OS Linux[centos,RHEL]/Trouble shooting

kernel perf: interrupt took too long (6650 > 6452), lowering kernel.perf_event_max_sample_rate to 30000

infra 2022. 6. 11. 12:20

https://discuss.aerospike.com/t/what-does-interrupt-took-too-long-mean/5818

 

What does interrupt took too long mean

What does interrupt took too long mean Background The linux kernel gathers samples using ‘perf’ performance monitor without affecting the latencies. These include getting interrupt times. If interrupts take too long, a similar message to this prints: k

discuss.aerospike.com

https://ubuntuforums.org/showthread.php?t=2360757 

 

[ubuntu] Perf: interrupt took too long

 

ubuntuforums.org

 

 

 

kernel / interrupt took too long (6650 > 6452), lowering kernel.perf_event_max_sample_rate to 30000

 

https://access.redhat.com/solutions/1169163