Stress

stress generates CPU load on systems.

• macOS: brew install stress

• stress --cpu 20
• stress --help

stress --cpu 192

sar -w
04:22:01 PM    proc/s   cswch/s
04:23:01 PM      4.24   1762.35
04:24:02 PM      0.96   4365.97

Examples

Stress using 1 cpu:

• stress --cpu 1

Stress using IO-bound task

• stress -i 3

Related commands

• cgexec
• xz
• stress-ng
• cpuburn
• ab

See also

• Load testing, K6
• nice, stress, stress-ng, tload, ionice, %nice, %idle
• top, ntop, htop, atop, iotop, systemd-cgtop, virt-top, stress, slabtop, docker stats, docker top, docker container top, docker-compose top, nmon, tload, kubectl top pod PODNAME, sar, kubectl top, glances, vmstat, gpustat, asitop
• Memory: memory pages, RAM, virsh Memory Commands, OOM, meminfo, vmstat, NAND, DDR, lsmem, /dev/shm, /proc/meminfo, sar -r, IOMMU, pmem, Memory management, Garbage collector, THP, Linux Huge Page TLB