J'ai testé Lattency Mon, voici le rapport (avec windows update qui tournait dérrière) :
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CONCLUSION
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Your system appears to be suitable for handling real-time audio and other tasks without dropouts.
LatencyMon has been analyzing your system for 0:00:30 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: DESKTOP-ETELIAB
OS version: Windows 10, 10.0, version 2004, build: 19041 (x64)
Hardware: GS75 Stealth 9SD, Micro-Star International Co., Ltd.
CPU: GenuineIntel Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Logical processors: 12
Processor groups: 1
RAM: 16227 MB total
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CPU SPEED
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Reported CPU speed: 2592 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
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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): 129,60
Average measured interrupt to process latency (µs): 7,912154
Highest measured interrupt to DPC latency (µs): 85,40
Average measured interrupt to DPC latency (µs): 2,516202
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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): 81,131173
Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
Highest reported total ISR routine time (%): 0,000519
Driver with highest ISR total time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
Total time spent in ISRs (%) 0,000578
ISR count (execution time <250 µs): 145
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 0
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 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): 310,177469
Driver with highest DPC routine execution time: tcpip.sys - Pilote TCP/IP, Microsoft Corporation
Highest reported total DPC routine time (%): 0,002086
Driver with highest DPC total execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation
Total time spent in DPCs (%) 0,010033
DPC count (execution time <250 µs): 6044
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 1
DPC count (execution time 1000-2000 µs): 0
DPC count (execution time 2000-4000 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: msmpeng.exe
Total number of hard pagefaults 55
Hard pagefault count of hardest hit process: 41
Number of processes hit: 3
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 0,207802
CPU 0 ISR highest execution time (µs): 81,131173
CPU 0 ISR total execution time (s): 0,002105
CPU 0 ISR count: 145
CPU 0 DPC highest execution time (µs): 138,618056
CPU 0 DPC total execution time (s): 0,015322
CPU 0 DPC count: 3911
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CPU 1 Interrupt cycle time (s): 0,325516
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): 66,302469
CPU 1 DPC total execution time (s): 0,000523
CPU 1 DPC count: 72
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CPU 2 Interrupt cycle time (s): 0,264347
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): 93,421296
CPU 2 DPC total execution time (s): 0,000706
CPU 2 DPC count: 124
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CPU 3 Interrupt cycle time (s): 0,275301
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): 108,104938
CPU 3 DPC total execution time (s): 0,001039
CPU 3 DPC count: 92
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CPU 4 Interrupt cycle time (s): 0,248205
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): 310,177469
CPU 4 DPC total execution time (s): 0,001665
CPU 4 DPC count: 112
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CPU 5 Interrupt cycle time (s): 0,270846
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): 116,792438
CPU 5 DPC total execution time (s): 0,006952
CPU 5 DPC count: 798
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CPU 6 Interrupt cycle time (s): 0,197072
CPU 6 ISR highest execution time (µs): 0,0
CPU 6 ISR total execution time (s): 0,0
CPU 6 ISR count: 0
CPU 6 DPC highest execution time (µs): 67,706790
CPU 6 DPC total execution time (s): 0,000461
CPU 6 DPC count: 59
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CPU 7 Interrupt cycle time (s): 0,188862
CPU 7 ISR highest execution time (µs): 0,0
CPU 7 ISR total execution time (s): 0,0
CPU 7 ISR count: 0
CPU 7 DPC highest execution time (µs): 57,253858
CPU 7 DPC total execution time (s): 0,000169
CPU 7 DPC count: 10
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CPU 8 Interrupt cycle time (s): 0,177510
CPU 8 ISR highest execution time (µs): 0,0
CPU 8 ISR total execution time (s): 0,0
CPU 8 ISR count: 0
CPU 8 DPC highest execution time (µs): 78,445216
CPU 8 DPC total execution time (s): 0,000384
CPU 8 DPC count: 35
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CPU 9 Interrupt cycle time (s): 0,171541
CPU 9 ISR highest execution time (µs): 0,0
CPU 9 ISR total execution time (s): 0,0
CPU 9 ISR count: 0
CPU 9 DPC highest execution time (µs): 50,017747
CPU 9 DPC total execution time (s): 0,000664
CPU 9 DPC count: 85
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CPU 10 Interrupt cycle time (s): 0,197406
CPU 10 ISR highest execution time (µs): 0,0
CPU 10 ISR total execution time (s): 0,0
CPU 10 ISR count: 0
CPU 10 DPC highest execution time (µs): 74,393519
CPU 10 DPC total execution time (s): 0,001295
CPU 10 DPC count: 90
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CPU 11 Interrupt cycle time (s): 0,190169
CPU 11 ISR highest execution time (µs): 0,0
CPU 11 ISR total execution time (s): 0,0
CPU 11 ISR count: 0
CPU 11 DPC highest execution time (µs): 109,733025
CPU 11 DPC total execution time (s): 0,007335
CPU 11 DPC count: 657
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