On Mon Feb 10, 2025 at 6:13 PM EET, Jonathan McDowell wrote: > FWIW bpftrace is great for this. I'm using the attached script as a > basis for investigations. Obviously the timings it reports are the whole > command rather than just the wait for status, but over a long period it > can then show you the latency histogram. (Run it in one terminal, do TPM > stuff elsewhere, hit Ctrl-C when you're done and it dumps the > histogram.) > > J.
Yes, I used that to trace and spot issues with HMAC integrity protection in the near past. BR, Jarkko
