RTE Model: improve collecting device properties for multi-core devices

libs/rtemodel/include/RteDevice.h

@@ -8,7 +8,7 @@
 */
 /******************************************************************************/
 /*
- * Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2026 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -1132,24 +1132,24 @@ class RteDeviceItem : public RteDeviceElement
    * @brief collect effective properties for a supplied tag (e.g. "debug") and processor (e.g. "core_one")
    * @param tag property tag
    * @param properties reference to list of pointers to RteDeviceProperty to fill
-   * @param pName processor name, empty to collect properties for all processors
+   * @param pName processor name; if empty, collects only common properties (without Pname)
    * @param bRecursive flag to collect properties recursively from RteDeviceItem parent chain
   */
   void CollectEffectiveProperties(const std::string& tag, std::list<RteDeviceProperty*>& properties, const std::string& pName = EMPTY_STRING, bool bRecursive = true) const;
 
   /**
    * @brief collect all effective properties for given processor name
    * @param properties reference to RteDevicePropertyMap to fill
-   * @param pName processor name, empty to collect properties for all processors
+   * @param pName processor name; if empty, collects only common properties (without Pname)
   */
   void CollectEffectiveProperties(RteDevicePropertyMap& properties, const std::string& pName = EMPTY_STRING) const;
 
 
   /**
    * @brief fill m_effectiveProperties member by calling via CollectEffectiveProperties(RteDevicePropertyMap&, const std::string&)
-   * @param pName processor name, empty to collect properties for all processors
+   * @param pName processor name; if empty, collects only common properties (without Pname)
   */
-  void CollectEffectiveProperties(const std::string& pName = EMPTY_STRING);
+  const RteDevicePropertyMap& CollectEffectiveProperties(const std::string& pName = EMPTY_STRING);
 
 protected:
   std::map<std::string, RteDeviceProperty*> m_processors; // processor properties

libs/rtemodel/include/RteTarget.h

@@ -8,7 +8,7 @@
 */
 /******************************************************************************/
 /*
- * Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2026 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -897,7 +897,7 @@ class RteTarget : public RteItem
 
   /**
    * @brief getter for list of boards compatible with target's device
-   * @param boards collection of RteBoad to fill
+   * @param boards collection of RteBoard to fill
   */
   void GetBoards(std::vector<RteBoard*>& boards) const;
 
@@ -1042,7 +1042,7 @@ class RteTarget : public RteItem
 
   void CollectPreIncludeStrings(RteComponent* c, int count);
 
-  void AddBoadProperties(RteDeviceItem* device, const std::string& processorName);
+  void AddBoardProperties(RteDeviceItem* device, const std::string& processorName);
   void AddAlgorithm(RteItem* algo, RteItem* holder);
 
   std::string NormalizeIncPath(const std::string& path) const;

libs/rtemodel/src/RteDevice.cpp

@@ -6,7 +6,7 @@
 */
 /******************************************************************************/
 /*
- * Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2026 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -709,7 +709,7 @@ void RteDeviceItem::CollectEffectiveProperties(const string& tag, list<RteDevice
       RteDeviceProperty* p = dynamic_cast<RteDeviceProperty*>(child);
       if (p) {
         const string& propPname = p->GetProcessorName();
-        if (pName.empty() || propPname.empty() || propPname == pName) {
+        if (propPname.empty() || propPname == pName) {
           const string& id = p->GetID();
           RteDeviceProperty* pInserted = RteDeviceProperty::GetPropertyFromList(id, properties);
           if (p == pInserted)
@@ -736,8 +736,7 @@ void RteDeviceItem::CollectEffectiveProperties(const string& tag, list<RteDevice
 // more complicated - gets all available properties
 void RteDeviceItem::CollectEffectiveProperties(RteDevicePropertyMap& properties, const string& pName) const
 {
-  RteDevicePropertyMap::iterator dstIt;
-  for (auto [tag, props] : m_properties) {
+  for (const auto& [tag, props] : m_properties) {
     auto dstIt = properties.find(tag);
     // add top containers if not yet exist
     if (dstIt == properties.end()) {
@@ -754,17 +753,18 @@ void RteDeviceItem::CollectEffectiveProperties(RteDevicePropertyMap& properties,
 }
 
 
-void RteDeviceItem::CollectEffectiveProperties(const string& pName)
+const RteDevicePropertyMap& RteDeviceItem::CollectEffectiveProperties(const string& pName)
 {
   m_effectiveProperties[pName] = RteEffectiveProperties();
   auto it = m_effectiveProperties.find(pName);
   RteDevicePropertyMap& pmap = it->second.m_propertyMap;
   CollectEffectiveProperties(pmap, pName);
-  for (auto [_, l] : pmap) {
+  for (const auto& [_, l] : pmap) {
     for (auto p : l) {
       p->CalculateCachedValues();
     }
   }
+  return pmap;
 }
 
