[SOLVED] LatencyMon problem

[OnlyAlex]

Hi everyone, recently on my PC I have been watching YouTube videos whilst opening new tabs on Chrome and the PC freezes for a few seconds and the audio distorts. I have been doing some digging and I have download LatencyMon and it has shown there is some problems, but I am not sure how to interpret and resolve the issue. Can anyone help? Thanks!

_
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. 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 0:04:46 (h🇲🇲ss) on all processors.


_
SYSTEM INFORMATION
_

OS version: Windows 11, 10.0, version 2009, build: 22000 (x64)
Hardware: X570 AORUS ELITE, Gigabyte Technology Co., Ltd.
BIOS: F36
CPU: AuthenticAMD AMD Ryzen 7 3700X 8-Core Processor
Logical processors: 16
Processor groups: 1
Processor group size: 16
RAM: 16307 MB total


_
CPU SPEED
_
Reported CPU speed (WMI): 3573 MHz
Reported CPU speed (registry): 3593 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.


_
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): 230287.40
Average measured interrupt to process latency (µs): 13.631918

Highest measured interrupt to DPC latency (µs): 230280.70
Average measured interrupt to DPC latency (µs): 9.071820


_
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): 197.143334
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Highest reported total ISR routine time (%): 0.038021
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Total time spent in ISRs (%) 0.038893

ISR count (execution time <250 µs): 98034
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


_
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): 1001.968272
Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 511.79 , NVIDIA Corporation

Highest reported total DPC routine time (%): 0.041262
Driver with highest DPC total execution time: cmudaxp.sys - C-Media Audio WDM Driver, C-Media Inc

Total time spent in DPCs (%) 0.094629

DPC count (execution time <250 µs): 517179
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 64
DPC count (execution time 1000-2000 µs): 1
DPC count (execution time 2000-4000 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: runtimebroker.exe

Total number of hard pagefaults 2167
Hard pagefault count of hardest hit process: 1396
Number of processes hit: 28


