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Latency/Buffer problem - LatencyMon Report

Proxno

New member
Joined
Sep 19, 2015
Posts
1
Hello, and thanks for reading this thread, I'm a bit out of my comfort zone here, as I dont know how to proceed after this report I got from LatencyMon, any help would be apreciated.

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. 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 11:29:52 (h:mm:ss) on all processors.




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SYSTEM INFORMATION
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Computer name: DANIEL-PC
OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware: All Series, ASUS, ASUSTeK COMPUTER INC., Z97-PRO GAMER
CPU: GenuineIntel Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
Logical processors: 8
Processor groups: 1
RAM: 8134 MB total




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CPU SPEED
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Reported CPU speed: 3997 MHz
Measured CPU speed: 1 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.


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.






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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): 181379,452373
Average measured interrupt to process latency (µs): 10,461156


Highest measured interrupt to DPC latency (µs): 12014,471156
Average measured interrupt to DPC latency (µs): 4,669185




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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): 679,529647
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


Highest reported total ISR routine time (%): 0,030884
Driver with highest ISR total time: hal.dll - Hardware Abstraction Layer DLL, Microsoft Corporation


Total time spent in ISRs (%) 0,073821


ISR count (execution time <250 µs): 29135794
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 36120
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): 20369,447085
Driver with highest DPC routine execution time: ataport.SYS - ATAPI Driver Extension, Microsoft Corporation


Highest reported total DPC routine time (%): 0,994475
Driver with highest DPC total execution time: ndis.sys - NDIS 6.20 driver, Microsoft Corporation


Total time spent in DPCs (%) 1,19590


DPC count (execution time <250 µs): 284910382
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1373154
DPC count (execution time 1000-1999 µs): 52430
DPC count (execution time 2000-3999 µs): 1299
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: ekrn.exe


Total number of hard pagefaults 506837
Hard pagefault count of hardest hit process: 124745
Highest hard pagefault resolution time (µs): 2953137,637978
Total time spent in hard pagefaults (%): 0,230602
Number of processes hit: 49




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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 4575,647257
CPU 0 ISR highest execution time (µs): 679,529647
CPU 0 ISR total execution time (s): 236,208751
CPU 0 ISR count: 28726114
CPU 0 DPC highest execution time (µs): 20369,447085
CPU 0 DPC total execution time (s): 3771,144987
CPU 0 DPC count: 246578599
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CPU 1 Interrupt cycle time (s): 806,894977
CPU 1 ISR highest execution time (µs): 427,415562
CPU 1 ISR total execution time (s): 2,971790
CPU 1 ISR count: 154508
CPU 1 DPC highest execution time (µs): 978,088566
CPU 1 DPC total execution time (s): 14,247686
CPU 1 DPC count: 1475403
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CPU 2 Interrupt cycle time (s): 791,259213
CPU 2 ISR highest execution time (µs): 463,717788
CPU 2 ISR total execution time (s): 0,416888
CPU 2 ISR count: 20328
CPU 2 DPC highest execution time (µs): 1653,910433
CPU 2 DPC total execution time (s): 50,976130
CPU 2 DPC count: 12361579
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CPU 3 Interrupt cycle time (s): 659,042814
CPU 3 ISR highest execution time (µs): 507,190393
CPU 3 ISR total execution time (s): 1,740567
CPU 3 ISR count: 109426
CPU 3 DPC highest execution time (µs): 888,566425
CPU 3 DPC total execution time (s): 10,194048
CPU 3 DPC count: 895746
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CPU 4 Interrupt cycle time (s): 794,703889
CPU 4 ISR highest execution time (µs): 558,433825
CPU 4 ISR total execution time (s): 0,472462
CPU 4 ISR count: 24644
CPU 4 DPC highest execution time (µs): 988,866650
CPU 4 DPC total execution time (s): 48,101867
CPU 4 DPC count: 11676845
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CPU 5 Interrupt cycle time (s): 665,834453
CPU 5 ISR highest execution time (µs): 510,738054
CPU 5 ISR total execution time (s): 1,408650
CPU 5 ISR count: 74252
CPU 5 DPC highest execution time (µs): 767,510633
CPU 5 DPC total execution time (s): 6,938280
CPU 5 DPC count: 550054
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CPU 6 Interrupt cycle time (s): 728,300969
CPU 6 ISR highest execution time (µs): 381,46610
CPU 6 ISR total execution time (s): 0,305841
CPU 6 ISR count: 16037
CPU 6 DPC highest execution time (µs): 904,573430
CPU 6 DPC total execution time (s): 51,177894
CPU 6 DPC count: 11746237
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CPU 7 Interrupt cycle time (s): 602,684743
CPU 7 ISR highest execution time (µs): 466,304729
CPU 7 ISR total execution time (s): 0,925952
CPU 7 ISR count: 46605
CPU 7 DPC highest execution time (µs): 1633,720290
CPU 7 DPC total execution time (s): 7,321641
CPU 7 DPC count: 1052824
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