 
@@ -779,32 +779,21 @@ const list<RteDeviceProperty*>& RteEffectiveProperties::GetProperties(const stri
 
 const RteDevicePropertyMap& RteDeviceItem::GetEffectiveProperties(const string& pName)
 {
-  if (m_effectiveProperties.empty()) {
-    for (auto [pn, p] : m_processors) {
-      CollectEffectiveProperties(pn);
+  if(pName.empty() || contains_key(m_processors, pName)) {
+    auto itp = m_effectiveProperties.find(pName);
+    if(itp != m_effectiveProperties.end()) {
+      return itp->second.m_propertyMap;
     }
+    return CollectEffectiveProperties(pName);
   }
-
-  auto itp = m_effectiveProperties.find(pName);
-  if (itp != m_effectiveProperties.end()) {
-    return itp->second.m_propertyMap;
-  }
-
   static const RteDevicePropertyMap EMPTY_PROPERTY_MAP;
   return EMPTY_PROPERTY_MAP;
 }
 
 const list<RteDeviceProperty*>& RteDeviceItem::GetEffectiveProperties(const string& tag, const string& pName)
 {
-  if (m_effectiveProperties.empty()) {
-    GetEffectiveProperties(pName);
-  }
-  auto itp = m_effectiveProperties.find(pName);
-  if (itp != m_effectiveProperties.end()) {
-    const RteEffectiveProperties& effectiveProps = itp->second;
-    return effectiveProps.GetProperties(tag);
-  }
-  return EMPTY_PROPERTY_LIST;
+  const RteDevicePropertyMap& effectivePropMap = GetEffectiveProperties(pName);
+  return get_or_default_const_ref(effectivePropMap, tag, EMPTY_PROPERTY_LIST);
 }
 
 RteDeviceProperty* RteDeviceItem::GetSingleEffectiveProperty(const string& tag, const string& pName)
@@ -817,11 +806,11 @@ RteDeviceProperty* RteDeviceItem::GetSingleEffectiveProperty(const string& tag,
 
 std::list<RteDeviceProperty*> RteDeviceItem::GetAllEffectiveProperties(const std::string& tag)
 {
-  // Make a copy, simpler to merge with potential processor specific memories
-  list<RteDeviceProperty*> properties = GetEffectiveProperties(tag, RteUtils::EMPTY_STRING);
+  // Collect a list of unique properties (by pointer) across all processors for the given tag, without merging/normalizing them
+  list<RteDeviceProperty*> properties;
   // Iterate over processors
-  for(auto [pname, _] : GetProcessors()) {
-    // Collect processor - unique memories
+  for (const auto& [pname, _] : GetProcessors()) {
+    // Collect processor-specific properties for this tag
     const list<RteDeviceProperty*>& procProps = GetEffectiveProperties(tag, pname);
     for(auto p : procProps) {
       if(std::find(properties.begin(), properties.end(), p) == properties.end()) {
@@ -1226,7 +1215,7 @@ string RteDeviceItemAggregate::GetSummaryString() const
   // Memory (RAM/ROM)
   unsigned long long ramSize = 0, romSize = 0;
   // Get all memory properties
-  list<RteDeviceProperty*> mems = item->GetAllEffectiveProperties("memory");
+  const list<RteDeviceProperty*>& mems = item->GetAllEffectiveProperties("memory");
   for (auto memsIt = mems.begin(); memsIt != mems.end(); ++memsIt) {
     RteDeviceMemory* mem = dynamic_cast<RteDeviceMemory*>(*memsIt);
     if (!mem) {

libs/rtemodel/src/RteTarget.cpp

@@ -211,7 +211,7 @@ void RteTarget::SetBoard(RteBoard* board) {
   if (project)
     project->SetBoardInfo(GetName(), board);
 
-  AddBoadProperties(GetDevice(), GetProcessorName());
+  AddBoardProperties(GetDevice(), GetProcessorName());
 }
 
 
@@ -622,7 +622,7 @@ void RteTarget::ProcessAttributes() // called from SetAttributes(), AddAttribute
   AddDeviceProperties(m_device, GetProcessorName());
 };
 
-void RteTarget::AddBoadProperties(RteDeviceItem* device, const string& processorName) {
+void RteTarget::AddBoardProperties(RteDeviceItem* device, const string& processorName) {
 
   // remove all board algos if any: target can only refer to a single board
   for (auto it = m_algos.begin(); it != m_algos.end();) {
@@ -658,14 +658,14 @@ void RteTarget::AddDeviceProperties(RteDeviceItem* d, const string& processorNam
     return;
   }
 
