Tag
monotonic-clock
- Nov 12, 2024 Clock Sources and the Resolution Floor of a Timing Call How monotonic clocks, TSC reads, and syscall-based time differ in cost and granularity, why a measured interval is a difference of two uncertain readings, and how the floor limits what a benchmark can resolve. performance engineering
- Jul 21, 2022 Clock Skew Injection and the Failures That Depend on Wall Time The difference between clock offset, skew, and drift, the two ways to inject a time fault without breaking the host, and which classes of software fail when wall time jumps. devops