8e核心线程.sh

溆旧 · 发表于 2025-3-23 17:18:03

# 启动和停止服务
setprop persist.sys.oiface.enable 0
start oiface
start gameopt_hal_service-1-0
start vendor.urcc-hal-aidl

# 设置 CPU 频率
xs() { chmod 666 $2; echo $1 > $2; chmod 444 $2; echo $2 $1; }
xs 2800000 /sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq
xs 2800000 /sys/devices/system/cpu/cpu7/cpufreq/scaling_min_freq
for file in /sys/devices/system/cpu/cpu*/core_ctl/enable; do
xs 0 $file
done

#!/bin/bash

#HIGH_CORES=()可配置，括号里填核心编号
# 高优先级核心编号
HIGH_CORES=(6 7)
HIGH_MASK=0
# 计算 HIGH_MASK
for CORE in "${HIGH_CORES[@]}"; do
HIGH_MASK=$((HIGH_MASK | (1 << CORE)))
done
# 转换为十六进制格式
HIGH_MASK_CPU=$(printf "%x" "$HIGH_MASK")

#ALL_CORES=()可配置，括号里填核心编号
ALL_CORES=(0 1 2 3 4 5 6 7)  # 全部核心编号
ALL_MASK=0
# 计算 ALL_MASK
for CORE in "${ALL_CORES[@]}"; do
ALL_MASK=$((ALL_MASK | (1 << CORE)))
done
# 转换为十六进制格式
ALL_MASK_CPU=$(printf "%x" "$ALL_MASK")

# 已处理的PID集合
PROCESSED_PIDS=()

# 主循环，持续监控进程
while true; do
# 获取当前前台应用的 PID
CURRENT_PID=$(ps -eo res,pid,cmdline --sort=+res | tail -n 1 | awk '{print $2}')
CMDLINE=$(ps -eo res,pid,cmdline --sort=+res | tail -n 1 | awk '{print $3}')

# 如果没有获取到PID，跳过本次循环
if [ -z "$CURRENT_PID" ]; then
      sleep 0.2
      continue
fi

# 跳过 system_server 的进程
if [[ "$CMDLINE" == *"system_server"* ]]; then
      echo "跳过 system_server 进程：PID=$CURRENT_PID"
      sleep 1
      continue
fi

# 如果已经处理过该PID，跳过本次循环
if [[ " ${PROCESSED_PIDS[@]} " =~ " ${CURRENT_PID} " ]]; then
      echo "跳过已处理的PID：$CURRENT_PID"
      sleep 0.2
      continue
fi

# 如果未记录，查找并记录 CPU 占用最高的线程的 tid
cpu_usage=$(ps -T -p $CURRENT_PID -o pid,tid,%cpu | awk 'NR > 1')
FIRST_TID=$(echo "$cpu_usage" | sort -k3nr | awk 'NR==1 {print $2}')
echo "处理新的 PID：$CURRENT_PID，线程 ID：$FIRST_TID"

# 为记录的线程分配 CPU 核心
taskset -p $HIGH_MASK_CPU $FIRST_TID
# 设置该线程的实时调度优先级
chrt -f -p $FIRST_TID 85
echo "$FIRST_TID taskset $HIGH_MASK_CPU $FIRST_TID chrt"

sleep 1

# 为其余线程分配 CPU 核心 0-7
for TID in $(ps -T -p $CURRENT_PID -o tid=); do
      if [ "$TID" != "$FIRST_TID" ]; then
         taskset -p $ALL_MASK_CPU $TID
         echo "$TID taskset $ALL_MASK_CPU"
      fi
done

# 将当前PID加入已处理的PID集合
PROCESSED_PIDS+=("$CURRENT_PID")

sleep 0.2
done