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CONCLUSION
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 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 0:01:09 (h:mm:ss) on processor 1.
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SYSTEM INFORMATION
Computer name: SWAN-PC
OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware: Inspiron N5050, Dell Inc., 01HXXJ
CPU: GenuineIntel Intel(R) Core™ i3-2370M CPU @ 2.40GHz
Logical processors: 4
Processor groups: 1
RAM: 8100 MB total
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CPU SPEED
Reported CPU speed: 2394 MHz
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
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): 2380.589918
Average measured interrupt to process latency (µs): 4.834279
Highest measured interrupt to DPC latency (µs): 133.419086
Average measured interrupt to DPC latency (µs): 1.688818
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REPORTED ISRs
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): 0.0
Driver with highest ISR routine execution time:
Highest reported total ISR routine time (%): 0.0
Driver with highest ISR total time:
Total time spent in ISRs (%) 0.0
ISR count (execution time <250 µs): 0
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
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): 47.854637
Driver with highest DPC routine execution time: tcpip.sys - TCP/IP Driver, Microsoft Corporation
Highest reported total DPC routine time (%): 0.000463
Driver with highest DPC total execution time: tcpip.sys - TCP/IP Driver, Microsoft Corporation
Total time spent in DPCs (%) 0.000682
DPC count (execution time <250 µs): 226
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 0
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
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: msmpeng.exe
Total number of hard pagefaults 3
Hard pagefault count of hardest hit process: 3
Highest hard pagefault resolution time (µs): 4484.706767
Total time spent in hard pagefaults (%): 0.001755
Number of processes hit: 1
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PER CPU DATA
CPU 1 Interrupt cycle time (s): 0.217862
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): 47.854637
CPU 1 DPC total execution time (s): 0.001885
CPU 1 DPC count: 226
