Experiencing slight pause every four seconds

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  1. dalchina
    Posts : 42,992
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #31

    Sorry, I don't know. Drivermax identifies the drivers by name, I think.

    Above I suggested simply restoring e.g. groups of drivers - if you end up restoring all the 1709 drivers with no benefit, then we know this is not worth pursuing. At present it's a trial and error game. Try restoring, say, 50% then the other 50%. Make it a quick assessment as to whether restoring them helps at all. Don't try discriminating at this stage.

    The thing I don't know is when Windows might try to replace them. Assuming it doesn't from its own repository, best try this with internet disconnected.
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  3. ChrisWaters
    Posts : 62
    Windows 10
    Thread Starter
       New #32

    Experiencing slight pause every four seconds


    I think Windows hung after I earlier restored all the 1709 drivers. I'll try again. If it still hangs, I suppose it still makes sense to try restoring only some of the drivers, as you suggest.
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  4. groszexxx
    Posts : 29
    w10
       New #33

    Why You didnt show ur report from LatencyMon? For me, it is like conversation with blind man about colours.

    Small example:

    ____________________________________________________________________________________________________ _____
    CONCLUSION
    ____________________________________________________________________________________________________ _____
    Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. At least one detected problem appears to be network related. In case you are using a WLAN adapter, try disabling it to get better results. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
    LatencyMon has been analyzing your system for 3:30:30 (h:mm:ss) on all processors.


    ____________________________________________________________________________________________________ _____
    SYSTEM INFORMATION
    ____________________________________________________________________________________________________ _____
    Computer name: DESKTOP-N23V8IJ
    OS version: Windows 10 , 10.0, build: 17134 (x64)
    Hardware: X541NA, ASUSTeK COMPUTER INC.
    CPU: GenuineIntel Intel(R) Pentium(R) CPU N4200 @ 1.10GHz
    Logical processors: 4
    Processor groups: 1
    RAM: 8055 MB total


    ____________________________________________________________________________________________________ _____
    CPU SPEED
    ____________________________________________________________________________________________________ _____
    Reported CPU speed: 1094 MHz

    Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


    ____________________________________________________________________________________________________ _____
    MEASURED INTERRUPT TO USER PROCESS LATENCIES
    ____________________________________________________________________________________________________ _____
    The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.

    Highest measured interrupt to process latency (µs): 25017,052616
    Average measured interrupt to process latency (µs): 12,145507

    Highest measured interrupt to DPC latency (µs): 25008,631571
    Average measured interrupt to DPC latency (µs): 4,031386


    ____________________________________________________________________________________________________ _____
    REPORTED ISRs
    ____________________________________________________________________________________________________ _____
    Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

    Highest ISR routine execution time (µs): 499,354662
    Driver with highest ISR routine execution time: ndis.sys - Specyfikacja NDIS (Network Driver Interface Specification), Microsoft Corporation

    Highest reported total ISR routine time (%): 0,107517
    Driver with highest ISR total time: ndis.sys - Specyfikacja NDIS (Network Driver Interface Specification), Microsoft Corporation

    Total time spent in ISRs (%) 0,112913

    ISR count (execution time <250 µs): 1312953
    ISR count (execution time 250-500 µs): 0
    ISR count (execution time 500-999 µs): 175
    ISR count (execution time 1000-1999 µs): 0
    ISR count (execution time 2000-3999 µs): 0
    ISR count (execution time >=4000 µs): 0


    ____________________________________________________________________________________________________ _____
    REPORTED DPCs
    ____________________________________________________________________________________________________ _____
    DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

    Highest DPC routine execution time (µs): 2943,080439
    Driver with highest DPC routine execution time: ndis.sys - Specyfikacja NDIS (Network Driver Interface Specification), Microsoft Corporation

    Highest reported total DPC routine time (%): 0,146983
    Driver with highest DPC total execution time: ndis.sys - Specyfikacja NDIS (Network Driver Interface Specification), Microsoft Corporation

    Total time spent in DPCs (%) 0,413114

    DPC count (execution time <250 µs): 23543913
    DPC count (execution time 250-500 µs): 0
    DPC count (execution time 500-999 µs): 63871
    DPC count (execution time 1000-1999 µs): 64
    DPC count (execution time 2000-3999 µs): 3
    DPC count (execution time >=4000 µs): 0


    ____________________________________________________________________________________________________ _____
    REPORTED HARD PAGEFAULTS
    ____________________________________________________________________________________________________ _____
    Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.

    NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.

