public void a_performance_counter_can_be_defined_from_a_category_and_a_counter() { var counter = new PerformanceCounterDefinition("\\category\\counter"); Assert.That(counter.CategoryName, Is.EqualTo("category")); Assert.That(counter.CounterName, Is.EqualTo("counter")); Assert.That(counter.InstanceName, Is.Null); }
public void a_performance_counter_can_be_defined_from_a_category_with_a_particular_instance_and_a_counter() { var counter = new PerformanceCounterDefinition("\\category(instance)\\counter"); Assert.That(counter.CategoryName, Is.EqualTo("category")); Assert.That(counter.CounterName, Is.EqualTo("counter")); Assert.That(counter.InstanceName, Is.EqualTo("instance")); Assert.That(counter.AllInstances, Is.False); }
public IEnumerable <Sample> QueryValue(string path) { try { var samples = new List <Sample>(); var definition = new PerformanceCounterDefinition(path); if (definition.AllInstances) { var instances = _categoryRepository.GetInstances(definition.CategoryName); foreach (var instance in instances) { var value = _registry.Read(definition.CategoryName, definition.CounterName, instance); if (value.HasValue) { samples.Add(new Sample(instance, value.Value)); } } } else { var value = _registry.Read(definition.CategoryName, definition.CounterName, definition.InstanceName); if (value.HasValue) { samples.Add(new Sample(definition.InstanceName, value.Value)); } } return(samples); } catch (Exception ex) { ex.Data.Add("Path", path); Log.Error("Exception occurred querying performance counter", ex); } return(Enumerable.Empty <Sample>()); }
public IEnumerable<Sample> QueryValue(string path) { try { var samples = new List<Sample>(); var definition = new PerformanceCounterDefinition(path); if (definition.AllInstances) { var instances = _categoryRepository.GetInstances(definition.CategoryName); foreach (var instance in instances) { var value = _registry.Read(definition.CategoryName, definition.CounterName, instance); if (value.HasValue) { samples.Add(new Sample(instance, value.Value)); } } } else { var value = _registry.Read(definition.CategoryName, definition.CounterName, definition.InstanceName); if (value.HasValue) { samples.Add(new Sample(definition.InstanceName, value.Value)); } } return samples; } catch (Exception ex) { ex.Data.Add("Path", path); Log.Error("Exception occurred querying performance counter", ex); } return Enumerable.Empty<Sample>(); }