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Windows timer resolution tool in form of system service

Discussion in 'Operating Systems' started by mbk1969, Mar 23, 2013.

  1. Watcher

    Watcher Ancient Guru

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    CPU-Z has a new tool named: " Timers " You will find this tool in the " Tools " drop down box located at the bottom middle of the program window.

    This Tool displays the clocks, their values and allows you to run a test upon them.

    This tool was introduced in V1.84 and is available in any newer version of the software.

    Start the tool and let it run. When you stop the test all your timer values should match.
    If they do not match, that is when the troubleshooting begins.

    https://www.cpuid.com/softwares/cpu-z.html#version-history
    https://www.cpuid.com/softwares/cpu-z.html
     
    SputNick and oldgregg like this.
  2. PIRATA!

    PIRATA! Active Member

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    This is very interesting.
    All my timings match....but what does this mean??

    Any help and explanation would be appreciated.
    Thanks.
     
  3. mbk1969

    mbk1969 Ancient Guru

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  4. EdKiefer

    EdKiefer Ancient Guru

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    I tried CPU-Z timer tool and not really sure I understand, when I open it I get at top


    ACPI timer 3.580 MHz
    Perf timer(QPC) 10.000 MHz
    Sys timer(RTC) 1.000 KHz
    running test just shows the time increase and the same values above.

    PS: "save report" has a lot of info in it.
     

  5. Watcher

    Watcher Ancient Guru

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    Think of these timers as the beat in a song. The beat keeps all the other instruments in time with each other.
    The clocks above have to work together in the same way to keep the software and hardware in sync to move the data around inside the motherboard and the exterior components connected to it.

    Have the test running in the back ground while you put your computer through it paces. After you are done using your computer (such as playing a game) stop the test. All the test values shown below each clock frequency should be the same value.

    If they are not then some troubleshooting may be required. It may be a particular piece of software, It may be that your overclock on your PC is to severe. It might be an issue with your motherboard or insufficient power from the power supply. it could even be a bad clock module.

    This is a test to see if anything might be happening in the background that may be affecting your computer performance.
     
  6. EdKiefer

    EdKiefer Ancient Guru

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    Ok, Thanks for the explanation.
     
  7. mbk1969

    mbk1969 Ancient Guru

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    I just noticed in powercgf.exe energy report - Origin requests 1ms timer resolution:

    Platform Timer Resolution:Outstanding Timer Request
    A program or service has requested a timer resolution smaller than the platform maximum timer resolution.
    Requested Period 10000
    Requesting Process ID 9180
    Requesting Process Path \Device\HarddiskVolume8\Program Files (x86)\Origin\Origin.exe

    I will check the Steam and UPlay...

    Update:
    UPlay does it too:

    Platform Timer Resolution:Outstanding Timer Request
    A program or service has requested a timer resolution smaller than the platform maximum timer resolution.
    Requested Period 10000
    Requesting Process ID 8248
    Requesting Process Path \Device\HarddiskVolume8\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\UplayWebCore.exe

    Platform Timer Resolution:Outstanding Timer Request
    A program or service has requested a timer resolution smaller than the platform maximum timer resolution.
    Requested Period 10000
    Requesting Process ID 3116
    Requesting Process Path \Device\HarddiskVolume8\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\upc.exe

    Update:
    Steam does it too:

    Platform Timer Resolution:Outstanding Timer Request
    A program or service has requested a timer resolution smaller than the platform maximum timer resolution.
    Requested Period 10000
    Requesting Process ID 2252
    Requesting Process Path \Device\HarddiskVolume8\Program Files (x86)\Steam\bin\cef\cef.win7x64\steamwebhelper.exe
     
    Last edited: Sep 7, 2019
    Xtreme512 and akbaar like this.
  8. Wagnard

    Wagnard Ancient Guru

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    Usually the lowest timer requested is applied. If you apply 5ms with ISLC and run steam, the timer will be at 1ms because steam requested a lower timer.
    I recommend to not play with this setting as most app/games are dealing correctly with this and is not really necessary anymore.
     
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  9. mbk1969

    mbk1969 Ancient Guru

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    I saw people using your ISLC to experiment with different timer resolutions and stating that it is not necessary to crank the resolution to the maximum ("0.5"), that "2.0" or even "4.0" ms is enough. And then they launch game from Steam, UPlay or Origin being unaware that their selected sensible resolution was overwritten to "1.0".
     
    Last edited: Sep 8, 2019

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