A new patch posted to the Linux kernel mailing list aims to address the high wake-up latency experienced on modern Intel Xeon server platforms. With Sapphire Rapids and newer, "excessive" wakeup latencies with the Linux menu governor and NOHZ_FULL configuration can negatively impair Xeon CPUs for latency-sensitive workloads but a 16 line patch aims to better improve the situation. That is, changing one line of actual code and the rest being code comments...
Source: https://www.phoronix.com/news/5x-Wakeup-Latency-Reduce-Xeon
Aggregated via Linux News
Source: https://www.phoronix.com/news/5x-Wakeup-Latency-Reduce-Xeon
Aggregated via Linux News
