蜗牛b双cpu调度按需降频通用x86黑白群晖

首先确定系统的版本和CPU类型，下面的安装脚本适用于x86平台64位系统，我是蜗牛星际B双的矿渣J1900，其他平台不确定。

到群晖的管理后台，打开控制面板，在“终端机和SNMP”中，开启SSH功能，端口号默认为22，为了安全起见，建议修改成其他端口号。

使用PUTTY，或者其他SSH工具，或windows的linux子系统使用命令。登录后安装ipkg包管理，加粗的是命令。

admin@DiskStation:~$ sudo su

Password:

ash-4.3# wget http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/syno-i686-bootstrap_1.2-7_i686.xsh

--2020-05-22 07:59:03-- http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/syno-i686-bootstrap_1.2-7_i686.xsh

Resolving ipkg.nslu2-linux.org... 23.141.224.193, 2620:139:a000::c1

Connecting to ipkg.nslu2-linux.org|23.141.224.193|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 249507 (244K) [text/plain]

Saving to: 'syno-i686-bootstrap_1.2-7_i686.xsh'

100%[======================================>] 249,507 263KB/s in 0.9s

2020-05-22 07:59:05 (263 KB/s) - 'syno-i686-bootstrap_1.2-7_i686.xsh' saved [249507/249507]

ash-4.3# chmod +x syno-i686-bootstrap_1.2-7_i686.xsh

ash-4.3# sh syno-i686-bootstrap_1.2-7_i686.xsh

Optware Bootstrap for syno-i686.

Extracting archive... please wait

bootstrap/

bootstrap/bootstrap.sh

bootstrap/ipkg-opt.ipk

1216+1 records in

1216+1 records out

249302 bytes (249 kB) copied, 0.0066538 s, 37.5 MB/s

bootstrap/ipkg.sh

bootstrap/optware-bootstrap.ipk

bootstrap/wget.ipk

Creating temporary ipkg repository...

Installing optware-bootstrap package...

Unpacking optware-bootstrap.ipk...Done.

Configuring optware-bootstrap.ipk...Modifying /etc/rc.local

Done.

Installing ipkg...

Unpacking ipkg-opt.ipk...Done.

Configuring ipkg-opt.ipk...Done.

Removing temporary ipkg repository...

Installing wget...

Installing wget (1.12-2) to root...

Configuring wget

Successfully terminated.

Creating /opt/etc/ipkg/cross-feed.conf...

Setup complete.

之后安装cpufrequtils工具包

root@DiskStation:/volume1/homes/admin# ipkg update

Downloading http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/Packages.gz

Inflating http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/Packages.gz

Updated list of available packages in /opt/lib/ipkg/lists/cross

Successfully terminated.

root@DiskStation:/volume1/homes/admin# ipkg install cpufrequtils

Installing cpufrequtils (006-2) to root...

Downloading http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/cpufrequtils_006-2_i686.ipk

Configuring cpufrequtils

Successfully terminated.

然后，查看现有cpu调度策略，果然是performance。但是明明很空闲，cpu占用率不到10%，docker，qb没啥事干的哦

root@DiskStation:/volume1/homes/admin# cpufreq-info

cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009

Report errors and bugs to cpufreq@vger.kernel.org, please.

analyzing CPU 0:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "performance" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.95%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.00% (1)

analyzing CPU 1:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "performance" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.95%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.00% (1)

analyzing CPU 2:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "performance" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.95%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.00% (1)

analyzing CPU 3:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "performance" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.95%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.00% (1)

改为ondemand，4个core要分别执行。再查看cpu调度策略。

root@DiskStation:/volume1/homes/admin# cpufreq-set -c 0 -g ondemand

root@DiskStation:/volume1/homes/admin# cpufreq-set -c 1 -g ondemand

root@DiskStation:/volume1/homes/admin# cpufreq-set -c 2 -g ondemand

root@DiskStation:/volume1/homes/admin# cpufreq-set -c 3 -g ondemand

root@DiskStation:/volume1/homes/admin# cpufreq-info

cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009

Report errors and bugs to cpufreq@vger.kernel.org, please.

analyzing CPU 0:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.92%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.03% (399)

analyzing CPU 1:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.92%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.03% (399)

analyzing CPU 2:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.92%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.03% (399)

analyzing CPU 3:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:99.92%, 1.99 GHz:0.05%, 1.91 GHz:0.00%, 1.83 GHz:0.00%, 1.74 GHz:0.00%, 1.66 GHz:0.00%, 1.58 GHz:0.00%, 1.49 GHz:0.00%, 1.41 GHz:0.00%, 1.33 GHz:0.03% (399)

