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- 20.09.2016
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Ich habe seit letzter Woche einen neuen Surface Laptop 3 und nutze die DJ-Software Native Instruments Traktor 3 zusammen mit dem Hardware DJ Mixer Traktor Kontrol Z2.
Leider kommt es bei der Nutzung der DJ-Software zu Latenz-Problemen: Konkret kommt es bei der Audioausgabe immer wieder zu unschönen Drop-Outs / Clicks / Glitches.
Laut dem Tool LatencyMon werden die Latenzprobleme durch den Prozess/Treiber "Wdf01000.sys" verursacht. Nach kurzer Recherche, scheint dieses ein häufigeres Problem auch bei Nicht-Surface-Geräten zu sein.
Betriebssystem, DJ-Software und Mixer-Firmware sind auf dem aktuellsten Stand.
Was kann ich tun?
----
Nachfolgend die Systeminformatione und der Report von LatencyMon:
Betriebsystemname Microsoft Windows 10 Pro
Version 10.0.18362 Build 18362
Weitere Betriebsystembeschreibung Nicht verfügbar
Betriebsystemhersteller Microsoft Corporation
Systemhersteller Microsoft Corporation
Systemmodell Surface Laptop 3
Systemtyp x64-basierter PC
System-SKU Surface_Laptop_3_1867:1868
Prozessor Intel(R) Core(TM) i5-1035G7 CPU @ 1.20GHz, 1498 MHz, 4 Kern(e), 8 logische(r) Prozessor(en)
BIOS-Version/-Datum Microsoft Corporation 7.100.140, 20.12.2019
SMBIOS-Version 3.2
Version des eingebetteten Controllers 255.255
BIOS-Modus UEFI
BaseBoard-Hersteller Microsoft Corporation
BaseBoard-Produkt Surface Laptop 3
BaseBoard-Version Nicht verfügbar
Plattformrolle Slate
Sicherer Startzustand Ein
PCR7-Konfiguration Erweiterung zum Anzeigen erforderlich
Windows-Verzeichnis C:\windows
Systemverzeichnis C:\windows\system32
Startgerät \Device\HarddiskVolume1
Gebietsschema Deutschland
Hardwareabstraktionsebene Version = "10.0.18362.752"
Zeitzone Mitteleuropäische Sommerzeit
Installierter physischer Speicher (RAM) 16,0 GB
---
_
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 or more DPC routines that belong to a driver running in your system appear to be executing for too long. Also one or more ISR routines that belong to a driver running in your system appear to be executing for too long. 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 1:22:22 (h:mm:ss) on all processors.
_
SYSTEM INFORMATION
_
Computer name: X
OS version: Windows 10 , 10.0, version 1903, build: 18362 (x64)
Hardware: Surface Laptop 3, Microsoft Corporation
CPU: GenuineIntel Intel(R) Core(TM) i5-1035G7 CPU @ 1.20GHz
Logical processors: 8
Processor groups: 1
RAM: 15974 MB total
_
CPU SPEED
_
Reported CPU speed: 1498 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): 3663,20
Average measured interrupt to process latency (µs): 6,044184
Highest measured interrupt to DPC latency (µs): 3648,90
Average measured interrupt to DPC latency (µs): 2,430879
_
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): 3452,043391
Driver with highest ISR routine execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Highest reported total ISR routine time (%): 0,040326
Driver with highest ISR total time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Total time spent in ISRs (%) 0,040326
ISR count (execution time <250 µs): 2938327
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): 14
ISR count (execution time >=4000 µs): 0
_
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): 3798,819760
Driver with highest DPC routine execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Highest reported total DPC routine time (%): 0,294614
Driver with highest DPC total execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Total time spent in DPCs (%) 0,370889
DPC count (execution time <250 µs): 13575779
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1695
DPC count (execution time 1000-1999 µs): 40
DPC count (execution time 2000-3999 µs): 300
DPC count (execution time >=4000 µs): 0
_
