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

[Clement Courbet via llvm-commits]

================
@@ -49,7 +50,9 @@ class SubprocessMemoryTest : public X86TestBase {
 
   std::string getSharedMemoryName(const unsigned TestNumber,
                                   const unsigned DefinitionNumber) {
-    return "/" + std::to_string(getSharedMemoryNumber(TestNumber)) + "memdef" +
+    long CurrentTID = syscall(SYS_gettid);
+    return "/" + std::to_string(getSharedMemoryNumber(TestNumber)) + "t" +
----------------
legrosbuffle wrote:

ditto

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