#!/bin/sh

(while sleep 1 && sysctl -n kern.cp_times; do :; done) | awk '
      BEGIN {n = 0;
             C = 256;
             cpu0used = cpu0total = cpu1used = cpu1total = cpu2used = cpu2total = cpu3used = cpu3total = 0;
             cpu4used = cpu4total = cpu5used = cpu5total = cpu6used = cpu6total = cpu7used = cpu7total = 0;};
      {
        cpu0used_new = $1+$2+$3+$4    ; cpu0total_new = $1+$2+$3+$4+$5;
        cpu1used_new = $6+$7+$8+$9    ; cpu1total_new = $6+$7+$8+$9+$10;
        cpu2used_new = $11+$12+$13+$14; cpu2total_new = $11+$12+$13+$14+$15;
        cpu3used_new = $16+$17+$18+$19; cpu3total_new = $16+$17+$18+$19+$20;
        cpu4used_new = $21+$22+$23+$24; cpu4total_new = $21+$22+$23+$24+$25;
        cpu5used_new = $26+$27+$28+$29; cpu5total_new = $26+$27+$28+$29+$30;
        cpu6used_new = $31+$32+$33+$34; cpu6total_new = $31+$32+$33+$34+$35;
        cpu7used_new = $36+$37+$38+$39; cpu7total_new = $36+$37+$38+$39+$40;

        if (cpu0total_new != cpu0total) {cpu0load = C*(cpu0used_new-cpu0used)/(cpu0total_new-cpu0total)} else {cpu0load = 0}
        if (cpu1total_new != cpu1total) {cpu1load = C*(cpu1used_new-cpu1used)/(cpu1total_new-cpu1total)} else {cpu1load = 0}
        if (cpu2total_new != cpu2total) {cpu2load = C*(cpu2used_new-cpu2used)/(cpu2total_new-cpu2total)} else {cpu2load = 0}
        if (cpu3total_new != cpu3total) {cpu3load = C*(cpu3used_new-cpu3used)/(cpu3total_new-cpu3total)} else {cpu3load = 0}
        if (cpu4total_new != cpu4total) {cpu4load = C*(cpu4used_new-cpu4used)/(cpu4total_new-cpu4total)} else {cpu4load = 0}
        if (cpu5total_new != cpu5total) {cpu5load = C*(cpu5used_new-cpu5used)/(cpu5total_new-cpu5total)} else {cpu5load = 0}
        if (cpu6total_new != cpu6total) {cpu6load = C*(cpu6used_new-cpu6used)/(cpu6total_new-cpu6total)} else {cpu6load = 0}
        if (cpu7total_new != cpu7total) {cpu7load = C*(cpu7used_new-cpu7used)/(cpu7total_new-cpu7total)} else {cpu7load = 0}

        if (n > 0)
          printf("%3.02f\t%03.02f\t%.02f\t%.02f\t%.02f\t%.02f\t%.02f\t%.02f\n",
                 cpu0load, cpu1load, cpu2load, cpu3load, cpu4load, cpu5load, cpu6load, cpu7load);

        cpu0used = cpu0used_new; cpu0total = cpu0total_new;
        cpu1used = cpu1used_new; cpu1total = cpu1total_new;
        cpu2used = cpu2used_new; cpu2total = cpu2total_new;
        cpu3used = cpu3used_new; cpu3total = cpu3total_new;
        cpu4used = cpu4used_new; cpu4total = cpu4total_new;
        cpu5used = cpu5used_new; cpu5total = cpu5total_new;
        cpu6used = cpu6used_new; cpu6total = cpu6total_new;
        cpu7used = cpu7used_new; cpu7total = cpu7total_new;
        n++;
      }'