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 executed by a driver running in your system appear to be executing for too long. Also one or more ISR routines executed by a driver running in your system appear to be executing for too long. Also your system appears to be having trouble which may be attributed to SMIs, IPIs, CPU bugs or unexplainable stalls. 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 0:04:02 (h:mm:ss) on all processors in the system.
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SYSTEM INFORMATION
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Computer name: PC000-PC3-PC
OS version: Windows 7 , 6.1, build: 7600 (x64)
CPU: GenuineIntel Pentium(R) Dual-Core CPU E5400 @ 2.70GHz
Logical processors: 2
Processor groups: 1
RAM: 4094 MB total
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CPU SPEED
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Reported CPU speed: 2843.0 MHz
Measured CPU speed: 1029.0 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): 10574.836822
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MEASURED SMIs AND CPU STALLS
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Highest measured SMI, IPI or CPU stall (µs) 7426.693675
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REPORTED DPCs
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Highest DPC routine execution time (µs): 10637.824129
Driver with highest DPC routine execution time: ntoskrnl.exe - NT Kernel & System, Microsoft Corporation
Highest reported total DPC routine time (%): 2.232563
Driver with highest DPC total execution time: ntoskrnl.exe - NT Kernel & System, Microsoft Corporation
Total time spent in DPCs (%) 4.625101
DPC count (execution time <250 µs): 587461
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1578
DPC count (execution time 1000-1999 µs): 1861
DPC count (execution time 2000-3999 µs): 1069
DPC count (execution time >=4000 µs): 0
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REPORTED ISRs
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Highest ISR routine execution time (µs): 8417.731973
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Highest reported total ISR routine time (%): 0.221803
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Total time spent in ISRs (%) 0.434739
ISR count (execution time <250 µs): 406387
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 372
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 HARD PAGEFAULTS
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Process with highest pagefault count: none
Total number of hard pagefaults 371
Hard pagefault count of hardest hit process: 149
Highest hard pagefault resolution time (µs): 349273.689413
Total time spent in hard pagefaults (%): 1.964990
Number of processes hit: 0
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 18.206478
CPU 0 ISR highest execution time (µs): 372.030953
CPU 0 ISR total execution time (s): 0.984849
CPU 0 ISR count: 323827
CPU 0 DPC highest execution time (µs): 10539.758354
CPU 0 DPC total execution time (s): 16.559198
CPU 0 DPC count: 540326
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CPU 1 Interrupt cycle time (s): 7.281389
CPU 1 ISR highest execution time (µs): 8417.731973
CPU 1 ISR total execution time (s): 1.122712
CPU 1 ISR count: 82965
CPU 1 DPC highest execution time (µs): 10637.824129
CPU 1 DPC total execution time (s): 5.862736
CPU 1 DPC count: 52601
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