On 2025-09-05, Marc Gonzalez <marc.w.gonzalez@xxxxxxx> wrote: > (I used CLOCK_MONOTONIC_RAW.) Not really relevant to your issue, but you should always use CLOCK_MONOTONIC. > It looks like there is some kind of 50 millisecond quantum > involved somewhere somehow. Did you forget to disable RT throttling? $ sudo sysctl -w kernel.sched_rt_runtime_us=-1 If you check the kernel logs, you would see a message about throttling: "sched: RT throttling activated" John Ogness
