C#: Store buildless extraction timing information and return in telemetry query

csharp/extractor/Semmle.Extraction.CSharp.Standalone/Extractor.cs

@@ -40,7 +40,6 @@ namespace Semmle.Extraction.CSharp.Standalone
                         output.Name, syntaxTrees, references, new CSharpCompilationOptions(OutputKind.ConsoleApplication, allowUnsafe: true)
                         ),
                     (compilation, options) => analyser.Initialize(output.FullName, extractionInput.CompilationInfos, compilation, options),
-                    _ => { },
                     () =>
                     {
                         foreach (var type in analyser.MissingNamespaces)

csharp/extractor/Semmle.Extraction.CSharp/Extractor/Analyser.cs

@@ -245,6 +245,8 @@ namespace Semmle.Extraction.CSharp
             }
         }
 
+        public void LogPerformance(Entities.PerformanceMetrics p) => compilationEntity.PopulatePerformance(p);
+
 #nullable restore warnings
 
         /// <summary>

csharp/extractor/Semmle.Extraction.CSharp/Extractor/Extractor.cs

@@ -309,7 +309,6 @@ namespace Semmle.Extraction.CSharp
             Func<Analyser, List<SyntaxTree>, IEnumerable<Action>> getSyntaxTreeTasks,
             Func<IEnumerable<SyntaxTree>, IEnumerable<MetadataReference>, CSharpCompilation> getCompilation,
             Action<CSharpCompilation, CommonOptions> initializeAnalyser,
-            Action<Entities.PerformanceMetrics> logPerformance,
             Action postProcess)
         {
             using var references = new BlockingCollection<MetadataReference>();
@@ -368,7 +367,7 @@ namespace Semmle.Extraction.CSharp
                 PeakWorkingSet = currentProcess.PeakWorkingSet64
             };
 
-            logPerformance(performance);
+            analyser.LogPerformance(performance);
             analyser.Logger.Log(Severity.Info, "  Extraction took {0}", sw.Elapsed);
 
             postProcess();
@@ -422,7 +421,6 @@ namespace Semmle.Extraction.CSharp
                         );
                 },
                 (compilation, options) => analyser.EndInitialize(compilerArguments, options, compilation),
-                performance => analyser.LogPerformance(performance),
                 () => { });
         }
 

csharp/extractor/Semmle.Extraction.CSharp/Extractor/TracingAnalyser.cs

@@ -175,9 +175,6 @@ namespace Semmle.Extraction.CSharp
                     Where(e => e.Severity >= DiagnosticSeverity.Error && !errorsToIgnore.Contains(e.Id));
             }
         }
-
-        public void LogPerformance(Entities.PerformanceMetrics p) => compilationEntity.PopulatePerformance(p);
-
 #nullable restore warnings
     }
 }

csharp/ql/src/Telemetry/ExtractorInformation.ql

@@ -201,6 +201,14 @@ predicate analyzerAssemblies(string key, float value) {
   value = 1.0
 }
 
+predicate timingValues(string key, float value) {
+  exists(Compilation c |
+    key = "Total elapsed seconds" and value = c.getElapsedSeconds()
+    or
+    key = "Extractor elapsed seconds" and value = c.getExtractorElapsedSeconds()
+  )
+}
+
 from string key, float value
 where
   (
@@ -230,7 +238,8 @@ where
     ExprStatsReport::numberOfOk(key, value) or
     ExprStatsReport::numberOfNotOk(key, value) or
     ExprStatsReport::percentageOfOk(key, value) or
-    analyzerAssemblies(key, value)
+    analyzerAssemblies(key, value) or
+    timingValues(key, value)
   ) and
   /* Infinity */
   value != 1.0 / 0.0 and