1. #1

    Mitglied seit
    06.11.2019
    Beiträge
    11

    Latenz Test bei MS Surface

    Hallo Leutz...

    hat jemand ein Microsoft Surface 2 oder 3 Pro und könnte einen Test für mich machen?

    Und zwar heißen die testprogramme LatencyMon und DPC Latency Checker...

    mit diesem Gratistools kann man messen, ob ein Gerät für Echtzeitaudioverbeitung geeignet ist befinden sich die Programme bei der Analyse im grünen Bereich ist alles Top!
    das wäre wirklich toll und mir mir dabei helfen, ob ich mir ein Surface
    bei Ebay schieße oder nicht ... ach oder ihr hab vielleicht eins zu verkaufen?

    Liebe Grüße und Dankeschön für die Unterstützung...

    Knut

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  2. #2

    Mitglied seit
    06.11.2019
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    AW: Latenz Test bei MS Surface

    Hat niemand mehr solche Tablets? Oder kann keiner was anfangen mit DPC Latenzen?

  3. #3

    Mitglied seit
    30.07.2011
    Beiträge
    3.784

    AW: Latenz Test bei MS Surface

    Hier ist halt kein Echtzeit-Forum und wer solche (alten) Tablets noch nutzt dürfte wohl eher die Leute zählen, die tagsüber arbeiten müssen.

    DPC Latency Checker liefert auf meinem Surface Pro 2 (i5-4200U, 4GB Ram, 128GB SSD, Akkubetrieb, Win 10 1903, WLan 5GHz aktiv).
    Currect Latency: 1032 µs - 1072 µs
    Max: 1072 µs

    Die Werte sind erwartungsgemäß Schwachsinn. Sowohl auf der Herstellerseite wie auch hier
    DPC latency tests. High latency? Solved - Windows 10 Forums
    steht, dass das Programm unter Win 10 (und Win 8) keine sinvollen Werte liefert.

    Warum man LatencyMon installieren muss, weiss wohl nur der Programmierer. Aber heute muss ja jedes Tool irgendwelche nutzlosen Spuren hinterlassen.

    Code:
    _________________________________________________________________________________________________________
    CONCLUSION
    _________________________________________________________________________________________________________
    Your system appears to be suitable for handling real-time audio and other tasks without dropouts. 
    LatencyMon has been analyzing your system for  0:01:02  (h:mm:ss) on all processors.
    
    
    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name:                                        
    OS version:                                           Windows 10 , 10.0, version 1903, build: 18362 (x64)
    Hardware:                                             Surface Pro 2, Microsoft Corporation
    CPU:                                                  GenuineIntel Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz
    Logical processors:                                   4
    Processor groups:                                     1
    RAM:                                                  4016 MB total
    
    
    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed:                                   2295 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):   520,80
    Average measured interrupt to process latency (µs):   19,030703
    
    Highest measured interrupt to DPC latency (µs):       481,0
    Average measured interrupt to DPC latency (µs):       4,326881
    
    
    _________________________________________________________________________________________________________
     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):              61,368627
    Driver with highest ISR routine execution time:       Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
    
    Highest reported total ISR routine time (%):          0,002284
    Driver with highest ISR total time:                   ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Total time spent in ISRs (%)                          0,002691
    
    ISR count (execution time <250 µs):                   315
    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
    
    
    _________________________________________________________________________________________________________
    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):              514,959477
    Driver with highest DPC routine execution time:       ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Highest reported total DPC routine time (%):          0,016712
    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 (%)                          0,066020
    
    DPC count (execution time <250 µs):                   12011
    DPC count (execution time 250-500 µs):                0
    DPC count (execution time 500-999 µs):                51
    DPC count (execution time 1000-1999 µs):              0
    DPC count (execution time 2000-3999 µs):              0
    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:                 svchost.exe
    
    Total number of hard pagefaults                       8
    Hard pagefault count of hardest hit process:          3
    Number of processes hit:                              5
    
