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High dpclat as well as LatencyMon - Help please! Going Crazy
Specs
win 7 x64 Ultimate
Intel core 2 duo E6400 2.13ghz - O.C @ 3Ghz
4gb ram
Zotac Geforce 260 GTX
Asus p5b Mainboard
If need anything more specific please ask
Problem is really horrible Dpclat spikes, i will go into as much detail as possible using screenshots.
Here we have dpclat and latency mon screenshots:
https://www.dropbox.com/s/0ail87f615qns99/lat1.png
https://www.dropbox.com/s/ro23rtoqx9xe72e/lat2.png
While posting thread, same music running in background (youtube video) Despite a few yellow jumps, there were many more greens available than yellows:
https://www.dropbox.com/s/glj480krdp...g%20thread.png
here another latency mon screenshot: https://www.dropbox.com/s/z89lzwquwjel3dd/latency4.png
Here two screenshots with the Zotac Geforce 260 Gtx Disabled: (Onboard graphic card enabled)
https://www.dropbox.com/s/x9v04x2d9o...0card%20LM.png
https://www.dropbox.com/s/45bgl2u7ix...hic%20card.png
As you can see in the last two screenshots, the results are wonderful and i have no idea how i'm supposed to solve this. Anyone with possible solutions that can help me?
If not i'm going to use the mainboard as a freaking trampoline :-P
Latency Mon text report:
thank in advance,____________________________________________________________________________________________________ _____
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. 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 0:14:36 (h:mm:ss) on all processors in the system.
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SYSTEM INFORMATION
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Computer name: SHADEH-PC
OS version: Windows 7 , 6.1, build: 7600 (x64)
CPU: GenuineIntel Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz
Logical processors: 2
Processor groups: 1
RAM: 4095 MB total
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CPU SPEED
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Reported CPU speed: 2998.0 MHz
Measured CPU speed: 2899.0 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.
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MEASURED KERNEL TIMER LATENCIES
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Highest measured kernel timer latency (µs): 42301.659425
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MEASURED SMIs AND CPU STALLS
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Highest measured SMI, IPI or CPU stall (µs) 0.683017
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REPORTED DPCs
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Highest DPC routine execution time (µs): 27067.306204
Driver with highest DPC routine execution time: ndis.sys - NDIS 6.20 driver, Microsoft Corporation
Highest reported total DPC routine time (%): 0.216371
Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 306.97 , NVIDIA Corporation
Total time spent in DPCs (%) 0.603403
DPC count (execution time <250 µs): 1552607
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1124
DPC count (execution time 1000-1999 µs): 221
DPC count (execution time 2000-3999 µs): 40
DPC count (execution time >=4000 µs): 0
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REPORTED ISRs
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Highest ISR routine execution time (µs): 27276.213476
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Highest reported total ISR routine time (%): 0.525712
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Total time spent in ISRs (%) 0.724446
ISR count (execution time <250 µs): 1653686
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 1131
ISR count (execution time 1000-1999 µs): 911
ISR count (execution time 2000-3999 µs): 133
ISR count (execution time >=4000 µs): 0
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REPORTED HARD PAGEFAULTS
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Process with highest pagefault count: none
Total number of hard pagefaults 1273
Hard pagefault count of hardest hit process: 787
Highest hard pagefault resolution time (µs): 346653.190794
Total time spent in hard pagefaults (%): 0.539502
Number of processes hit: 0
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 26.452827
CPU 0 ISR highest execution time (µs): 27276.213476
CPU 0 ISR total execution time (s): 12.694213
CPU 0 ISR count: 1656085
CPU 0 DPC highest execution time (µs): 27067.306204
CPU 0 DPC total execution time (s): 10.538999
CPU 0 DPC count: 1551129
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CPU 1 Interrupt cycle time (s): 1.969527
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): 338.073382
CPU 1 DPC total execution time (s): 0.034233
CPU 1 DPC count: 2936
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shadeh
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