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Perf Support For 2,048 CPU Cores Is Becoming Not Enough - Patches Bump Kernel Limit

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Original URL: https://www.phoronix.com/news/Perf-Support-2048-To-4096-Cores

Currently the Linux kernel's "perf" performance monitoring subsystem has a limit on 2,048 CPU cores for its CPU map that is set by the MAX_NR_CPUS value. But that's becoming not enough in today's high core count era that patches are looking to raise it to a 4,096 CPU core limit by default...

Posted on:2024-12-10 15:41:29

Still in Beta stage. Source on GitHub.