    
    _________________________________________________________________________________________________________
     PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s):                       0,462273
    CPU 0 ISR highest execution time (µs):                61,368627
    CPU 0 ISR total execution time (s):                   0,006559
    CPU 0 ISR count:                                      290
    CPU 0 DPC highest execution time (µs):                514,959477
    CPU 0 DPC total execution time (s):                   0,131010
    CPU 0 DPC count:                                      10463
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s):                       0,309453
    CPU 1 ISR highest execution time (µs):                5,902832
    CPU 1 ISR total execution time (s):                   0,000067
    CPU 1 ISR count:                                      14
    CPU 1 DPC highest execution time (µs):                262,886275
    CPU 1 DPC total execution time (s):                   0,005615
    CPU 1 DPC count:                                      274
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s):                       0,221150
    CPU 2 ISR highest execution time (µs):                6,358606
    CPU 2 ISR total execution time (s):                   0,000006
    CPU 2 ISR count:                                      1
    CPU 2 DPC highest execution time (µs):                54,694118
    CPU 2 DPC total execution time (s):                   0,003692
    CPU 2 DPC count:                                      140
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s):                       0,204164
    CPU 3 ISR highest execution time (µs):                9,941612
    CPU 3 ISR total execution time (s):                   0,000051
    CPU 3 ISR count:                                      10
    CPU 3 DPC highest execution time (µs):                109,798693
    CPU 3 DPC total execution time (s):                   0,023620
    CPU 3 DPC count:                                      1185
    _________________________________________________________________________________________________________

  4. #4

    Mitglied seit
    06.11.2019
    Beiträge
    11

    AW: Latenz Test bei MS Surface

    Top! Danke für deinen Test....Das sieht ja tatsächlich ganz gut aus! Auf wieviel speicher kann man das Teil maximal erweitern?

    Also ich hätte eventuell erwähnen müssen, dass der Test so ca 10 Minuten laufen müsste um ein realistisches Abbild zu bekommen.. wärest du nochmal bereit das zu machen? *lieb guck*

    dpc latency checker (das andere Programm) muss nicht installiert werden...

    Schönes Wochenende wünsche ich jedenfalls schonmal...



    Viele Grüße

    Knut
    Geändert von ToOoT (08.11.2019 um 07:56 Uhr)

  5. #5

    Mitglied seit
    30.07.2011
    Beiträge
    3.784

    AW: Latenz Test bei MS Surface

    Zitat Zitat von ToOoT Beitrag anzeigen
    Auf wieviel speicher kann man das Teil maximal erweitern?
    Garnicht, wenn Du es nicht zerstören möchtest:
    Surface Pro 3 SSD Upgrade: Surface Pro 3 SSD Upgrade I7 with 1 TB SSD!!!

    MS finanziert die Geräte über unverschämte Preise für größere Modfelle (300€ Aufpreis von 256 GB auf 512 GB SSD). Da hilft nur die richtige Version zu kaufen, Surface Pro 3 mit 8/256 nicht derzeit nicht gerade selten und dafür recht günstig, wenn einen die Eigenheiten nicht stören.

    Dir sollte aber klar sein, dass
    (a) es sich beim Pro2 und Pro3 um recht alte Geräte handelt, die Akkulaufzeit also nur noch dann sehr gut ist, wenn es ein Gerät von Privat mit wenig Nutzung ist, dessen Akku auch recth gut behandelt wurde.
    (b) das Pro2 und Pro3 einen Lüfter haben, der auch nicht unhörbar bleibt, wenn man die Rechenleistung der CPU nutzt
    (c) der Akku genauso wie Ram/SSD nicht wechselbar ist.

    Falls Du ein günstiges 10,8" (16:9) lüfterloses Windows-Tablet suchst, bei dem man wenigstens SSD und Akku tauschen kann, solltest Du Dir mal des Dell Venue 11 Pro 7140 ansehen. nicht aber das 7130/7139/51xx. Die 713x sind nicht lüfterlos, das 51xx hat eine lahme Atom-CPU und ist m.W.n. nicht erweiterbar.

    Das 7140 (mit 4GB Ram und 128GB SSD) ist derzeit für 160-200€ zu bekommen und hat für mich als einzigen Nachteil zum Surface Pro 2 keinen integrierten Ständer.

    Zitat Zitat von ToOoT Beitrag anzeigen
    Also ich hätte eventuell erwähnen müssen, dass der Test so ca 10 Minuten laufen müsste um ein realistisches Abbild zu bekommen..
    Das ist genauso (un)realistisch wie der Test über eine Minute. Man kann an Windows soviel kaputt konfigurieren, dass diese Tests nur zeigen, wie das Gerät mit meiner zufällig gewählten Config reagiert.

    Da schlägt der Screensaver zu (Log vom Dell nach 10 Min.), das Tablet aktiviert während dem Test das WLan, Windows führt irgendeinen Task im Hintergrund aus oder es sind unterschiedliche Energieprofile eingestellt.

