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[HINT] qosmgr (binary)

6 posts in this topic

Posted (edited)

System file: /system/bin/qosmgr

 

Configuration file for 'quosmgr': /system/etc/qosmgr_rules.xml

 

What is good for?: Well ... it's a Linux daemon to manage CPU governors. That simple. Waste of CPU cycles and RAM.

 

Safe to disable?: YES (rename: /system/bin/qosmgr -> /system/bin/qosmgr.bak)

 

 

EDIT: alternatively you can adjust the pre-defined parameters of course :)

Edited by moddingg33k
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Posted (edited)

Thanks for the hint !!

I will try it

 

EDIT : How ??

EDIT : <string>on</string> to <string>off</string> ??

Edited by luca020400
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Posted (edited)

Just rename it to .bak...

QoS can be very beneficial if working correctly by making rq distribution. Performance benefits are up to 20%, average 10%. Usually used for network traffic regulation bat it can be used for any kind of request management...

Edited by ZolaIII
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Posted

"QoS" is often used as an collective term for the interaction between two or more "objects".

 

If I didn't get something wrong, the name for the binary blob isn't chosen falsely, but it's at least "misleading", because the "quosmgr" only manages governor parameters in dependency of the screen state.

 

It does neither improve run_queues, nor any kind of network related stuff.

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Posted

service qosmgrd /system/bin/qosmgr /system/etc/qosmgr_rules.xml
    user system
    group system
    disabled

In that way is already disabled (by default) right?

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Posted

It gets started by

 

init.qcom.post_boot.sh

 

# Enable Power modes and set the CPU Freq Sampling rates
case "$target" in
     "msm7627a")
        start qosmgrd
...
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