Shell script that consumes CPU resources

Shell scripts that consume CPU resources in an endless loop. if the server has multiple CPUs, you can select the number of CPU resources to consume :#! /Bin/sh # filenamekillcpu. shif [$ #! 1]; thenecho & quot; USAGE: $0 & lt; CPUs & gt; & quot; exit1... shell scripts that consume CPU resources in an endless loop. if the server has multiple CPUs, you can select the number of CPU resources to consume :#! /Bin/sh # filename killcpu. shif [$ #! = 1]; then echo "USAGE: $0 "Exit 1; when or I in 'seq $1 'do echo-ne" I = 0; while truedoi = I + 1; done "|/bin/sh & pid_array [$ I] = $!; Done for I in "$ {pid_array [@]}"; do echo 'Kill '$ I'; '; the usage of done is very simple, parameter 3 indicates that three CPU resources are consumed. after running, there will be a bunch of kill commands to facilitate the kill process: [root @ test02 ~] #./Killcpu. sh 3 kill 30104; kill 30106; kill 30108; [root @ test02 ~] # Top-15:27:31 up 264 days, 4 users, load average: 0.86, 0.25, 0.19 Tasks: 185 total, 5 running, 180 sleeping, 0 stopped, 0 zombieCpu0: 100.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% siCpu1: 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi, 0.0% siCpu2: 100.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% siCpu3: 100.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% siMem: 8165004 k total, 8095880 k used, 69124 k free, 53672 k buffersSwap: 2031608 k total, 103548 k used, 1928060 k free, 6801364 k cached