Back to the article

Load average: how many tasks wait for the CPU and the disk

cheat sheet · Ubuntu 24.04 · Linux 6.8 · procps 4.0 https://lab.dimsanych.ru/en/wiki/load-average/

Cheat sheet

uptime load over 1, 5 and 15 minutes
nproc CPU count to compare with
cat /proc/loadavg same numbers + tasks in R / total
top load and the %Cpu(s) line
vmstat 1 5 r — wait for CPU, b — wait for disk
ps -eo stat,pid,pcpu,comm --sort=-pcpu | head CPU eaters
ps -eo stat,pid,wchan:30,cmd | awk '$1 ~ /^D/' who is in D
cat /proc/pressure/cpu share of time waiting for CPU