ram: disable accessed memory statistics when not fuzzing (#149)

OpenXiangShan · Sep 12, 2023 · 0121689 · 0121689
1 parent 44cbcb7
commit 0121689
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/src/test/csrc/common/ram.cpp b/src/test/csrc/common/ram.cpp
@@ -226,6 +226,7 @@ InputReader *SimMemory::createInputReader(const char *image) {
 }
 
 void SimMemory::display_stats() {
+#ifdef FUZZING
   uint64_t req_in_range = 0;
   auto const img_indices = get_img_size() / sizeof(uint64_t);
   for (auto index : accessed_indices) {
@@ -235,6 +236,7 @@ void SimMemory::display_stats() {
   }
   auto req_all = accessed_indices.size();
   printf("SimMemory: img_size %lu, req_all %lu, req_in_range %lu\n", img_indices, req_all, req_in_range);
+#endif // FUZZING
 }
 
 MmapMemory::MmapMemory(const char *image, uint64_t n_bytes) : SimMemory(n_bytes) {

diff --git a/src/test/csrc/common/ram.h b/src/test/csrc/common/ram.h
@@ -85,11 +85,15 @@ class SimMemory {
 
 protected:
   uint64_t memory_size; // in bytes
+#ifdef FUZZING
   std::set<uint64_t> accessed_indices;
+#endif
   InputReader *createInputReader(const char *image);
   virtual uint64_t get_img_size() = 0;
   void inline on_access(uint64_t index) {
+#ifdef FUZZING
     accessed_indices.insert(index);
+#endif
   }
 
 public:

diff --git a/src/test/csrc/verilator/emu.cpp b/src/test/csrc/verilator/emu.cpp
@@ -480,9 +480,7 @@ Emulator::~Emulator() {
   stats.update(&(difftest[0]->dut));
 #endif // CONFIG_NO_DIFFTEST
 
-#ifdef FUZZING
   simMemory->display_stats();
-#endif
   delete simMemory;
   simMemory = nullptr;