kram-profile - one more stab at fixing total

kram-profile/kram-profile/kram_profileApp.swift

@@ -1484,16 +1484,22 @@ func convertStatsToTotalTrack(_ stats: BuildStats) -> [CatapultEvent] {
     event.ts = stats.frontendStart + stats.totalSource
     totalEvents.append(event)
 
-    // put this first, or else InstantiateClass isn't ordered properly
-    // Perfetto must not be sorting the events properly.  So order this one first
-    event = makeDurEvent(tid, "Total CodeGen Function", stats.totalCodeGenFunction, total)
-    event.ts = stats.frontendStart + stats.totalSource + stats.totalInstantiateFunction
-    totalEvents.append(event)
+    // This is nearly always bigger than its parent total 14% vs. 16%, so are totals wrong
+    var totalInstantiateClass = stats.totalInstantiateClass
+    if totalInstantiateClass > stats.totalInstantiateFunction {
+        totalInstantiateClass = stats.totalInstantiateFunction
+    }
 
-    event = makeDurEvent(tid, "Total InstantiateClass", stats.totalInstantiateClass, total)
+    // This overlaps with some Source, and some InstantiateFunction, so it's sort of double
+    // counted, so clamp it for now so Perfetto doesn't freak out and get the event order wrong.
+    event = makeDurEvent(tid, "Total InstantiateClass", totalInstantiateClass, total)
     event.ts = stats.frontendStart + stats.totalSource
     totalEvents.append(event)
 
+    event = makeDurEvent(tid, "Total CodeGen Function", stats.totalCodeGenFunction, total)
+    event.ts = stats.frontendStart + stats.totalSource + stats.totalInstantiateFunction
+    totalEvents.append(event)
+
     // backend
     event = makeDurEvent(tid, "Total Backend", stats.totalBackend, total)
     event.ts = stats.backendStart