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: system
Total number of hard pagefaults 41013
Hard pagefault count of hardest hit process: 4564
Number of processes hit: 72
_
PER CPU DATA
_
CPU 0 Interrupt cycle time (s): 370,255170
CPU 0 ISR highest execution time (µs): 3452,043391
CPU 0 ISR total execution time (s): 15,939768
CPU 0 ISR count: 2937377
CPU 0 DPC highest execution time (µs): 3798,819760
CPU 0 DPC total execution time (s): 144,093582
CPU 0 DPC count: 13315602
_
CPU 1 Interrupt cycle time (s): 204,702171
CPU 1 ISR highest execution time (µs): 126,040721
CPU 1 ISR total execution time (s): 0,003662
CPU 1 ISR count: 963
CPU 1 DPC highest execution time (µs): 463,619493
CPU 1 DPC total execution time (s): 1,023578
CPU 1 DPC count: 42068
_
CPU 2 Interrupt cycle time (s): 105,616947
CPU 2 ISR highest execution time (µs): 56,870494
CPU 2 ISR total execution time (s): 0,000057
CPU 2 ISR count: 1
CPU 2 DPC highest execution time (µs): 320,946595
CPU 2 DPC total execution time (s): 0,348937
CPU 2 DPC count: 42799
_
CPU 3 Interrupt cycle time (s): 108,281555
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): 162,403204
CPU 3 DPC total execution time (s): 0,048247
CPU 3 DPC count: 7614
_
CPU 4 Interrupt cycle time (s): 219,034393
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): 322,054740
CPU 4 DPC total execution time (s): 0,737486
CPU 4 DPC count: 69509
_
CPU 5 Interrupt cycle time (s): 319,923664
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): 126,173565
CPU 5 DPC total execution time (s): 0,024053
CPU 5 DPC count: 4196
_
CPU 6 Interrupt cycle time (s): 208,220072
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): 248,449266
CPU 6 DPC total execution time (s): 0,127166
CPU 6 DPC count: 15761
_
CPU 7 Interrupt cycle time (s): 280,932503
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): 593,148865
CPU 7 DPC total execution time (s): 0,232103
CPU 7 DPC count: 80265
Leider kommt es bei der Nutzung der DJ-Software zu Latenz-Problemen: Konkret kommt es bei der Audioausgabe immer wieder zu unschönen Drop-Outs / Clicks / Glitches.
Laut dem Tool LatencyMon werden die Latenzprobleme durch den Prozess/Treiber "Wdf01000.sys" verursacht. Nach kurzer Recherche, scheint dieses ein häufigeres Problem auch bei Nicht-Surface-Geräten zu sein.
Betriebssystem, DJ-Software und Mixer-Firmware sind auf dem aktuellsten Stand.
Was kann ich tun?
----
Nachfolgend die Systeminformatione und der Report von LatencyMon:
Betriebsystemname Microsoft Windows 10 Pro
Version 10.0.18362 Build 18362
Weitere Betriebsystembeschreibung Nicht verfügbar
Betriebsystemhersteller Microsoft Corporation
Systemhersteller Microsoft Corporation
Systemmodell Surface Laptop 3
Systemtyp x64-basierter PC
System-SKU Surface_Laptop_3_1867:1868
Prozessor Intel(R) Core(TM) i5-1035G7 CPU @ 1.20GHz, 1498 MHz, 4 Kern(e), 8 logische(r) Prozessor(en)
BIOS-Version/-Datum Microsoft Corporation 7.100.140, 20.12.2019
SMBIOS-Version 3.2
Version des eingebetteten Controllers 255.255
BIOS-Modus UEFI
BaseBoard-Hersteller Microsoft Corporation
BaseBoard-Produkt Surface Laptop 3
BaseBoard-Version Nicht verfügbar
Plattformrolle Slate
Sicherer Startzustand Ein
PCR7-Konfiguration Erweiterung zum Anzeigen erforderlich
Windows-Verzeichnis C:\windows
Systemverzeichnis C:\windows\system32
Startgerät \Device\HarddiskVolume1
Gebietsschema Deutschland
Hardwareabstraktionsebene Version = "10.0.18362.752"
Zeitzone Mitteleuropäische Sommerzeit
Installierter physischer Speicher (RAM) 16,0 GB
---
_
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 or more DPC routines that belong to a driver running in your system appear to be executing for too long. Also one or more ISR routines that belong to a driver running in your system appear to be executing for too long. 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 1:22:22 (h:mm:ss) on all processors.
