You mean to say, you cant build this yourself?
https://googleprojectzero.blogspot.com/2021/12/a-deep-dive-i...
Have you even tried this on other platforms and other devices?
the x86 instructions can be found here https://en.wikipedia.org/wiki/X86_instruction_listings
Intel provide an instruction trace facility https://blog.cubieserver.de/publications/Henschel_Intel-PT_2...
You've got this one from Intel https://www.intel.com/content/dam/www/public/us/en/documents...
Other methods described here using JTAG with chips https://microchipdeveloper.com/emhead:eep-rt-hw-instruction-...
How do you think this was found? https://en.wikipedia.org/wiki/Pentium_F00F_bug