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- Sep 13, 2022
- 2
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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. 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 0:01:57 (h:mm:ss) on processors 0,1,2,3,4 and 5.
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SYSTEM INFORMATION
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Computer name: WIN-4VLT3IF0IJS
OS version: Windows 10 , 10.0, version 1809, build: 17763 (x64)
Hardware: INTEL, X79
CPU: GenuineIntel Intel(R) Xeon(R) CPU E5-2420 0 @ 1.90GHz
Logical processors: 12
Processor groups: 1
RAM: 8114 MB total
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CPU SPEED
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Reported CPU speed: 1896 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.
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): 2663,40
Average measured interrupt to process latency (µs): 8,997331
Highest measured interrupt to DPC latency (µs): 1151,20
Average measured interrupt to DPC latency (µs): 1,934441
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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): 38,623945
Driver with highest ISR routine execution time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Highest reported total ISR routine time (%): 0,001372
Driver with highest ISR total time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Total time spent in ISRs (%) 0,001372
ISR count (execution time <250 µs): 3599
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): 1401,314346
Driver with highest DPC routine execution time: ndis.sys - NDIS (Network Driver Interface Specification), Microsoft Corporation
Highest reported total DPC routine time (%): 0,044214
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 (%) 0,090154
DPC count (execution time <250 µs): 311462
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 253
DPC count (execution time 1000-1999 µs): 7
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: browser.exe
Total number of hard pagefaults 66
Hard pagefault count of hardest hit process: 62
Number of processes hit: 2
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 2,729713
CPU 0 ISR highest execution time (µs): 38,623945
CPU 0 ISR total execution time (s): 0,018181
CPU 0 ISR count: 3405
CPU 0 DPC highest execution time (µs): 1401,314346
CPU 0 DPC total execution time (s): 1,218174
CPU 0 DPC count: 308972
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CPU 1 Interrupt cycle time (s): 0,825495
CPU 1 ISR highest execution time (µs): 23,375527
CPU 1 ISR total execution time (s): 0,000620
CPU 1 ISR count: 112
CPU 1 DPC highest execution time (µs): 1017,569620
CPU 1 DPC total execution time (s): 0,015573
CPU 1 DPC count: 711
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CPU 2 Interrupt cycle time (s): 1,001847
CPU 2 ISR highest execution time (µs): 13,685654
CPU 2 ISR total execution time (s): 0,000459
CPU 2 ISR count: 82
CPU 2 DPC highest execution time (µs): 184,679325
CPU 2 DPC total execution time (s): 0,017443
CPU 2 DPC count: 1261
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CPU 3 Interrupt cycle time (s): 0,729554
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): 36,544304
CPU 3 DPC total execution time (s): 0,000334
CPU 3 DPC count: 43
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CPU 4 Interrupt cycle time (s): 0,894008
CPU 4 ISR highest execution time (µs): 0,0
CPU 4 ISR total execution time (s): 0,0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 489,523207
CPU 4 DPC total execution time (s): 0,013744
CPU 4 DPC count: 694
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CPU 5 Interrupt cycle time (s): 0,697654
CPU 5 ISR highest execution time (µs): 0,0
CPU 5 ISR total execution time (s): 0,0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 156,143460
CPU 5 DPC total execution time (s): 0,000663
CPU 5 DPC count: 41
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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. 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 0:01:57 (h:mm:ss) on processors 0,1,2,3,4 and 5.
_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name: WIN-4VLT3IF0IJS
OS version: Windows 10 , 10.0, version 1809, build: 17763 (x64)
Hardware: INTEL, X79
CPU: GenuineIntel Intel(R) Xeon(R) CPU E5-2420 0 @ 1.90GHz
Logical processors: 12
Processor groups: 1
RAM: 8114 MB total
_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed: 1896 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.
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.
_________________________________________________________________________________________________________
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): 2663,40
Average measured interrupt to process latency (µs): 8,997331
Highest measured interrupt to DPC latency (µs): 1151,20
Average measured interrupt to DPC latency (µs): 1,934441
_________________________________________________________________________________________________________
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): 38,623945
Driver with highest ISR routine execution time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Highest reported total ISR routine time (%): 0,001372
Driver with highest ISR total time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Total time spent in ISRs (%) 0,001372
ISR count (execution time <250 µs): 3599
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): 1401,314346
Driver with highest DPC routine execution time: ndis.sys - NDIS (Network Driver Interface Specification), Microsoft Corporation
Highest reported total DPC routine time (%): 0,044214
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 (%) 0,090154
DPC count (execution time <250 µs): 311462
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 253
DPC count (execution time 1000-1999 µs): 7
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: browser.exe
Total number of hard pagefaults 66
Hard pagefault count of hardest hit process: 62
Number of processes hit: 2
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 2,729713
CPU 0 ISR highest execution time (µs): 38,623945
CPU 0 ISR total execution time (s): 0,018181
CPU 0 ISR count: 3405
CPU 0 DPC highest execution time (µs): 1401,314346
CPU 0 DPC total execution time (s): 1,218174
CPU 0 DPC count: 308972
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CPU 1 Interrupt cycle time (s): 0,825495
CPU 1 ISR highest execution time (µs): 23,375527
CPU 1 ISR total execution time (s): 0,000620
CPU 1 ISR count: 112
CPU 1 DPC highest execution time (µs): 1017,569620
CPU 1 DPC total execution time (s): 0,015573
CPU 1 DPC count: 711
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CPU 2 Interrupt cycle time (s): 1,001847
CPU 2 ISR highest execution time (µs): 13,685654
CPU 2 ISR total execution time (s): 0,000459
CPU 2 ISR count: 82
CPU 2 DPC highest execution time (µs): 184,679325
CPU 2 DPC total execution time (s): 0,017443
CPU 2 DPC count: 1261
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CPU 3 Interrupt cycle time (s): 0,729554
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): 36,544304
CPU 3 DPC total execution time (s): 0,000334
CPU 3 DPC count: 43
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CPU 4 Interrupt cycle time (s): 0,894008
CPU 4 ISR highest execution time (µs): 0,0
CPU 4 ISR total execution time (s): 0,0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 489,523207
CPU 4 DPC total execution time (s): 0,013744
CPU 4 DPC count: 694
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CPU 5 Interrupt cycle time (s): 0,697654
CPU 5 ISR highest execution time (µs): 0,0
CPU 5 ISR total execution time (s): 0,0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 156,143460
CPU 5 DPC total execution time (s): 0,000663
CPU 5 DPC count: 41
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