public PerformanceCounterCategoryMetadata()
{
CacheRequests = new PerformanceCounterMetadata()
{
Name = "Cache Requests",
Description = "Total requests made to cache",
Type = PerformanceCounterType.NumberOfItems64,
Category = this
};
CacheHits = new PerformanceCounterMetadata()
{
Name = "Cache Hits",
Description = "Total cache hits",
Type = PerformanceCounterType.NumberOfItems64,
Category = this
};
CacheMisses = new PerformanceCounterMetadata()
{
Name = "Cache Misses",
Description = "Total cache misses",
Type = PerformanceCounterType.NumberOfItems64,
Category = this
};
Counters = new List <PerformanceCounterMetadata>()
{
CacheRequests, CacheHits, CacheMisses
};
}
public static void IncrementCount(PerformanceCounterMetadata counter)
{
EnsureCounter(counter);
if (counter.Type == PerformanceCounterType.NumberOfItems64)
{
if (_Counters.ContainsKey(counter.FullName))
{
try
{
_Counters[counter.FullName].Increment();
}
catch (Exception ex)
{
Log.Debug("Instrumentation.IncrementCounter failed for: {0}. Error: {1}", counter.FullName, ex.FullMessage());
}
}
}
}
private static void EnsureCounter(PerformanceCounterMetadata counter)
{
if (!_Counters.ContainsKey(counter.FullName))
{
try
{
if (!PerformanceCounterCategory.Exists(counter.Category.Name))
{
CreateCounters(counter.Category);
}
_Counters[counter.FullName] = new diag.PerformanceCounter(counter.Category.Name, counter.Name, false);
}
catch (Exception ex)
{
Log.Warn("Instrumentation.EnsureCounters failed to initialise performance counter: {0}. Counter may not be initialised. Error: {1}", counter.Name, ex.FullMessage());
}
}
}