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PER CPU DATA
_
CPU 0 Interrupt cycle time (s): 8.913352
CPU 0 ISR highest execution time (µs): 197.143334
CPU 0 ISR total execution time (s): 1.777117
CPU 0 ISR count: 94614
CPU 0 DPC highest execution time (µs): 1001.968272
CPU 0 DPC total execution time (s): 3.666970
CPU 0 DPC count: 445516
_
CPU 1 Interrupt cycle time (s): 0.662650
CPU 1 ISR highest execution time (µs): 95.265238
CPU 1 ISR total execution time (s): 0.001708
CPU 1 ISR count: 98
CPU 1 DPC highest execution time (µs): 99.463401
CPU 1 DPC total execution time (s): 0.005165
CPU 1 DPC count: 948
_
CPU 2 Interrupt cycle time (s): 1.076537
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): 381.832452
CPU 2 DPC total execution time (s): 0.115505
CPU 2 DPC count: 16233
_
CPU 3 Interrupt cycle time (s): 0.646827
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): 86.608405
CPU 3 DPC total execution time (s): 0.004321
CPU 3 DPC count: 869
_
CPU 4 Interrupt cycle time (s): 0.658765
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): 92.920679
CPU 4 DPC total execution time (s): 0.005658
CPU 4 DPC count: 1195
_
CPU 5 Interrupt cycle time (s): 0.668492
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): 44.416365
CPU 5 DPC total execution time (s): 0.002142
CPU 5 DPC count: 695
_
CPU 6 Interrupt cycle time (s): 0.768738
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): 58.964653
CPU 6 DPC total execution time (s): 0.004383
CPU 6 DPC count: 1023
_
CPU 7 Interrupt cycle time (s): 0.626481
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): 104.403006
CPU 7 DPC total execution time (s): 0.005445
CPU 7 DPC count: 1229
_
CPU 8 Interrupt cycle time (s): 0.652003
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): 67.381019
CPU 8 DPC total execution time (s): 0.007799
CPU 8 DPC count: 1689
_
CPU 9 Interrupt cycle time (s): 0.651521
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): 56.549958
CPU 9 DPC total execution time (s): 0.002552
CPU 9 DPC count: 570
_
CPU 10 Interrupt cycle time (s): 0.729473
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): 54.095185
CPU 10 DPC total execution time (s): 0.007168
CPU 10 DPC count: 1664
_
CPU 11 Interrupt cycle time (s): 0.659554
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): 74.915669
CPU 11 DPC total execution time (s): 0.002158
CPU 11 DPC count: 489
_
CPU 12 Interrupt cycle time (s): 2.514834
CPU 12 ISR highest execution time (µs): 20.990815
CPU 12 ISR total execution time (s): 0.002494
CPU 12 ISR count: 3044
CPU 12 DPC highest execution time (µs): 158.488171
CPU 12 DPC total execution time (s): 0.442597
CPU 12 DPC count: 36918
_
CPU 13 Interrupt cycle time (s): 0.939931
CPU 13 ISR highest execution time (µs): 2.344559
CPU 13 ISR total execution time (s): 0.000127
CPU 13 ISR count: 150
CPU 13 DPC highest execution time (µs): 100.856109
CPU 13 DPC total execution time (s): 0.042778
CPU 13 DPC count: 6210
_
CPU 14 Interrupt cycle time (s): 0.640854
CPU 14 ISR highest execution time (µs): 2.745338
CPU 14 ISR total execution time (s): 0.000075
CPU 14 ISR count: 67
CPU 14 DPC highest execution time (µs): 73.613137
CPU 14 DPC total execution time (s): 0.013401
CPU 14 DPC count: 1369
_
CPU 15 Interrupt cycle time (s): 0.713752
CPU 15 ISR highest execution time (µs): 5.119955
CPU 15 ISR total execution time (s): 0.000070
CPU 15 ISR count: 61
CPU 15 DPC highest execution time (µs): 138.469246
CPU 15 DPC total execution time (s): 0.006670
CPU 15 DPC count: 627
_

 

[Colif]

Highest reported total DPC routine time (%): 0.041262
Driver with highest DPC total execution time: cmudaxp.sys - C-Media Audio WDM Driver, C-Media Inc

DPC = Deferred Procedure calls, actions that occur after interrupts.
Interrupts are actions that have to happen NOW and push into process order, DPC are the interrupted processes starting again.

Its common from what I can tell for Nvidia and DirectX to be top of list so I think that is normal.
What audio device do you have? C_Media often used in USB sound cards. And Microphones.

I culd be misreading these as well, I need to look into latency tomorrow after work. I see what I can find.

 

[OnlyAlex]

I have ASUS Xonar DSX, Realtek audio and NVIDIA high definition audio. Thanks

DPC = Deferred Procedure calls, actions that occur after interrupts.
Interrupts are actions that have to happen NOW and push into process order, DPC are the interrupted processes starting again.

Its common from what I can tell for Nvidia and DirectX to be top of list so I think that is normal.
What audio device do you have? C_Media often used in USB sound cards. And Microphones.

I culd be misreading these as well, I need to look into latency tomorrow after work. I see what I can find.

 

[Colif]

i think of those 3 I would see if any newer drivers for the Xonar
realtek audio is used for the MB backpanel/front panel audio
Nvidia is for the Monitor

So I expect
cmudaxp.sys - C-Media Audio WDM Driver, C-Media Inc
is part of the Asus device

I have your motherboard, I know it doesn't have CMedia on it.

 

[Colif]

About hard pagefaults
Windows uses a concept of virtual memory which relies on the page translation system provided by the CPU. Whenever a memory address is requested which is not available in physical memory (not resident), an INT 14 will occur. The OS provided INT 14 handler will decide how to proceed next. If the page in which the address resides is known to Windows but not resident, Windows will read in the required page from the page file. That is known as a hard pagefault and can take a lot of time to complete. If the page can be read in from the hard disk cache, the price will be limited. However if it needs to physically read in the data from disk sectors this takes a lot of time. If an audio program hits a hard pagefault while it is playing it will almost certainly have audible consequences recognized as dropouts, clicks or pops.

