Workaround fix for issue 91. For long running sessions where the firs…

…t information is missing this API will throw.
Siemens-Healthineers · Sep 9, 2024 · 98a5f80 · 98a5f80
1 parent 21ed660
commit 98a5f80
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/ETWAnalyzer/Extractors/CPU/CpuFrequencyExtractor.cs b/ETWAnalyzer/Extractors/CPU/CpuFrequencyExtractor.cs
@@ -29,9 +29,17 @@ public override void Extract(ITraceProcessor processor, ETWExtract results)
 
                 foreach(Microsoft.Windows.EventTracing.Power.IProcessorFrequencyInterval cpu in myCpuFrequencies.Result.Intervals) 
                 {
-                    if( cpu.AverageFrequency == null)
+                    try
                     {
-                        Console.WriteLine($"Warning: File {results.SourceETLFileName} contains CPU frequency ETW data, but AverageFrequency is null. This happens when the CaptureState for the Microsoft-Windows-Kernel-Processor-Power provider is missing.");
+                        if (cpu.AverageFrequency == null)
+                        {
+                            Console.WriteLine($"Warning: File {results.SourceETLFileName} contains CPU frequency ETW data, but AverageFrequency is null. This happens when the CaptureState for the Microsoft-Windows-Kernel-Processor-Power provider is missing.");
+                            break;
+                        }
+                    }
+                    catch(ArgumentOutOfRangeException)
+                    {
+                        Console.WriteLine($"Warning: File {results.SourceETLFileName} contains CPU frequency ETW data, but AverageFrequency is not accessible. This happens when the CaptureState for the Microsoft-Windows-Kernel-Processor-Power provider is missing.");
                         break;
                     }