Windows 10: High latency Issues in win 10

Discus and support High latency Issues in win 10 in Windows 10 BSOD Crashes and Debugging to solve the problem; Hi, i m using win10 1903 with following configuration: OS Name Microsoft Windows 10 Home Single Language Version 10.0.18362 Build 18362 Other... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by shanksTJ, Aug 19, 2019.

  1. shanksTJ Win User

    High latency Issues in win 10

    Hi, i m using win10 1903 with following configuration:

    OS Name Microsoft Windows 10 Home Single Language
    Version 10.0.18362 Build 18362
    Other OS Description Not Available
    OS Manufacturer Microsoft Corporation
    System Name SHANKS
    System Manufacturer Dell Inc.
    System Model Inspiron 5379
    System Type x64-based PC
    System SKU 0804
    Processor Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz, 1800 Mhz, 4 Core(s), 8 Logical Processor(s)
    BIOS Version/Date Dell Inc. 1.12.0, 5/9/2019
    SMBIOS Version 3.0
    Embedded Controller Version 255.255
    BIOS Mode UEFI
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 006G74
    BaseBoard Version A00
    Platform Role Mobile
    Secure Boot State On
    PCR7 Configuration Binding Not Possible
    Windows Directory C:\WINDOWS
    System Directory C:\WINDOWS\system32
    Boot Device \Device\HarddiskVolume1
    Locale United States
    Hardware Abstraction Layer Version = "10.0.18362.267"
    User Name SHANKS\Monsieur
    Time Zone Nepal Standard Time
    Installed Physical Memory (RAM) 8.00 GB
    Total Physical Memory 7.84 GB
    Available Physical Memory 1.08 GB
    Total Virtual Memory 16.8 GB
    Available Virtual Memory 8.77 GB
    Page File Space 9.00 GB
    Page File C:\pagefile.sys
    Kernel DMA Protection Off
    Virtualization-based security Not enabled
    Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, TPM is not usable
    Hyper-V - VM Monitor Mode Extensions Yes
    Hyper-V - Second Level Address Translation Extensions Yes
    Hyper-V - Virtualization Enabled in Firmware Yes
    Hyper-V - Data Execution Protection Yes

    Sometimes i face video and audio stuttering. And latency mon showed following results:

    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. Also one or more ISR 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 1:31:06 (h:mm:ss) on all processors.

    Computer name: SHANKS
    OS version: Windows 10 , 10.0, version 1903, build: 18362 (x64)
    Hardware: Inspiron 5379, Dell Inc., 006G74
    CPU: GenuineIntel Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz
    Logical processors: 8
    Processor groups: 1
    RAM: 8025 MB total

    Reported CPU speed: 180 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.

    WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.

    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): 7633.40
    Average measured interrupt to process latency (µs): 21.753044

    Highest measured interrupt to DPC latency (µs): 7570.50
    Average measured interrupt to DPC latency (µs): 6.119309

    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): 1716.188889
    Driver with highest ISR routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation

    Highest reported total ISR routine time (%): 0.033181
    Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

    Total time spent in ISRs (%) 0.038321

    ISR count (execution time <250 µs): 971639
    ISR count (execution time 250-500 µs): 0
    ISR count (execution time 500-999 µs): 33
    ISR count (execution time 1000-1999 µs): 2
    ISR count (execution time 2000-3999 µs): 0
    ISR count (execution time >=4000 µs): 0

    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): 16722.945556
    Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation

    Highest reported total DPC routine time (%): 0.232475
    Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

    Total time spent in DPCs (%) 0.420751

    DPC count (execution time <250 µs): 6643445
    DPC count (execution time 250-500 µs): 0
    DPC count (execution time 500-999 µs): 66148
    DPC count (execution time 1000-1999 µs): 5705
    DPC count (execution time 2000-3999 µs): 1390
    DPC count (execution time >=4000 µs): 0

    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: wpa.exe

    Total number of hard pagefaults 52632
    Hard pagefault count of hardest hit process: 6068
    Number of processes hit: 163

