2023.01.05 11:03:15 (Mastodon 109636261988323989, Twitter 1610955206115856384) from Daniel J. Bernstein:
Releasing #libcpucycles library to count CPU cycles: https://cpucycles.cr.yp.to Supports counters for amd64 (both PMC and TSC), arm32, arm64 (both PMC and VCT), mips64, ppc32, ppc64, riscv32, riscv64, sparc64, and x86, plus automatic fallbacks to various OS-level timing mechanisms.