Set unmatched CPU affinity with the help of the ChatGPT

fix_unmatched_cpu_affinity.sh

#!/bin/bash

# Use a while loop to read each line of output from ps
while read -r line; do
  if [[ $line == *-cpu* ]]; then
    #echo "$line"
    pid=$(echo $line | awk '{print $1}')
    no=$(echo $line | awk '{print $2}')
    cmd=$(echo $line | awk '{$1=$2=""; print $0}')
    cpu=$(echo $cmd | grep -oE '\-cpu [0-9]+' | awk '{print $2}')
    if [[ "$no" != "$cpu" ]]; then
      echo "PID: $pid, REALCPU: $no, CPUID: $cpu"
      taskset -cp $cpu $pid
    fi
  fi
done < <(ps -ax -o pid,psr,cmd)

top_by_cpuid.sh

#!/bin/bash
pgrep -d',' -P $1 | tr ',' '\n' | paste -sd',,,,,,,,,,,,,,,,,,,\n' - | xargs -I{} top -bn1 -p {}

ps_by_cpuid.sh

#!/bin/bash
CPUID=$1
ps -eo pid,psr,pcpu,command | awk 'NR>1' | awk -v cpuid="$CPUID" '$2 == cpuid' | sort -k3,3n

mpstat -P ALL