On 06/05/2024 18.22, Shakeel Butt wrote: > Anyways did the mutex change helped your production workload regarding > latencies? Yes, see attached NET_RX softirq latency improvement with mutex patch[1]. Showing two grafana heatmaps over softirq wait (no-able-to run) time. It is very clear that most of the latency spikes are gone with mutex patch applied. --Jesper [1] https://lore.kernel.org/all/171328989335.3930751.3091577850420501533.stgit@firesoul/