Hard pagefaults are a very common but often overlooked cause of audio dropouts, clicks and pops. They especially occur often with audio software that uses a lot of memory such as samplers. Solutions for avoiding hard pagefaults are increasing the working set of the audio application, increasing the amount of RAM or disabling the pagefile altogether. Note that if you disable the pagefile, the system may run "out of memory" because it does not have the pagefile available to swap memory to. Also the system will no longer create crash dump files in case of a system crash.

https://www.resplendence.com/latencymon

still trying to figure out how to read results to find an answer... no youtube videos i would trust. I looked here after Google search.

whilst opening new tabs on Chrome and the PC freezes for a few seconds and the audio distorts.

i get that about once a week, randomly while watching Youtube on any browser. No need to open tabs.

Maybe I should run latencymon myself, I had wondered if it was the spike I see. Maybe if we fix yours I can use the fix myself. I don't have exact same PC
Motherboard: Aorus X570 Elite Wifi - its not the bios, I am still only on F20.
CPU: R5 3600XT
32gb ram
i doubt mine is a page fault problem. It shouldn't be anyway...

what storage do you have?

Did yours only start with Windows 11? As that is when mine did.

have you updated X570 chipset drivers?
https://www.amd.com/en/support/chipsets/amd-socket-am4/x570
i think I have those now and well, didn't help.

Were your recordings taken at a time of the spike? I might have to keep it running for a few days as its not a constant thing, its random.


Just looking at mine in normal operation shows ndis.sys and Nvidia drivers being top of driver lists is normal. its how much usage each program uses that all adds up.

Nvidia being top is normal. Updating GPU drivers can help.

next time it happens, I would edit/copy screenshot on the main page and Drivers tab. the Stats don't appear to give names.
upload that to image sharing website and show links here.
latencymon updates so fast I can never scroll down on the stats page

Do you have a WiFi dongle as WiFi can cause latency. I just disabled mine, see if that helps at all. Mine only happens once a week so I will have to wait a while.

 

[OnlyAlex]

https://www.resplendence.com/latencymon

still trying to figure out how to read results to find an answer... no youtube videos i would trust. I looked here after Google search.


i get that about once a week, randomly while watching Youtube on any browser. No need to open tabs.

Maybe I should run latencymon myself, I had wondered if it was the spike I see. Maybe if we fix yours I can use the fix myself. I don't have exact same PC
Motherboard: Aorus X570 Elite Wifi - its not the bios, I am still only on F20.
CPU: R5 3600XT
32gb ram
i doubt mine is a page fault problem. It shouldn't be anyway...

what storage do you have?

Did yours only start with Windows 11? As that is when mine did.

have you updated X570 chipset drivers?
https://www.amd.com/en/support/chipsets/amd-socket-am4/x570
i think I have those now and well, didn't help.

Were your recordings taken at a time of the spike? I might have to keep it running for a few days as its not a constant thing, its random.


Just looking at mine in normal operation shows ndis.sys and Nvidia drivers being top of driver lists is normal. its how much usage each program uses that all adds up.

Nvidia being top is normal. Updating GPU drivers can help.

next time it happens, I would edit/copy screenshot on the main page and Drivers tab. the Stats don't appear to give names.
upload that to image sharing website and show links here.
latencymon updates so fast I can never scroll down on the stats page

Do you have a WiFi dongle as WiFi can cause latency. I just disabled mine, see if that helps at all. Mine only happens once a week so I will have to wait a while.

Hi, thanks so much for your replies - I really appreciate it! So I had just updated GPU driver and ASUS driver and no change. Yes, it's since I've moved across to Wind11, interesting now you mention that! Well yes and no, the first time it was and the second time I ran it it said there was a problem even without the audio and tab freezing for a split second. Thanks for your help, I'm starting to think it's Wind11?

