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Let's take a look at my DPC (LatencyMon)

natostanco

New Member
Can you take a look at these stats from latencymon and tell me if they are normal? I have included the main stats and screenshot of drivers and processes list after 1 hour of test, running different apps.

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 1:00:32 (h:mm:ss) on all processors.




_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name: FRA
OS version: Windows 8 , 6.2, build: 9200 (x64)
Hardware: GA-MA790X-UD4, Gigabyte Technology Co., Ltd.
CPU: AuthenticAMD AMD Phenom(tm) II X3 720 Processor
Logical processors: 3
Processor groups: 1
RAM: 4093 MB total




_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed: 3416.0 MHz
Measured CPU speed: 4263.0 MHz (approx.)


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): 9757.143221
Average measured interrupt to process latency (µs): 4.459461


Highest measured interrupt to DPC latency (µs): 2463.794838
Average measured interrupt to DPC latency (µs): 1.825950




_________________________________________________________________________________________________________
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): 212.328454
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


Highest reported total ISR routine time (%): 0.466138
Driver with highest ISR total time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation


Total time spent in ISRs (%) 0.545933


ISR count (execution time <250 µs): 9617021
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 0
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): 11078.500585
Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation


Highest reported total DPC routine time (%): 0.523892
Driver with highest DPC total execution time: USBPORT.SYS - USB 1.1 & 2.0 Port Driver, Microsoft Corporation


Total time spent in DPCs (%) 1.819127


DPC count (execution time <250 µs): 18564593
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 15634
DPC count (execution time 1000-1999 µs): 135
DPC count (execution time 2000-3999 µs): 91
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: explorer.exe


Total number of hard pagefaults 195030
Hard pagefault count of hardest hit process: 104767
Highest hard pagefault resolution time (µs): 5105052678276.250
Total time spent in hard pagefaults (%): 46860.369551
Number of processes hit: 60




_________________________________________________________________________________________________________
PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s): 115.755187
CPU 0 ISR highest execution time (µs): 181.387881
CPU 0 ISR total execution time (s): 1.442597
CPU 0 ISR count: 206683
CPU 0 DPC highest execution time (µs): 1715.539520
CPU 0 DPC total execution time (s): 41.631850
CPU 0 DPC count: 10542646
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s): 61.898710
CPU 1 ISR highest execution time (µs): 204.885246
CPU 1 ISR total execution time (s): 13.880212
CPU 1 ISR count: 2256049
CPU 1 DPC highest execution time (µs): 3824.185304
CPU 1 DPC total execution time (s): 15.113963
CPU 1 DPC count: 844909
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s): 219.914542
CPU 2 ISR highest execution time (µs): 212.328454
CPU 2 ISR total execution time (s): 44.163342
CPU 2 ISR count: 7154289
CPU 2 DPC highest execution time (µs): 11078.500585
CPU 2 DPC total execution time (s): 141.470492
CPU 2 DPC count: 7192919
_________________________________________________________________________________________________________
 

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My Computer

System One

  • OS
    windows 8

MasterChief

Banned
Uninstall Norton with the tool they offer in Safe Mode.

You'll be golden. (Norton will do that to ya, no doubt and a dutch.)

Replace it with MSE and turn on the Windows Firewall service. MSE install can do that for you, or you can do it manually with services.msc.

Ensure Razer driver/software is latest.
 

My Computer

System One

  • OS
    7601.18247.x86fre.win7sp1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Self-built Intel based
    CPU
    Pentium D 925 3.0 GHz socket 775, Presler @ ~ 3.2 GHz
    Motherboard
    Intel DQ965MT
    Memory
    Hyundai 2 GB DDR2 @ 333 MHz
    Graphics Card(s)
    ASUS DirectCU II HD7790-DC2OC-2GD5 Radeon HD 7790 2GB 128-Bit GDDR5
    Sound Card
    MOTU Traveler firewire interface
    Hard Drives
    1 Seagate Barracuda SATA II system/boot drive 80 GB, 2 Western Digital hdds - 1 is SATA II Caviar Black 1 TB attached to card (assorted media, page, temp), other is SATA I 420 GB (games, media, downloads)
    PSU
    Thermaltake 450W
    Cooling
    stock Gateway cooling, extra large fan in rear of case
    Keyboard
    Alienware/Microsoft Internet kb
    Mouse
    Logitech M510
    Internet Speed
    Optimum Online, fast for US
    Browser
    Pale Moon
    Antivirus
    Kaspersky integrated into ZoneAlarm+Antivirus

fireberd

Beach Observer
VIP Member
Pro User
Windows Defender, which was called Microsoft Security Essentials, is built into Windows 8. Most users do not need a 3rd party Antivirus.

What is the problem or reason you ran the Latency Monitor?
 

My Computer

System One

  • OS
    Win 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home Built
    CPU
    i7 6700K
    Motherboard
    ASUS ROG Maximus VIII Hero
    Memory
    16 Gb G Skill TridentZ DDR4 3400
    Graphics Card(s)
    Intel (i7 CPU)
    Sound Card
    RealTek Integrated
    Monitor(s) Displays
    27" Dell SE2717HR
    Screen Resolution
    1920X1080
    Hard Drives
    500GB Samsung 850 SSD, 3TB for backups
    PSU
    EVGA Supernova 750 G2
    Case
    BeQuiet Silent Base 600
    Cooling
    Deepcool Captain 120EX
    Keyboard
    Microsoft Wireless
    Mouse
    Logitech wireless
    Internet Speed
    Cable - 100MB Downlink
    Browser
    Edge/Firefox
    Antivirus
    Microsoft
    Other Info
    Sonar Platinum 64 bit recording studio software with MOTU 896Mk3 Hybrid recording interface unit.

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