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#1
Weird stuttering/dropouts while gaming
Hello, I've been trying to fix my problem since few months, viewed tons of forum threads but yet couldn't really find a solution. Mainly I play CS:GO and its really annoying. The problem are micro freezes/sound dropouts/screen tearing. Even though my fps are fine (150-300) something is wrong. I've tried a lot and I mean a lot things to fix my problem. Everything is smooth on empty server (I play on 144hz) but under heavy load everything just breaks.
My specs:
intel i5-3470 3.2
Geforce gtx 750ti msi
Asus P8B75-V
Ballistix Tactical DDR3-1600 CL8 - 8GB
Corsair VS 550W
SSD 128gb
HD 1tb
Windows 7 x64
Also I'm adding results from LatencyMon (few mins of playing).
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 0:06:37 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: MARCIN-PC
OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware: ASUSTeK COMPUTER INC., P8B75-V
CPU: GenuineIntel Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
Logical processors: 4
Processor groups: 1
RAM: 8122 MB total
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CPU SPEED
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Reported CPU speed: 320 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): 15601,680358
Average measured interrupt to process latency (µs): 2,551399
Highest measured interrupt to DPC latency (µs): 1207,341455
Average measured interrupt to DPC latency (µs): 0,688647
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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): 119,520938
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Highest reported total ISR routine time (%): 0,335451
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Total time spent in ISRs (%) 0,421053
ISR count (execution time <250 µs): 967721
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
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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): 1313,561875
Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 385.41 , NVIDIA Corporation
Highest reported total DPC routine time (%): 0,257958
Driver with highest DPC total execution time: USBPORT.SYS - USB 1.1 & 2.0 Port Driver, Microsoft Corporation
Total time spent in DPCs (%) 0,711314
DPC count (execution time <250 µs): 3527476
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 3
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: steam.exe
Total number of hard pagefaults 706
Hard pagefault count of hardest hit process: 246
Highest hard pagefault resolution time (µs): 425089,809688
Total time spent in hard pagefaults (%): 0,106334
Number of processes hit: 5
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 21,444626
CPU 0 ISR highest execution time (µs): 119,520938
CPU 0 ISR total execution time (s): 6,695364
CPU 0 ISR count: 967721
CPU 0 DPC highest execution time (µs): 1313,561875
CPU 0 DPC total execution time (s): 10,173387
CPU 0 DPC count: 3381732
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CPU 1 Interrupt cycle time (s): 3,548485
CPU 1 ISR highest execution time (µs): 0,0
CPU 1 ISR total execution time (s): 0,0
CPU 1 ISR count: 0
CPU 1 DPC highest execution time (µs): 140,272813
CPU 1 DPC total execution time (s): 0,928819
CPU 1 DPC count: 68187
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CPU 2 Interrupt cycle time (s): 1,505833
CPU 2 ISR highest execution time (µs): 0,0
CPU 2 ISR total execution time (s): 0,0
CPU 2 ISR count: 0
CPU 2 DPC highest execution time (µs): 80,134375
CPU 2 DPC total execution time (s): 0,089873
CPU 2 DPC count: 32085
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CPU 3 Interrupt cycle time (s): 2,386388
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): 106,66750
CPU 3 DPC total execution time (s): 0,118867
CPU 3 DPC count: 45476
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Basically ask me anything and thanks in advance. Cheers