 

[Colif]

i want to run it for a while and see what I find. Mine seems to happen mid week so it might be too late to find it this week.

some think its ftpm being turned on that caused latency. I am not sure. Can't turn it off and use Win 11. It doesn't happen enough to make me go back to 10.

We need to compare normal usage against what it looks like in a spike to see difference. And find possible cause.

this was best I found so far, describes what to do. Funny thing is his "good" Current Measured Interrupt to process latency is 10x higher than my normal one.

 

[Colif]

i don't believe its ftpm, as the processor that runs ftpm isn't one of the cores of your processor... well, its an ARM core that is totally separate to the CPU cores you use, but it is on the CPU. It is part of the Platform Security Processor which Boots up before the CPU does and provides functions like ftpm and secure boot

https://en.wikipedia.org/wiki/AMD_Platform_Security_Processor

 

[Colif]

doesn't tell me anything right away,
wdf01001.sys = windows driver Framework
ndis.sys - network driver interface specification
tcpip.sys - transmission control protocol/internet protocol
ntoskrnl - windows kernel

so its a driver but I can't tell which one
Copy of the Stats screen

Spoiler

_
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. 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 4:45:00 (h🇲🇲ss) on all processors.


_
SYSTEM INFORMATION
_
Computer name: DESKTOP-UR82F48
OS version: Windows 11, 10.0, version 2009, build: 22000 (x64)
Hardware: X570 AORUS ELITE WIFI, Gigabyte Technology Co., Ltd.
BIOS: F20
CPU: AuthenticAMD AMD Ryzen 5 3600XT 6-Core Processor
Logical processors: 12
Processor groups: 1
Processor group size: 12
RAM: 32712 MB total


_
CPU SPEED
_
Reported CPU speed (WMI): 3793 MHz
Reported CPU speed (registry): 3793 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.


_
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): 691.20
Average measured interrupt to process latency (µs): 4.852650

Highest measured interrupt to DPC latency (µs): 687.80
Average measured interrupt to DPC latency (µs): 1.658748


_
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): 681.385183
Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Highest reported total ISR routine time (%): 0.067629
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Total time spent in ISRs (%) 0.073393

ISR count (execution time <250 µs): 11940503
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 54
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 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): 2805.948853
Driver with highest DPC routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Highest reported total DPC routine time (%): 0.028323
Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 511.79 , NVIDIA Corporation

Total time spent in DPCs (%) 0.086265

DPC count (execution time <250 µs): 31987750
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 1562
DPC count (execution time 1000-2000 µs): 0
DPC count (execution time 2000-4000 µs): 1
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: bdservicehost.exe

Total number of hard pagefaults 40855
Hard pagefault count of hardest hit process: 10393
Number of processes hit: 95