    Alles Dinge, die man bei einer echten Nutzung für solche Anwendungen halt einfach passend einstellt, ich jetzt aber mit Sicherheit weder verdrehe noch langwierig analysiere (die 904,0 µs beim SPro war ein einziger unbekannter Task, vermutlich exakt nach 10 Min oder zu einer spezielen Uhrzeit). Ich kann beide Tablets problemlos als WLan-Fernseher nutzen, mehr "Echtzeitfähigkeiten" benötige ich nicht.

    Zitat Zitat von ToOoT Beitrag anzeigen
    dpc latency checker (das andere Programm) muss nicht installiert werden...
    Es liefert aber laut den beiden angegebenen Links Schwachsinnige Ergebnisse, und das seit Win 8.

    Der Witz ist eher, dass auch LatencyMon nicht installiert werden muss. Hat man die Dateien einmal extrahiert, kann man einfach den Programmordner kopieren.

    Dell Venue 11 Pro 7140 (Intel Core M 5Y10)
    Code:
    _________________________________________________________________________________________________________
    CONCLUSION
    _________________________________________________________________________________________________________
    Your system appears to be suitable for handling real-time audio and other tasks without dropouts. 
    LatencyMon has been analyzing your system for  0:11:55  (h:mm:ss) on all processors.
    
    
    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name:                                        
    OS version:                                           Windows 10 , 10.0, version 1903, build: 18362 (x64)
    Hardware:                                             Venue 11 Pro 7140, Dell Inc., 0321KP
    CPU:                                                  GenuineIntel Intel(R) Processor 5Y10 CPU @ 0.80GHz
    Logical processors:                                   4
    Processor groups:                                     1
    RAM:                                                  3979 MB total
    
    
    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed:                                   998 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):   499,40
    Average measured interrupt to process latency (µs):   17,573985
    
    Highest measured interrupt to DPC latency (µs):       485,10
    Average measured interrupt to DPC latency (µs):       5,095786
    
    
    _________________________________________________________________________________________________________
     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):              105,200401
    Driver with highest ISR routine execution time:       ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Highest reported total ISR routine time (%):          0,013308
    Driver with highest ISR total time:                   ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Total time spent in ISRs (%)                          0,013616
    
    ISR count (execution time <250 µs):                   10069
    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
    
    
    _________________________________________________________________________________________________________
    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):              580,170341
    Driver with highest DPC routine execution time:       NDIS.SYS - NDIS (Network Driver Interface Specification), Microsoft Corporation
    
    Highest reported total DPC routine time (%):          0,016646
    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 (%)                          0,084099
    
    DPC count (execution time <250 µs):                   226326
    DPC count (execution time 250-500 µs):                0
    DPC count (execution time 500-999 µs):                229
    DPC count (execution time 1000-1999 µs):              0
    DPC count (execution time 2000-3999 µs):              0
    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:                 lockapp.exe
    
    Total number of hard pagefaults                       1650
    Hard pagefault count of hardest hit process:          168
    Number of processes hit:                              44
    
    
    _________________________________________________________________________________________________________
     PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s):                       6,900522
    CPU 0 ISR highest execution time (µs):                105,200401
    CPU 0 ISR total execution time (s):                   0,389301
    CPU 0 ISR count:                                      10021
    CPU 0 DPC highest execution time (µs):                580,170341
    CPU 0 DPC total execution time (s):                   1,982038
    CPU 0 DPC count:                                      198742
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s):                       2,729183
    CPU 1 ISR highest execution time (µs):                5,020040
    CPU 1 ISR total execution time (s):                   0,000114
    CPU 1 ISR count:                                      29
    CPU 1 DPC highest execution time (µs):                446,708417
    CPU 1 DPC total execution time (s):                   0,073138
    CPU 1 DPC count:                                      4862
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s):                       2,907278
    CPU 2 ISR highest execution time (µs):                4,180361
    CPU 2 ISR total execution time (s):                   0,000033
    CPU 2 ISR count:                                      12
    CPU 2 DPC highest execution time (µs):                307,184369
    CPU 2 DPC total execution time (s):                   0,242822
    CPU 2 DPC count:                                      15013
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s):                       2,228689
    CPU 3 ISR highest execution time (µs):                5,831663
    CPU 3 ISR total execution time (s):                   0,000029
    CPU 3 ISR count:                                      7
    CPU 3 DPC highest execution time (µs):                330,951904
    CPU 3 DPC total execution time (s):                   0,107605
    CPU 3 DPC count:                                      7938
    _________________________________________________________________________________________________________
    Surface Pro 2 (Intel i5-4200U)
    Code:
    _________________________________________________________________________________________________________
    CONCLUSION
    _________________________________________________________________________________________________________
    Your system appears to be suitable for handling real-time audio and other tasks without dropouts. 
    LatencyMon has been analyzing your system for  0:12:56  (h:mm:ss) on all processors.
    
