Can anyone help me with this latency issue? Here is my latencymon report.

[Ben Henderson]

I've been through every fix I can find online and still can't lock it down.  

latencymon_11_12.txt

[mettelus]

On the Drivers page in LatencyMon, you can click the column headers to order things (ISR and DPC Counts). Need to click the column header twice to get it to sort highest to lowest. A screenshot of those two columns may also be helpful, since you may have multiple things going on.

That said, Wdf01000.sys is the biggest latency offender in my experience. One thing it does is ping for network connections every 3-4 seconds (Network Discovery). That is both an interrupt, and also a security issue (you really do not want your computer trying to connect to anything it sees, but rather things you want). To disable that ping, go into "Network Status" then "Network and Sharing Center" and open the "Change advanced sharing settings" in the upper left. In both Private and Guest or Public (expand those) select "Turn off network discovery" for both of them. While in there, also expand All Networks and be sure "Turn off public folder sharing" is checked for that one.

Edited November 13 by mettelus

[Ben Henderson]

Thanks so much for your help.  All of my network settings were already set as recommended.  Here is the ISR and DPC screenshots: 

[Ben Henderson]

Hard pagefaults and CPUs in case they provide any helpful information: 

[Wookiee]

@Ben Henderson are all your drivers up-to-date? Do you have any AV or anti malware running? Have you done all the standard windows tweaks?

[mettelus]

There are a lot of "phone home" services running on your machine. A quick check to see if they are causing you grief is to disconnect your internet and reboot the machine. Without an active internet connection, most will go idle or not activate after that boot.

If that does solve latency, go into "Services" and start scrolling down that list. Right-clicking on an obvious service, then "Properties" pops up a window and in the center is a "Startup type." For things you never ever use, you can change that to Disabled (but keep in mind you did this if you ever need to use them). For things that you do use, but only want to run when you launch an app, set those to "Manual." They will come online when you trigger them, but not on their own. I have about 50% of mine set to Manual and about 25% Disabled on my machine. The Description field in Services is helpful, but you can also search online for more detail if needed. A good start on that Services window is to select the "Status" column to see what is running, then investigate if it is needed.

Not sure if HDAudBus.sys, is the NVIDIA HD Audio Driver, but if that is running can disable that in Sound Control Settings. Actually just checked and that seems to be connected to ASUS AI Suite (is another thing you don't want to "just run").

The USB port one I am not sure on, but that may be a device with a temperamental connection (or wireless mouse/keyboard batteries going dead), but start with disconnecting the internet, then diving into your running Services.

[garybrun]

Well this worked for me...
You can see al the stuff in this thread..
Fix latency problems.

Regards

Gary

[Starship Krupa]

Be sure to read the entire thread, especially the information about the tweaks that I use. I've tried them on multiple systems.

For heaven's sake, don't disable hyperthreading.

Longtime Dell Optiplex user here, make sure you go to Dell's site and download the recommended drivers and BIOS updates.

[Ben Henderson]

Thanks guys, getting ready to run through everything listed.  My services are already tweaked.  Wondering if it's the hyperthreading but I still need to hit the link above.  I've done everything I could find to date and the system boots so fast.  BRB

[Ben Henderson]

I ran through this same checklist 2 nights ago, and hyperthreading is active.  I did check off the boost option above it just to try something since I've tried everything else.  I think I've tried that before but can't be sure so I'm running latencymon after that was switched in the bios.  I have a feeling it's some usb thing bleeding the system.  All drivers are up to date.  Bios is updated.  Devices not in use are disabled.  The only thing I haven't tried is to remove the networking/internet.  But I need that active, it's required for my needs.  I've gone through all of the USB settings in device manager.  

I am sad to say, there is no resolution that anyone can find.  Microsoft told me to reinstall Windows.  But I did that 5x before.  I've even reformatted my hard drive and reinstalled everything.  I guess I need to do that every 60 days.  This is such bullshit.  

[mettelus]

11 hours ago, Ben Henderson said:

The only thing I haven't tried is to remove the networking/internet.  But I need that active, it's required for my needs. 

This isn't to shut it off permanently (I leave mine connected 24/7 when the computer is in use); it is more to see if you have a phone home app causing you grief. From your screenshots... apps like Skype, MuseHub, Microsoft Edge, and Driver Booster are all collecting data and phoning that information home... those should not be running unless you are actively using them (hence the Manual start for those).

Here is a handy Microsoft post that walks through SFC and DISM (DISM is good to run even with no errors found). If you are ever in question about a Windows install, this is a good reference (since you can copy/paste the commands into the CMD window).

[Starship Krupa]

On 11/15/2024 at 12:19 AM, Ben Henderson said:

The only thing I haven't tried is to remove the networking/internet.  But I need that active, it's required for my needs.

Try it anyway. Just try it, you don't have to leave it that way.

If you turn off your network card and find that the problem goes away, then you know exactly what you need to fix: your network card (or some service that's using it).

I'm very much one to leave the network on while I'm DAW'ing, but I had a situation once where the network card WAS the problem. I saw it on LatencyMon and traced it back to having installed Intel's (newer) network card driver on my Dell. I rolled it back to Dell's driver and my latency issues went away. Latest is usually greatest when it comes to driver versions, but not always. Sometimes, especially in tightly integrated systems like Dell's, the computer vendor's driver, even if it's a rev or two older than the chip vendor's driver, will work better.

[pwallie]

43 minutes ago, Starship Krupa said:

Try it anyway. Just try it, you don't have to leave it that way.

troubleshooting 101 👍

[Amberwolf]

10 hours ago, Starship Krupa said:

Latest is usually greatest when it comes to driver versions, but not always. Sometimes, especially in tightly integrated systems like Dell's, the computer vendor's driver, even if it's a rev or two older than the chip vendor's driver, will work better.

Working and left alone is usually greatest.

This is why I don't like (or use) systems or software that autoupdate.  If I can't turn that off, I'm not using it, becuase it's going to break itself or something I *need* at some point, possibly in an unfixable way (without a wipe/reinstall from a backup image, etc; I've been thru that too many times to trust updates I don't *need* to fix a specific problem).