后续：

加入开机自动打开方法

在某个目录（我是在home/admin下）创建个cpufreqset.sh如下：

#/bin/bash

export PATH=$PATH:/opt/bin

cpufreq-set -c 0 -g ondemand

cpufreq-set -c 1 -g ondemand

cpufreq-set -c 2 -g ondemand

cpufreq-set -c 3 -g ondemand

之后在控制面板的任务计划中，添加到开机任务中注意要用root执行（我的是最后一行）

重启机器后，最开始1.99G，几分钟就1.33G了，完美！

还可以手工调整频率，但是就此打住吧。

ash-4.3# /opt/bin/cpufreq-info

cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009

Report errors and bugs to cpufreq@vger.kernel.org, please.

analyzing CPU 0:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:47.47%, 1.99 GHz:17.82%, 1.91 GHz:0.69%, 1.83 GHz:0.40%, 1.74 GHz:0.26%, 1.66 GHz:0.27%, 1.58 GHz:1.32%, 1.49 GHz:0.91%, 1.41 GHz:0.23%, 1.33 GHz:30.63% (1100)

analyzing CPU 1:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:47.47%, 1.99 GHz:17.82%, 1.91 GHz:0.69%, 1.83 GHz:0.40%, 1.74 GHz:0.26%, 1.66 GHz:0.27%, 1.58 GHz:1.32%, 1.49 GHz:0.91%, 1.41 GHz:0.23%, 1.33 GHz:30.63% (1100)

analyzing CPU 2:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:47.47%, 1.99 GHz:17.82%, 1.91 GHz:0.69%, 1.83 GHz:0.40%, 1.74 GHz:0.26%, 1.66 GHz:0.27%, 1.58 GHz:1.32%, 1.49 GHz:0.91%, 1.41 GHz:0.23%, 1.33 GHz:30.63% (1100)

analyzing CPU 3:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.99 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:47.47%, 1.99 GHz:17.82%, 1.91 GHz:0.69%, 1.83 GHz:0.40%, 1.74 GHz:0.26%, 1.66 GHz:0.27%, 1.58 GHz:1.32%, 1.49 GHz:0.91%, 1.41 GHz:0.23%, 1.33 GHz:30.63% (1100)

ash-4.3# /opt/bin/cpufreq-info

cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009

Report errors and bugs to cpufreq@vger.kernel.org, please.

analyzing CPU 0:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:46.80%, 1.99 GHz:16.77%, 1.91 GHz:0.75%, 1.83 GHz:0.40%, 1.74 GHz:0.27%, 1.66 GHz:0.29%, 1.58 GHz:1.49%, 1.49 GHz:1.00%, 1.41 GHz:0.27%, 1.33 GHz:31.94% (1252)

analyzing CPU 1:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:46.80%, 1.99 GHz:16.77%, 1.91 GHz:0.75%, 1.83 GHz:0.40%, 1.74 GHz:0.27%, 1.66 GHz:0.29%, 1.58 GHz:1.49%, 1.49 GHz:1.00%, 1.41 GHz:0.27%, 1.33 GHz:31.94% (1252)

analyzing CPU 2:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:46.80%, 1.99 GHz:16.77%, 1.91 GHz:0.75%, 1.83 GHz:0.40%, 1.74 GHz:0.27%, 1.66 GHz:0.29%, 1.58 GHz:1.49%, 1.49 GHz:1.00%, 1.41 GHz:0.27%, 1.33 GHz:31.94% (1252)

analyzing CPU 3:

driver: acpi-cpufreq

CPUs which run at the same hardware frequency: 0 1 2 3

CPUs which need to have their frequency coordinated by software: 0 1 2 3

maximum transition latency: 10.0 us.

hardware limits: 1.33 GHz - 1.99 GHz

available frequency steps: 1.99 GHz, 1.99 GHz, 1.91 GHz, 1.83 GHz, 1.74 GHz, 1.66 GHz, 1.58 GHz, 1.49 GHz, 1.41 GHz, 1.33 GHz

available cpufreq governors: conservative, powersave, performance, ondemand, userspace

current policy: frequency should be within 1.33 GHz and 1.99 GHz.

The governor "ondemand" may decide which speed to use

within this range.

current CPU frequency is 1.33 GHz (asserted by call to hardware).

cpufreq stats: 1.99 GHz:46.80%, 1.99 GHz:16.77%, 1.91 GHz:0.75%, 1.83 GHz:0.40%, 1.74 GHz:0.27%, 1.66 GHz:0.29%, 1.58 GHz:1.49%, 1.49 GHz:1.00%, 1.41 GHz:0.27%, 1.33 GHz:31.94% (1253)