    
    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name:                                        
    OS version:                                           Windows 10 , 10.0, version 1903, build: 18362 (x64)
    Hardware:                                             Surface Pro 2, Microsoft Corporation
    CPU:                                                  GenuineIntel Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz
    Logical processors:                                   4
    Processor groups:                                     1
    RAM:                                                  4016 MB total
    
    
    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed:                                   2295 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):   904,0
    Average measured interrupt to process latency (µs):   18,070669
    
    Highest measured interrupt to DPC latency (µs):       444,20
    Average measured interrupt to DPC latency (µs):       4,055490
    
    
    _________________________________________________________________________________________________________
     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):              68,714161
    Driver with highest ISR routine execution time:       ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Highest reported total ISR routine time (%):          0,000577
    Driver with highest ISR total time:                   ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Total time spent in ISRs (%)                          0,000872
    
    ISR count (execution time <250 µs):                   2117
    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
    
    
    _________________________________________________________________________________________________________
    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):              518,121569
    Driver with highest DPC routine execution time:       ACPI.sys - ACPI-Treiber für NT, Microsoft Corporation
    
    Highest reported total DPC routine time (%):          0,030260
    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 (%)                          0,070944
    
    DPC count (execution time <250 µs):                   252658
    DPC count (execution time 250-500 µs):                0
    DPC count (execution time 500-999 µs):                153
    DPC count (execution time 1000-1999 µs):              0
    DPC count (execution time 2000-3999 µs):              0
    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:                 svchost.exe
    
    Total number of hard pagefaults                       940
    Hard pagefault count of hardest hit process:          314
    Number of processes hit:                              28
    
    
    _________________________________________________________________________________________________________
     PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s):                       5,913529
    CPU 0 ISR highest execution time (µs):                68,714161
    CPU 0 ISR total execution time (s):                   0,026034
    CPU 0 ISR count:                                      1918
    CPU 0 DPC highest execution time (µs):                518,121569
    CPU 0 DPC total execution time (s):                   2,010964
    CPU 0 DPC count:                                      243218
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s):                       3,090448
    CPU 1 ISR highest execution time (µs):                9,064488
    CPU 1 ISR total execution time (s):                   0,000867
    CPU 1 ISR count:                                      170
    CPU 1 DPC highest execution time (µs):                98,141176
    CPU 1 DPC total execution time (s):                   0,036585
    CPU 1 DPC count:                                      2316
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s):                       2,453970
    CPU 2 ISR highest execution time (µs):                7,882353
    CPU 2 ISR total execution time (s):                   0,000090
    CPU 2 ISR count:                                      17
    CPU 2 DPC highest execution time (µs):                502,797821
    CPU 2 DPC total execution time (s):                   0,083192
    CPU 2 DPC count:                                      4176
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s):                       2,654439
    CPU 3 ISR highest execution time (µs):                7,270588
    CPU 3 ISR total execution time (s):                   0,000064
    CPU 3 ISR count:                                      12
    CPU 3 DPC highest execution time (µs):                164,031808
    CPU 3 DPC total execution time (s):                   0,071527
    CPU 3 DPC count:                                      3101
    _________________________________________________________________________________________________________

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  6. #6

    Mitglied seit
    06.11.2019
    Beiträge
    11

    AW: Latenz Test bei MS Surface

    Diese Programme zum Testen der Latenz wurden schon Speziell dafür programmiert, um zu testen, ob ein System Audioechtzeitverarbeitung hinbekommt oder nicht.
    Altbewährte Methode...

    Jedenfalls bedanke ich mich vielmals für deine Mühe. Das hat mich ein ganzes Stück vorangebracht...

    Schönes Wochenende!!

    VG aus HH-City
    Geändert von ToOoT (14.11.2019 um 12:01 Uhr)

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