mamasan2000 :
Yeah but that app only measures audio,right? Think I ran it once because I play music instruments on my PC sometimes.
I would look at soundcards, definately not use onboard stuff.
Turn off all autostart-stuff that aren't ABSOLUTELY ABSOLUTELY necessary. Turn off (disabled or manual, manual is generally a better option) services that aren't ABSOLUTELY necessary. Like Superfetch etc.
http://www.7tutorials.com/which-windows-services-are-safe-disable-when
Check for malware and viruses.
Plenty of stuff that can slow down computer for audio-stuff. I have an ASUS motherboard and their Tools Suite is just the worst if you want any performance out of your computer. So just because it's "official" doesn't make it any good.
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CONCLUSION
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Your system seems to have difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. 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 0:29:06 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: D-PC
OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware: All Series, ASUS, ASUSTeK COMPUTER INC., Z97-A
CPU: GenuineIntel Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz
Logical processors: 4
Processor groups: 1
RAM: 8135 MB total
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CPU SPEED
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Reported CPU speed: 3398.0 MHz
Measured CPU speed: 3979.0 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 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): 1877.685556
Average measured interrupt to process latency (µs): 1.949859
Highest measured interrupt to DPC latency (µs): 260.362754
Average measured interrupt to DPC latency (µs): 0.479334
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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): 282.882872
Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
Highest reported total ISR routine time (%): 0.060818
Driver with highest ISR total time: ataport.SYS - ATAPI Driver Extension, Microsoft Corporation
Total time spent in ISRs (%) 0.117352
ISR count (execution time <250 µs): 2420570
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 14
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): 532.912596
Driver with highest DPC routine execution time: ataport.SYS - ATAPI Driver Extension, Microsoft Corporation
Highest reported total DPC routine time (%): 0.038115
Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.
Total time spent in DPCs (%) 0.1330
DPC count (execution time <250 µs): 10495129
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 10
DPC count (execution time 1000-1999 µs): 0
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: svchost.exe
Total number of hard pagefaults 15120
Hard pagefault count of hardest hit process: 8032
Highest hard pagefault resolution time (µs): 829634.290759
Total time spent in hard pagefaults (%): 1.240653
Number of processes hit: 24
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 52.629518
CPU 0 ISR highest execution time (µs): 282.882872
CPU 0 ISR total execution time (s): 8.196663
CPU 0 ISR count: 2420584
CPU 0 DPC highest execution time (µs): 532.912596
CPU 0 DPC total execution time (s): 8.658791
CPU 0 DPC count: 10258015
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CPU 1 Interrupt cycle time (s): 27.591234
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): 180.323131
CPU 1 DPC total execution time (s): 0.213884
CPU 1 DPC count: 55637
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CPU 2 Interrupt cycle time (s): 5.839248
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): 112.665686
CPU 2 DPC total execution time (s): 0.150519
CPU 2 DPC count: 66344
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CPU 3 Interrupt cycle time (s): 17.073694
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): 148.477928
CPU 3 DPC total execution time (s): 0.266442
CPU 3 DPC count: 115143
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