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

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

Thanks for bringing the issue to my attention and reverting in the meantime. I've relanded it in 8003f553a01a9a2a7eb09fe07e88f1ba9ee7d3a7 with a fix.

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