterHandle counter; PdhStatus status = PdhNativeMethods.PdhAddCounter(_query, counterPath, IntPtr.Zero, out counter); if (status == PdhStatus.PDH_ENTRY_NOT_IN_LOG_FILE) return; PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA); var counterInfo = new PerfCounterInfo(counterPath, counter, index); _counters.Add(counterInfo); }
internal void ProduceCounterSamples(PerfCounterInfo counterInfo, DateTime timestamp) { uint bufferSize = 0; uint bufferCount; PdhStatus status = PdhNativeMethods.PdhGetFormattedCounterArray( counterInfo.Handle, PdhFormat.PDH_FMT_DOUBLE, ref bufferSize, out bufferCount, IntPtr.Zero); PdhUtils.CheckStatus(status, PdhStatus.PDH_MORE_DATA); var buffer = new byte[bufferSize]; unsafe { fixed(byte *pb = buffer) { status = PdhNativeMethods.PdhGetFormattedCounterArray( counterInfo.Handle, PdhFormat.PDH_FMT_DOUBLE, ref bufferSize, out bufferCount, (IntPtr)pb); if (status == PdhStatus.PDH_INVALID_DATA || status == PdhStatus.PDH_NO_DATA || status == PdhStatus.PDH_CALC_NEGATIVE_VALUE || status == PdhStatus.PDH_CALC_NEGATIVE_DENOMINATOR || status == PdhStatus.PDH_CALC_NEGATIVE_TIMEBASE) { var sample = new PerformanceSample(counterInfo, counterInfo.Instance, timestamp, double.NaN); _observer.OnNext(sample); return; } PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA); var items = (PDH_FMT_COUNTERVALUE_ITEM *)pb; for (int i = 0; i < bufferCount; i++) { PDH_FMT_COUNTERVALUE_ITEM *item = items + i; var instanceName = new string((char *)item->szName); var sample = new PerformanceSample(counterInfo, instanceName, timestamp, item->FmtValue.doubleValue); _observer.OnNext(sample); } } } }
internal void ProduceCounterSamples(PerfCounterInfo counterInfo, DateTime timestamp) { uint bufferSize = 0; uint bufferCount; PdhStatus status = PdhNativeMethods.PdhGetFormattedCounterArray( counterInfo.Handle, PdhFormat.PDH_FMT_DOUBLE, ref bufferSize, out bufferCount, IntPtr.Zero); PdhUtils.CheckStatus(status, PdhStatus.PDH_MORE_DATA); var buffer = new byte[bufferSize]; unsafe { fixed (byte* pb = buffer) { status = PdhNativeMethods.PdhGetFormattedCounterArray( counterInfo.Handle, PdhFormat.PDH_FMT_DOUBLE, ref bufferSize, out bufferCount, (IntPtr) pb); if (status == PdhStatus.PDH_INVALID_DATA || status == PdhStatus.PDH_CALC_NEGATIVE_VALUE || status == PdhStatus.PDH_CALC_NEGATIVE_DENOMINATOR || status == PdhStatus.PDH_CALC_NEGATIVE_TIMEBASE) { var sample = new PerformanceSample(counterInfo, counterInfo.Instance, timestamp, double.NaN); _observer.OnNext(sample); return; } PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA); var items = (PDH_FMT_COUNTERVALUE_ITEM*) pb; for (int i = 0; i < bufferCount; i++) { PDH_FMT_COUNTERVALUE_ITEM* item = items + i; var instanceName = new string((char*)item->szName); var sample = new PerformanceSample(counterInfo, instanceName, timestamp, item->FmtValue.doubleValue); _observer.OnNext(sample); } } } }
protected void AddCounter(string counterPath, int index) { PdhCounterHandle counter; PdhStatus status = PdhNativeMethods.PdhAddCounter(_query, counterPath, IntPtr.Zero, out counter); if (status == PdhStatus.PDH_ENTRY_NOT_IN_LOG_FILE || status == PdhStatus.PDH_CSTATUS_NO_INSTANCE) { return; } PdhUtils.CheckStatus(status, PdhStatus.PDH_CSTATUS_VALID_DATA); var counterInfo = new PerfCounterInfo(counterPath, counter, index); _counters.Add(counterInfo); }