_
SYSTEM INFORMATION
_
Computer name: X
OS version: Windows 10 , 10.0, version 1903, build: 18362 (x64)
Hardware: Surface Laptop 3, Microsoft Corporation
CPU: GenuineIntel Intel(R) Core(TM) i5-1035G7 CPU @ 1.20GHz
Logical processors: 8
Processor groups: 1
RAM: 15974 MB total
_
CPU SPEED
_
Reported CPU speed: 1498 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): 3663,20
Average measured interrupt to process latency (µs): 6,044184
Highest measured interrupt to DPC latency (µs): 3648,90
Average measured interrupt to DPC latency (µs): 2,430879
_
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): 3452,043391
Driver with highest ISR routine execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Highest reported total ISR routine time (%): 0,040326
Driver with highest ISR total time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Total time spent in ISRs (%) 0,040326
ISR count (execution time <250 µs): 2938327
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): 14
ISR count (execution time >=4000 µs): 0
_
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): 3798,819760
Driver with highest DPC routine execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Highest reported total DPC routine time (%): 0,294614
Driver with highest DPC total execution time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
Total time spent in DPCs (%) 0,370889
DPC count (execution time <250 µs): 13575779
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 1695
DPC count (execution time 1000-1999 µs): 40
DPC count (execution time 2000-3999 µs): 300
DPC count (execution time >=4000 µs): 0
_
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: system
Total number of hard pagefaults 41013
Hard pagefault count of hardest hit process: 4564
Number of processes hit: 72
_
PER CPU DATA
_
CPU 0 Interrupt cycle time (s): 370,255170
CPU 0 ISR highest execution time (µs): 3452,043391
CPU 0 ISR total execution time (s): 15,939768
CPU 0 ISR count: 2937377
CPU 0 DPC highest execution time (µs): 3798,819760
CPU 0 DPC total execution time (s): 144,093582
CPU 0 DPC count: 13315602
_
CPU 1 Interrupt cycle time (s): 204,702171
CPU 1 ISR highest execution time (µs): 126,040721
CPU 1 ISR total execution time (s): 0,003662
CPU 1 ISR count: 963
CPU 1 DPC highest execution time (µs): 463,619493
CPU 1 DPC total execution time (s): 1,023578
CPU 1 DPC count: 42068
_
CPU 2 Interrupt cycle time (s): 105,616947
CPU 2 ISR highest execution time (µs): 56,870494
CPU 2 ISR total execution time (s): 0,000057
CPU 2 ISR count: 1
CPU 2 DPC highest execution time (µs): 320,946595
CPU 2 DPC total execution time (s): 0,348937
CPU 2 DPC count: 42799
_
CPU 3 Interrupt cycle time (s): 108,281555
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): 162,403204
CPU 3 DPC total execution time (s): 0,048247
CPU 3 DPC count: 7614
_
CPU 4 Interrupt cycle time (s): 219,034393
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): 322,054740
CPU 4 DPC total execution time (s): 0,737486
CPU 4 DPC count: 69509
_
CPU 5 Interrupt cycle time (s): 319,923664
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): 126,173565
CPU 5 DPC total execution time (s): 0,024053
CPU 5 DPC count: 4196
_
CPU 6 Interrupt cycle time (s): 208,220072
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): 248,449266
CPU 6 DPC total execution time (s): 0,127166
CPU 6 DPC count: 15761
_
CPU 7 Interrupt cycle time (s): 280,932503
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): 593,148865
CPU 7 DPC total execution time (s): 0,232103
CPU 7 DPC count: 80265
