1 # check for common /proc/net/softnet_stat errors
3 alarm: 1hour_netdev_backlog_exceeded
4 on: system.softnet_stat
5 lookup: sum -1h unaligned absolute of dropped
9 delay: down 30m multiplier 1.5 max 1h
10 info: number of packets dropped because sysctl net.core.netdev_max_backlog was exceeded
13 alarm: 1hour_netdev_budget_ran_outs
14 on: system.softnet_stat
15 lookup: sum -1h unaligned absolute of squeezed
19 delay: down 30m multiplier 1.5 max 1h
20 info: number of times ksoftirq ran out of sysctl net.core.netdev_budget or time slice, with work remaining
23 alarm: 1hour_cpu_lock_collisions
24 on: system.softnet_stat
25 lookup: sum -1h unaligned absolute of collisions
29 delay: down 30m multiplier 1.5 max 1h
30 info: number of times two cpus collided trying to get a network device queue lock