Messages in this thread | | | Date | Fri, 8 Mar 2024 11:22:44 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH] net :mana : Add per-cpu stats for MANA device |
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On Fri, 8 Mar 2024 18:51:58 +0000 Haiyang Zhang wrote: > > Dynamic is a bit of an exaggeration, right? On a well-configured system > > each CPU should use a single queue assigned thru XPS. And for manual > > debug bpftrace should serve the purpose quite well. > > Some programs, like irqbalancer can dynamically change the CPU affinity, > so we want to add the per-CPU counters for better understanding of the CPU > usage.
Do you have experimental data showing this making a difference in production?
Seems unlikely, but if it does work we should enable it for all devices, no driver by driver.
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