    Process with highest pagefault count: msmpeng.exe

    Total number of hard pagefaults 64434
    Hard pagefault count of hardest hit process: 13219
    Number of processes hit: 130


    ____________________________________________________________________________________________________ _____
    PER CPU DATA
    ____________________________________________________________________________________________________ _____
    CPU 0 Interrupt cycle time (s): 815,239588
    CPU 0 ISR highest execution time (µs): 458,068556
    CPU 0 ISR total execution time (s): 54,824086
    CPU 0 ISR count: 1251707
    CPU 0 DPC highest execution time (µs): 2943,080439
    CPU 0 DPC total execution time (s): 186,090662
    CPU 0 DPC count: 22916890
    ____________________________________________________________________________________________________ _____
    CPU 1 Interrupt cycle time (s): 745,013528
    CPU 1 ISR highest execution time (µs): 499,354662
    CPU 1 ISR total execution time (s): 2,204789
    CPU 1 ISR count: 59466
    CPU 1 DPC highest execution time (µs): 1600,595064
    CPU 1 DPC total execution time (s): 10,362154
    CPU 1 DPC count: 237835
    ____________________________________________________________________________________________________ _____
    CPU 2 Interrupt cycle time (s): 443,255692
    CPU 2 ISR highest execution time (µs): 63,183729
    CPU 2 ISR total execution time (s): 0,014611
    CPU 2 ISR count: 1840
    CPU 2 DPC highest execution time (µs): 931,687386
    CPU 2 DPC total execution time (s): 8,254882
    CPU 2 DPC count: 290827
    ____________________________________________________________________________________________________ _____
    CPU 3 Interrupt cycle time (s): 431,115798
    CPU 3 ISR highest execution time (µs): 42,749543
    CPU 3 ISR total execution time (s): 0,000936
    CPU 3 ISR count: 115
    CPU 3 DPC highest execution time (µs): 684,271481
    CPU 3 DPC total execution time (s): 4,000791
    CPU 3 DPC count: 162299
    ____________________________________________________________________________________________________ _____
    This informations aren't simple to understand. For me - much better and complex will be log from xperf. Read something about it here: https://randomascii.wordpress.com/20...-the-easy-way/
    Make etl log, compress and upload to some server, then put link here.
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  6. ChrisWaters
    Posts : 62
    Windows 10
    Thread Starter
       New #34

    Experiencing slight pause every four seconds


    groszexxx said:
    Why You didnt show ur report from LatencyMon? For me, it is like conversation with blind man about colours.
    I've attached the report from LatencyMon. The text (as well as the Drivers and CPUs tabs within the app) indicate storport.sys to be the culprit. I researched that file initially but didn’t find anything applicable.

    groszexxx said:
    This informations aren't simple to understand. For me - much better and complex will be log from xperf. Read something about it here: https://randomascii.wordpress.com/20...-the-easy-way/
    Make etl log, compress and upload to some server, then put link here.

    Update: I used UIforETW. Here is a link to the compressed log.
    Experiencing slight pause every four seconds Attached Files
    Last edited by ChrisWaters; 14 Jul 2018 at 16:27.
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  7. groszexxx
    Posts : 29
    w10
       New #35

    Quick answer cause i am on phone. LatencyMon indicated storport.sys, but what does it mean? Look on my report. I had opened chrome during whole time and this chrome consumed over 90% summary cpu cycles and u cant know it from LatencyMon's report. That is why we need some more precision tool. UiforETW it is some like gui for xperf .
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  8. ChrisWaters
    Posts : 62
    Windows 10
    Thread Starter
       New #36

    Thanks for chiming in. I used UIforETW, performed a trace (with the default settings), and compressed the ETL log. Here's a link to the compressed file.
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  9. groszexxx
    Posts : 29
    w10
       New #37

    Can U make same log from 1709?

    Experiencing slight pause every four seconds-przechwytywanie.png
    Experiencing slight pause every four seconds-przechwytywanie2.png

    I would like to compare the operations from the stack.

    Edit:
    What a option do u have in bios about sata controler - AHCI or RAID?
    Last edited by groszexxx; 15 Jul 2018 at 05:30.
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  10. ChrisWaters
    Posts : 62
    Windows 10
    Thread Starter
       New #38

    Here's a link to the compressed UIforETW log from 1709. It's considerably smaller than the one for 1803. Not sure why that is. I ran the trace for about 10 seconds for both 1803 and 1709.

    My BIOS' Advanced Chipset Settings > SATA Mode is set to RAID. The only other option is ATA.
    Experiencing slight pause every four seconds-bios.jpg
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  12. groszexxx
    Posts : 29
    w10
       New #39

    I looked for drivers and i found something this:
    In 1709
    Experiencing slight pause every four seconds-driver-1709.png
    In 1803
    Experiencing slight pause every four seconds-driver-1803.png

    But i didnt spend much time about investigation. I think You can check this way and then try replace driver.
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  13. groszexxx
    Posts : 29
    w10
       New #40

    I cant edit my post.

    Maybe U can change ur sata driver to standard sata ahci controller from microsoft?
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