/// <include file='doc\PerformanceCounterManager.uex' path='docs/doc[@for="PerformanceCounterManager.InitCounterDefinition"]/*' />
/// <devdoc>
/// Initializes the PERF_COUNTER_DEFINITION structure
/// </devdoc>
/// <internalonly/>
private static int InitCounterDefinition(IntPtr ptr, int counterIndex, ObjectData data, int nextCounterOffset)
{
NativeMethods.PERF_COUNTER_DEFINITION perfCounter = new NativeMethods.PERF_COUNTER_DEFINITION();
perfCounter.ByteLength = Marshal.SizeOf(typeof(NativeMethods.PERF_COUNTER_DEFINITION));
perfCounter.CounterNameTitleIndex = data.FirstCounterId + 2 + counterIndex * 2;
perfCounter.CounterNameTitlePtr = 0;
perfCounter.CounterHelpTitleIndex = data.FirstHelpId + 2 + counterIndex * 2;
perfCounter.CounterHelpTitlePtr = 0;
perfCounter.DefaultScale = 0;
perfCounter.DetailLevel = NativeMethods.PERF_DETAIL_NOVICE;
int counterType = data.CounterTypes[counterIndex];
perfCounter.CounterType = counterType;
if (((counterType & NativeMethods.PERF_SIZE_LARGE) != 0) || (counterType == NativeMethods.PERF_AVERAGE_TIMER))
{
perfCounter.CounterSize = NativeMethods.LARGE_INTEGER_SIZE;
}
else // Since we only support two counter sizes, if it's not an Int64, must be an Int32.
{
perfCounter.CounterSize = NativeMethods.DWORD_SIZE;
}
perfCounter.CounterOffset = nextCounterOffset;
int retVal = perfCounter.CounterSize;
Marshal.StructureToPtr(perfCounter, ptr, false);
return(retVal);
}
public void CounterDefinitionSampleReadsInstanceValueCorrectlyInt64()
{
// ARRANGE
var perfCounter = new NativeMethods.PERF_COUNTER_DEFINITION()
{
CounterNameTitleIndex = 0,
CounterType = 0,
CounterOffset = 6,
CounterSize = 8
};
var data = new byte[]
{
0, 0, 0, 0,
0, 0, 5, 0,
0, 0, 0, 0
};
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr dataRef = handle.AddrOfPinnedObject();
var sample = new CounterDefinitionSample(perfCounter, -1);
// ACT
sample.SetInstanceValue(0, dataRef);
// ASSERT
Assert.AreEqual(5, sample.GetInstanceValue(0));
handle.Free();
}
private static ThreadInfo GetThreadInfo(NativeMethods.PERF_OBJECT_TYPE type, IntPtr instancePtr, NativeMethods.PERF_COUNTER_DEFINITION[] counters)
{
ThreadInfo threadInfo = new ThreadInfo();
for (int i = 0; i < counters.Length; i++)
{
NativeMethods.PERF_COUNTER_DEFINITION pERF_COUNTER_DEFINITION = counters[i];
long num = NtProcessManager.ReadCounterValue(pERF_COUNTER_DEFINITION.CounterType, (IntPtr)((long)instancePtr + (long)pERF_COUNTER_DEFINITION.CounterOffset));
switch (pERF_COUNTER_DEFINITION.CounterNameTitlePtr)
{
case 11:
threadInfo.threadId = (int)num;
break;
case 12:
threadInfo.processId = (int)num;
break;
case 13:
threadInfo.basePriority = (int)num;
break;
case 14:
threadInfo.currentPriority = (int)num;
break;
case 17:
threadInfo.startAddress = (IntPtr)num;
break;
case 18:
threadInfo.threadState = (System.Diagnostics.ThreadState)num;
break;
case 19:
threadInfo.threadWaitReason = NtProcessManager.GetThreadWaitReason((int)num);
break;
}
}
return(threadInfo);
}
private static ProcessInfo GetProcessInfo(NativeMethods.PERF_OBJECT_TYPE type, IntPtr instancePtr, NativeMethods.PERF_COUNTER_DEFINITION[] counters)
{
ProcessInfo processInfo = new ProcessInfo();
for (int i = 0; i < counters.Length; i++)
{
NativeMethods.PERF_COUNTER_DEFINITION pERF_COUNTER_DEFINITION = counters[i];
long num = NtProcessManager.ReadCounterValue(pERF_COUNTER_DEFINITION.CounterType, (IntPtr)((long)instancePtr + (long)pERF_COUNTER_DEFINITION.CounterOffset));
switch (pERF_COUNTER_DEFINITION.CounterNameTitlePtr)
{
case 0:
processInfo.handleCount = (int)num;
break;
case 1:
processInfo.poolPagedBytes = num;
break;
case 2:
processInfo.poolNonpagedBytes = num;
break;
case 4:
processInfo.virtualBytesPeak = num;
break;
case 5:
processInfo.virtualBytes = num;
break;
case 6:
processInfo.privateBytes = num;
break;
case 7:
processInfo.pageFileBytes = num;
break;
case 8:
processInfo.pageFileBytesPeak = num;
break;
case 9:
processInfo.workingSetPeak = num;
break;
case 10:
processInfo.workingSet = num;
break;
case 12:
processInfo.processId = (int)num;
break;
case 13:
processInfo.basePriority = (int)num;
break;
}
}
return(processInfo);
}