    CPU 0 Interrupt cycle time (s): 384.219340
    CPU 0 ISR highest execution time (µs): 1716.188889
    CPU 0 ISR total execution time (s): 15.110935
    CPU 0 ISR count: 887489
    CPU 0 DPC highest execution time (µs): 16722.945556
    CPU 0 DPC total execution time (s): 149.038771
    CPU 0 DPC count: 5774395
    CPU 1 Interrupt cycle time (s): 183.929629
    CPU 1 ISR highest execution time (µs): 588.416667
    CPU 1 ISR total execution time (s): 1.391733
    CPU 1 ISR count: 74049
    CPU 1 DPC highest execution time (µs): 5689.542222
    CPU 1 DPC total execution time (s): 11.292813
    CPU 1 DPC count: 155616
    CPU 2 Interrupt cycle time (s): 112.922849
    CPU 2 ISR highest execution time (µs): 223.199444
    CPU 2 ISR total execution time (s): 0.212805
    CPU 2 ISR count: 8135
    CPU 2 DPC highest execution time (µs): 5632.270
    CPU 2 DPC total execution time (s): 6.225445
    CPU 2 DPC count: 160995
    CPU 3 Interrupt cycle time (s): 85.240954
    CPU 3 ISR highest execution time (µs): 322.6350
    CPU 3 ISR total execution time (s): 0.038689
    CPU 3 ISR count: 1641
    CPU 3 DPC highest execution time (µs): 5625.634444
    CPU 3 DPC total execution time (s): 0.999906
    CPU 3 DPC count: 25919
    CPU 4 Interrupt cycle time (s): 94.498125
    CPU 4 ISR highest execution time (µs): 130.048333
    CPU 4 ISR total execution time (s): 0.003177
    CPU 4 ISR count: 324
    CPU 4 DPC highest execution time (µs): 5573.818333
    CPU 4 DPC total execution time (s): 5.989105
    CPU 4 DPC count: 231103
    CPU 5 Interrupt cycle time (s): 72.264990
    CPU 5 ISR highest execution time (µs): 15.520
    CPU 5 ISR total execution time (s): 0.000160
    CPU 5 ISR count: 33
    CPU 5 DPC highest execution time (µs): 5567.217778
    CPU 5 DPC total execution time (s): 2.271063
    CPU 5 DPC count: 124313
    CPU 6 Interrupt cycle time (s): 112.536885
    CPU 6 ISR highest execution time (µs): 6.713889
    CPU 6 ISR total execution time (s): 0.000010
    CPU 6 ISR count: 2
    CPU 6 DPC highest execution time (µs): 5518.578333
    CPU 6 DPC total execution time (s): 5.812109
    CPU 6 DPC count: 168253
    CPU 7 Interrupt cycle time (s): 80.510936
    CPU 7 ISR highest execution time (µs): 2.872778
    CPU 7 ISR total execution time (s): 0.000003
    CPU 7 ISR count: 1
    CPU 7 DPC highest execution time (µs): 5512.233333
    CPU 7 DPC total execution time (s): 2.359735
    CPU 7 DPC count: 76273

    shanksTJ, Aug 19, 2019

  2. Windows 10 High Dpc Latency

    I believe DPC Latency Checker does not support WIN 10. Please try LatencyMon and check.

    I had this issue so thought of sharing.
    GypsySoul13, Aug 19, 2019
  3. xKOLDx Win User
    Windows 10 High Latency issue

    Fireberd sorry screen shots as requested


    High latency Issues in win 10 [​IMG]


    High latency Issues in win 10 [​IMG]
    xKOLDx, Aug 19, 2019
  4. xKOLDx Win User

    High latency Issues in win 10

    Windows 10 High Latency issue


    please see screen shot for most recent run of latency mon 15min afterboot up

    High latency Issues in win 10 [​IMG]
    xKOLDx, Aug 19, 2019

High latency Issues in win 10

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