Citation :
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CONCLUSION
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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. 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 2:34:29 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: DESKTOP-TSO9V56
OS version: Windows 10 , 10.0, build: 17134 (x64)
Hardware: MS-7A66, MSI, Z270I GAMING PRO CARBON AC (MS-7A66)
CPU: GenuineIntel Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
Logical processors: 8
Processor groups: 1
RAM: 16342 MB total
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CPU SPEED
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Reported CPU speed: 420 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. _________________________________________________________________________________________________________
MEASURED INTERRUPT TO USER PROCESS LATENCIES
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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): 623,176459
Average measured interrupt to process latency (µs): 2,618025
Highest measured interrupt to DPC latency (µs): 619,275511
Average measured interrupt to DPC latency (µs): 0,939912
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REPORTED ISRs
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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): 318,176190
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Highest reported total ISR routine time (%): 0,134881
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Total time spent in ISRs (%) 0,160475
ISR count (execution time <250 µs): 13129410
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 1
ISR count (execution time 1000-1999 µs): 0
ISR count (execution time 2000-3999 µs): 0
ISR count (execution time >=4000 µs): 0
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REPORTED DPCs
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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): 5013,570476
Driver with highest DPC routine execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation
Highest reported total DPC routine time (%): 0,081154
Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 399.07 , NVIDIA Corporation
Total time spent in DPCs (%) 0,200180
DPC count (execution time <250 µs): 32674491
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 110
DPC count (execution time 1000-1999 µs): 1
DPC count (execution time 2000-3999 µs): 0
DPC count (execution time >=4000 µs): 0
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REPORTED HARD PAGEFAULTS
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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: battle.net.exe
Total number of hard pagefaults 33005
Hard pagefault count of hardest hit process: 5423
Number of processes hit: 96
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 427,698342
CPU 0 ISR highest execution time (µs): 318,176190
CPU 0 ISR total execution time (s): 118,555232
CPU 0 ISR count: 12867931
CPU 0 DPC highest execution time (µs): 5013,570476
CPU 0 DPC total execution time (s): 135,85690
CPU 0 DPC count: 30902772
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CPU 1 Interrupt cycle time (s): 169,822421
CPU 1 ISR highest execution time (µs): 134,308571
CPU 1 ISR total execution time (s): 0,452281
CPU 1 ISR count: 261262
CPU 1 DPC highest execution time (µs): 227,873095
CPU 1 DPC total execution time (s): 9,295586
CPU 1 DPC count: 411080
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CPU 2 Interrupt cycle time (s): 107,306452
CPU 2 ISR highest execution time (µs): 3,692143
CPU 2 ISR total execution time (s): 0,000394
CPU 2 ISR count: 218
CPU 2 DPC highest execution time (µs): 185,277381
CPU 2 DPC total execution time (s): 0,576198
CPU 2 DPC count: 252554
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CPU 3 Interrupt cycle time (s): 142,550097
CPU 3 ISR highest execution time (µs): 0,0
CPU 3 ISR total execution time (s): 0,0
CPU 3 ISR count: 0
CPU 3 DPC highest execution time (µs): 164,153571
CPU 3 DPC total execution time (s): 0,291783
CPU 3 DPC count: 108056
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CPU 4 Interrupt cycle time (s): 112,699774
CPU 4 ISR highest execution time (µs): 0,0
CPU 4 ISR total execution time (s): 0,0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 164,348095
CPU 4 DPC total execution time (s): 0,656787
CPU 4 DPC count: 283378
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CPU 5 Interrupt cycle time (s): 134,083390
CPU 5 ISR highest execution time (µs): 0,0
CPU 5 ISR total execution time (s): 0,0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 221,994286
CPU 5 DPC total execution time (s): 0,301691
CPU 5 DPC count: 93529
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CPU 6 Interrupt cycle time (s): 103,798704
CPU 6 ISR highest execution time (µs): 0,0
CPU 6 ISR total execution time (s): 0,0
CPU 6 ISR count: 0
CPU 6 DPC highest execution time (µs): 239,653810
CPU 6 DPC total execution time (s): 1,140614
CPU 6 DPC count: 513263
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CPU 7 Interrupt cycle time (s): 131,469420
CPU 7 ISR highest execution time (µs): 0,0
CPU 7 ISR total execution time (s): 0,0
CPU 7 ISR count: 0
CPU 7 DPC highest execution time (µs): 270,852857
CPU 7 DPC total execution time (s): 0,333730
CPU 7 DPC count: 109971
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