How To: Check Top Output for Interrupts Analysis
Run the top command and look for 'ksoftirqd/0 , ksoftirqd/1 ... etc' which represents various cores as shown
- High CPU consumption by 'ksoftirqd/0' could mean that core 0 is unable to handle interrupts efficiently.
- This factor in conjunction with 'softnet_stat' results should lead to the conclusion of whether or not IRQ rebalance is required.
Note : How to run 'Softnet_Stat' tool
: How to distribute IRQ Affinity
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