-  AddBoadProperties(d, processorName);
+  AddBoardProperties(d, processorName);
 
   string packagePath = RteUtils::ExtractFilePath(package->GetPackageFileName(), true);
   // get properties for given processor:
   const RteDevicePropertyMap& propMap = d->GetEffectiveProperties(processorName);
 
   for (auto itpm = propMap.begin(); itpm != propMap.end(); ++itpm) {
-    const string& propType = itpm->first; // processor, feature, mamory, etc.
+    const string& propType = itpm->first; // processor, feature, memory, etc.
     const list<RteDeviceProperty*>& props = itpm->second;
     for (auto itp = props.begin(); itp != props.end(); ++itp) {
       RteDeviceProperty *p = *itp;

libs/rtemodel/test/src/RteModelTest.cpp

@@ -179,6 +179,29 @@ TEST(RteModelTest, LoadPacks) {
   // test recommended memory attributes: name and access
   summary = da->GetSummaryString();
   EXPECT_EQ(summary, "ARM Cortex-M4, 10 MHz, 128 KiB RAM, 256 KiB ROM");
+  auto di = da->GetDeviceItem();
+  EXPECT_EQ(di->GetProcessorCount(), 1);
+  EXPECT_TRUE(di->GetEffectiveProperties("foo").empty());
+  const auto& m4Properties = di->GetEffectiveProperties("");
+  EXPECT_FALSE(m4Properties.empty());
+
+  da = rteModel->GetDeviceAggregate("RteTest_ARMCM0_Dual", "ARM:82");
+  ASSERT_NE(da, nullptr);
+  // test recommended memory attributes: name and access
+  summary = da->GetSummaryString();
+  EXPECT_EQ(summary, "ARM Cortex-M0, 10 MHz, ARM Cortex-M0, 10 MHz, 256 KiB RAM, 768 KiB ROM");
+  di = da->GetDeviceItem();
+  ASSERT_NE(di, nullptr);
+  EXPECT_EQ(di->GetProcessorCount(), 2);
+  const auto& commonProperties = di->GetEffectiveProperties("");
+  const auto& core0Properties = di->GetEffectiveProperties("cm0_core0");
+  const auto& core1Properties = di->GetEffectiveProperties("cm0_core1");
+
+  EXPECT_TRUE(RteModelTestConfig::IsSubset(commonProperties, core0Properties));
+  EXPECT_TRUE(RteModelTestConfig::IsSubset(commonProperties, core1Properties));
+  EXPECT_FALSE(RteModelTestConfig::IsSubset(core0Properties, commonProperties));
+  EXPECT_FALSE(RteModelTestConfig::IsSubset(core1Properties, commonProperties));
+  EXPECT_FALSE(RteModelTestConfig::IsSubset(core0Properties, core1Properties));
 
   RteBoard* board = rteModel->FindBoard("RteTest board listing (Rev.C)");
   ASSERT_NE(board, nullptr);

libs/rtemodel/test/src/RteModelTestConfig.cpp

@@ -9,6 +9,7 @@
 
 #include <iostream>
 #include <fstream>
+#include <unordered_set>
 
 using namespace std;
 
@@ -60,6 +61,28 @@ void RteModelTestConfig::TearDown()
   RteFsUtils::DeleteTree(localPacks);
 }
 
+
+
+bool RteModelTestConfig::IsSubset( const RteDevicePropertyMap& subset, const RteDevicePropertyMap& superset)
+{
+  for(const auto& [key, subsetList] : subset) {
+    auto it = superset.find(key);
+    if(it == superset.end()) {
+      return false;
+    }
+    std::unordered_set<RteDeviceProperty*> supersetListAsSet(it->second.begin(), it->second.end());
+
+    for(auto* ptr : subsetList) {
+      if(supersetListAsSet.find(ptr) == supersetListAsSet.end()) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+
+
 void RteModelTestConfig::compareFile(const string& newFile, const string& refFile,
   const std::unordered_map<string, string>& expectedChangedFlags, const string& toolchain) const {
   ifstream streamNewFile, streamRefFile;

libs/rtemodel/test/src/RteModelTestConfig.h

@@ -18,6 +18,8 @@
 #include <string>
 #include <unordered_map>
 
+#include "RteDevice.h"
+
 class RteModelTestConfig : public ::testing::Test
 {
 public:
@@ -26,6 +28,8 @@ class RteModelTestConfig : public ::testing::Test
   void compareFile(const std::string& newFile, const std::string& refFile,
     const std::unordered_map<std::string, std::string>& expectedChangedFlags, const std::string& toolchain) const;
 
+  static bool IsSubset(const RteDevicePropertyMap& subset, const RteDevicePropertyMap& superset);
+
 protected:
   void SetUp() override;
   void TearDown() override;