[llvm] [llvm-exegesis] Add thread IDs to subprocess memory names (PR #84451)

[Clement Courbet via llvm-commits]

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@@ -97,7 +109,8 @@ Expected<int> SubprocessMemory::setupAuxiliaryMemoryInSubprocess(
     return make_error<Failure>("Mapping auxiliary memory failed");
   AuxiliaryMemoryMapping[0] = CounterFileDescriptor;
   for (auto &[Name, MemVal] : MemoryDefinitions) {
-    std::string MemoryValueName = "/" + std::to_string(ParentPID) + "memdef" +
+    std::string MemoryValueName = "/" + std::to_string(ParentPID) + "t" +
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legrosbuffle wrote:

This one too ?

https://github.com/llvm/llvm-project/pull/84451