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PER CPU DATA
_
CPU 0 Interrupt cycle time (s): 530.312031
CPU 0 ISR highest execution time (µs): 681.385183
CPU 0 ISR total execution time (s): 149.523050
CPU 0 ISR count: 10043404
CPU 0 DPC highest execution time (µs): 2805.948853
CPU 0 DPC total execution time (s): 160.814062
CPU 0 DPC count: 25527993
_
CPU 1 Interrupt cycle time (s): 35.621403
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): 283.692592
CPU 1 DPC total execution time (s): 0.095250
CPU 1 DPC count: 33699
_
CPU 2 Interrupt cycle time (s): 28.860919
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): 300.393356
CPU 2 DPC total execution time (s): 0.201583
CPU 2 DPC count: 176470
_
CPU 3 Interrupt cycle time (s): 26.825807
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): 104.051674
CPU 3 DPC total execution time (s): 0.034533
CPU 3 DPC count: 12296
_
CPU 4 Interrupt cycle time (s): 23.724781
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): 51.795413
CPU 4 DPC total execution time (s): 0.028465
CPU 4 DPC count: 9441
_
CPU 5 Interrupt cycle time (s): 23.156429
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): 53.037701
CPU 5 DPC total execution time (s): 0.019758
CPU 5 DPC count: 6624
_
CPU 6 Interrupt cycle time (s): 39.074381
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): 279.805431
CPU 6 DPC total execution time (s): 0.253783
CPU 6 DPC count: 85458
_
CPU 7 Interrupt cycle time (s): 38.776277
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): 279.524914
CPU 7 DPC total execution time (s): 0.195066
CPU 7 DPC count: 69315
_
CPU 8 Interrupt cycle time (s): 104.769878
CPU 8 ISR highest execution time (µs): 31.638281
CPU 8 ISR total execution time (s): 0.665091
CPU 8 ISR count: 1236967
CPU 8 DPC highest execution time (µs): 278.32270
CPU 8 DPC total execution time (s): 6.557271
CPU 8 DPC count: 3280394
_
CPU 9 Interrupt cycle time (s): 53.915792
CPU 9 ISR highest execution time (µs): 15.658845
CPU 9 ISR total execution time (s): 0.040564
CPU 9 ISR count: 61907
CPU 9 DPC highest execution time (µs): 246.764566
CPU 9 DPC total execution time (s): 1.411958
CPU 9 DPC count: 542379
_
CPU 10 Interrupt cycle time (s): 71.029955
CPU 10 ISR highest execution time (µs): 11.390983
CPU 10 ISR total execution time (s): 0.272611
CPU 10 ISR count: 449873
CPU 10 DPC highest execution time (µs): 257.223833
CPU 10 DPC total execution time (s): 5.805985
CPU 10 DPC count: 1809758
_
CPU 11 Interrupt cycle time (s): 56.168501
CPU 11 ISR highest execution time (µs): 14.917480
CPU 11 ISR total execution time (s): 0.103096
CPU 11 ISR count: 148406
CPU 11 DPC highest execution time (µs): 277.741629
CPU 11 DPC total execution time (s): 1.599042
CPU 11 DPC count: 435486
_

I could update BIOS but you on latest and get it still.
wonder what power plan win 11 thinks I am on. I was on Ryzen balanced, see if it makes any difference being on the normal balanced plan instead.
CPU shouldn't be throttled.
Going to have to dig into this, I want to find somewhere that tells me what to look at.

 

[OnlyAlex]

Thanks for sharing and sorry for the delay in replying, all very interesting isn't it? I don't think it's to do with power plan as I am on high performance? I think it's something to do with Wind11, it has to be? The theory about TPM is interesting as I upgraded to Wind11 and then updated BIOS and the issue happened a few weeks after that I noticed, of course the update had turned TPM off so I had to re-enable it. Not sure if that has anything to do with it. Frustrating isn't it? Thanks for all your help and chatting this through with me.

 

[Colif]

what sound driver are you using?
go into device manager
under sound, video & gaming controllers
right click realtek Audio (R) and choose porperties
driver tab
My version is 6.0.9225.1
its currrenly newest on Gigabyte site but there is a newer one. I haven't tried to update it yet.

I don't know if the power plan has made any difference yet. I guess i need to run latencymon more often.

edit: 17 minutes later, still happening.

 

[Colif]

https://www.tomshardware.com/news/amd-issues-fix-and-workaround-for-ftpm-stuttering-issues << this likely answer to our questions.

 

[OnlyAlex]

https://www.tomshardware.com/news/amd-issues-fix-and-workaround-for-ftpm-stuttering-issues << this likely answer to our questions.

Sorry for the delay in replying and thanks so much for the link, that would explain it then - although to be honest the issue hasn't noticeably happened recently. Will update the BIOS when new version launched, cheers. On a side note, as you have the same mobo, do you hear the PCH a lot on the X570? I'm coming from a B350 Plus which was silent but this seems a lot noisier, is that normal? Thanks.

 

[Colif]

i don't hear it over my exhaust fans. So I wouldn't know. its running now but I can't hear it

guess i should replace case fans but i don't think about them unless answering questions.