[1.10>master] [MERGE #5414 @mike-kaufman] Updating telemetry reporting to include a variety of boolean flags from the recyclerFlagsTable

Merge pull request #5414 from mike-kaufman:build/mkaufman/gc-telemetry-tweaks-2018-07-02

Author: Mike Kaufman

lib/Common/Memory/Recycler.h

@@ -711,11 +711,17 @@ class Recycler
         virtual void ValueChanged(const CollectionState& newVal, const CollectionState& oldVal)
         {
 #ifdef ENABLE_BASIC_TELEMETRY
-            if (oldVal == CollectionState::CollectionStateNotCollecting && newVal != CollectionState::CollectionStateNotCollecting && newVal != CollectionState::Collection_PreCollection)
+            if (oldVal == CollectionState::CollectionStateNotCollecting && 
+                newVal != CollectionState::CollectionStateNotCollecting && 
+                newVal != CollectionState::Collection_PreCollection && 
+                newVal != CollectionState::CollectionStateExit)
             {
                 this->recycler->GetRecyclerTelemetryInfo().StartPass(newVal);
             }
-            else if (oldVal != CollectionState::CollectionStateNotCollecting && oldVal != CollectionState::Collection_PreCollection && newVal == CollectionState::CollectionStateNotCollecting)
+            else if (oldVal != CollectionState::CollectionStateNotCollecting && 
+                oldVal != CollectionState::Collection_PreCollection && 
+                oldVal != CollectionState::CollectionStateExit &&
+                newVal == CollectionState::CollectionStateNotCollecting)
             {
                 this->recycler->GetRecyclerTelemetryInfo().EndPass(oldVal);
             }

lib/Common/Memory/RecyclerTelemetryInfo.cpp

@@ -52,9 +52,29 @@ namespace Memory
         return this->recycler->GetRecyclerID();
     }
 
-    bool RecyclerTelemetryInfo::GetIsConcurrentEnabled() const
+    RecyclerFlagsTableSummary RecyclerTelemetryInfo::GetRecyclerConfigFlags() const
     {
-        return this->recycler->IsConcurrentEnabled();
+
+        // select set of config flags that we can pack into an uint32
+        RecyclerFlagsTableSummary flags = RecyclerFlagsTableSummary::None;
+
+        if (this->recycler->IsMemProtectMode())                    { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::IsMemProtectMode);                     }
+        if (this->recycler->IsConcurrentEnabled())                 { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::IsConcurrentEnabled);                  }
+        if (this->recycler->enableScanInteriorPointers)            { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::EnableScanInteriorPointers);           }
+        if (this->recycler->enableScanImplicitRoots)               { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::EnableScanImplicitRoots);              }
+        if (this->recycler->disableCollectOnAllocationHeuristics)  { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::DisableCollectOnAllocationHeuristics); }
+#ifdef RECYCLER_STRESS
+        if (this->recycler->recyclerStress)                        { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::RecyclerStress);                       }
+#if ENABLE_CONCURRENT_GC
+        if (this->recycler->recyclerBackgroundStress)              { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::RecyclerBackgroundStress);             }
+        if (this->recycler->recyclerConcurrentStress)              { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::RecyclerConcurrentStress);             }
+        if (this->recycler->recyclerConcurrentRepeatStress)        { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::RecyclerConcurrentRepeatStress);       }
+#endif
+#if ENABLE_PARTIAL_GC
+        if (this->recycler->recyclerPartialStress)                 { flags = static_cast<RecyclerFlagsTableSummary>(flags | RecyclerFlagsTableSummary::RecyclerPartialStress);                }
+#endif
+#endif
+        return flags;
     }
 
     bool RecyclerTelemetryInfo::ShouldStartTelemetryCapture() const
@@ -65,7 +85,6 @@ namespace Memory
             this->hostInterface->IsTelemetryProviderEnabled();
     }
 
-
     void RecyclerTelemetryInfo::FillInSizeData(IdleDecommitPageAllocator* allocator, AllocatorSizes* sizes) const
     {
         sizes->committedBytes = allocator->GetCommittedBytes();

lib/Common/Memory/RecyclerTelemetryInfo.h

@@ -87,6 +87,25 @@ namespace Memory
 #endif
     };
 
+    /**
+     * Consolidated summary of data from RecyclerFlagsTable that we want to
+     * transmit via telemetry. Goal is to pack this into maximum of 64-bits.
+     */
+    enum RecyclerFlagsTableSummary : uint32
+    {
+        None                                 = 0x0000,
+        IsMemProtectMode                     = 0x0001,
+        IsConcurrentEnabled                  = 0x0002,
+        EnableScanInteriorPointers           = 0x0004,
+        EnableScanImplicitRoots              = 0x0008,
+        DisableCollectOnAllocationHeuristics = 0x0016,
+        RecyclerStress                       = 0x0032,
+        RecyclerBackgroundStress             = 0x0064,
+        RecyclerConcurrentStress             = 0x0128,
+        RecyclerConcurrentRepeatStress       = 0x0256,
+        RecyclerPartialStress                = 0x0512,
+    };
+
     typedef SList<RecyclerTelemetryGCPassStats, HeapAllocator> GCPassStatsList;
 
     /**
@@ -109,9 +128,9 @@ namespace Memory
         inline const Js::Tick& GetLastTransmitTime() const { return this->lastTransmitTime; }
         inline const uint16 GetPassCount() const { return this->passCount; }
         const GUID& GetRecyclerID() const;
-        bool GetIsConcurrentEnabled() const;
         bool IsOnScriptThread() const;
         GCPassStatsList::Iterator GetGCPassStatsIterator() const;
+        RecyclerFlagsTableSummary GetRecyclerConfigFlags() const;
 
         AllocatorDecommitStats* GetThreadPageAllocator_decommitStats() { return &this->threadPageAllocator_decommitStats; }
         AllocatorDecommitStats* GetRecyclerLeafPageAllocator_decommitStats() { return &this->recyclerLeafPageAllocator_decommitStats; }