On Wed, 13 Mar 2024 19:57:20 -0700 Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx> wrote: > Following is the data we can share: > > Default interrupts affinity for each queue: > > 25: 1 103 0 2989138 Hyper-V PCIe MSI 4138200989697-edge mana_q0@pci:7870:00:00.0 > 26: 0 1 4005360 0 Hyper-V PCIe MSI 4138200989698-edge mana_q1@pci:7870:00:00.0 > 27: 0 0 1 2997584 Hyper-V PCIe MSI 4138200989699-edge mana_q2@pci:7870:00:00.0 > 28: 3565461 0 0 1 Hyper-V PCIe MSI 4138200989700-edge mana_q3 > @pci:7870:00:00.0 > > As seen the CPU-queue mapping is not 1:1, Queue 0 and Queue 2 are both mapped > to cpu3. From this knowledge we can figure out the total RX stats processed by > each CPU by adding the values of mana_q0 and mana_q2 stats for cpu3. But if > this data changes dynamically using irqbalance or smp_affinity file edits, the > above assumption fails. irqbalance is often a bad idea. In the past, doing one shot balancing at startup was a better plan.
