DPC Latency Explained. Many audio problems on a computer can be caused by DPC latency. DPC stands for Deferred Procedure Call. In its simplest form, it is the part of your Windows system that handles driver efficiency. If there is a driver that is taking longer than normal to process, it may prevent other drivers from being processed in time. @Robert Crovella Thank you. But nvidia-smi topo works only on Linux, and not on Windows - but I need it. And nvidia-smi topo -m shows only 4 values between any 2 GPUs, which shows number of PCI-Switches: SOC (0 + QPI), PHB(0), PXB(1 or more), PIX(1 internal). But if I have topology with 2, 3 or more levels of PCIe-Switches, then I can't use it.

Are you looking for a Windows Network Tool that can emulate packet-loss and/or latency?

The answer is Clumsy.

Clumsy makes your network condition on Windows significantly worse, but in a managed and interactive manner. It allows you to configure the network latency for the inbound and the outbound connection and you don’t need to install drivers which is great. Many other solutions required installing network drivers. Clumsy supports any protocol based on TCP/IP.

For example, you could use this network tool to test RDP protocol in your LAN because RDP has a low tolerance for packet loss.

The project repository is on github. Clumsy is available for Windows 7 and higher. Clumsy uses the WinDivert library. So I tested Clumsy on Windows 10 Enterprise version and it works like a charm.

How to use Clumsy?

Download and extract the .Zip file.
Now you just need to run “clumsy.exe” and that’s all!

Clumsy will choose which packets to capture by given filter. Below, I select “Lag” with delay greater than 100ms in Outbound direction (Destination Address equals 8.8.8.8).

When I click “Start“, delay time increases immediately.

Second test. Below I select “Drop” to randomly discard packets.

Note that you can also modify lag settings.

Thanks for reading! You can follow me on Twitter @PrigentNico

It can get really annoying while you are downloading an important file over your home internet and your bandwidth quota is over all of a sudden! This is especially taxing if you are a student or someone who has just started working and on a strict budget. Internet Service Providers (ISP) offer a fixed quota for uploading and downloading each month exceeding which can cost you premium charges.

If you do not prefer paying any additional fees, you have to work with slow speeds which can really test your patience. In order to avoid low bandwidth speed like the dial-up ones, monitoring your internet speed is a great idea. Keeping a watch on the network bandwidth lets you point out any congestion, comprehending the true connection speed compared to the premium version while splitting up genuine bandwidth consumption from network usage of suspicious nature.

Read also: –How to minimize internet data used in windows 10 PC

Today we have the top free bandwidth monitoring tools that will help you monitor internet consumption. These are accompanied with some basic features that allow you to view the proportion of network data moving through the wired connection. This helps you ascertain the origin of the internet consumption within the confines of your network.

BitMeter OS

A free and open source software, BitMeter OS is designed to monitor the bandwidth speed of Mac OSX, Windows and Linux. Using this tool you can keep a watch on your internet usage and even get a visual representation of the same through a command line tool or a by a web browser. You can view your internet connection usage via the different graphs and charts displayed on the web interface.

The graphs get updated every second on the monitor and let you know where is your network getting used. There’s also a query window that provides you with in-depth information about network usage for any specified date. You can also get a spreadsheet of the results if you want.

If you want to keep a track on your internet consumption changes in the last few hours, days or months, you can view this information on the History window. With the help of this tool, you can also set notifications and alerts when your bandwidth usage goes beyond the limit set by you.

In order to calculate the time taken for downloading or uploading a file, or to check the data volume you can transfer in a fixed time period, you can make use of the calculator utility. To be able to customize the different functionalities of the web interface so that it fits your requirements you can access the Preferences window for the same.

Download:http://www.softpedia.com/get/Network-Tools/Bandwidth-Tools/BitMeter-OS.shtml

Compatibility: Windows, Linux and Mac OSX

FreeMeter Bandwidth Monitor

FreeMeter Bandwidth Monitor is a straightforward, lightweight and user-friendly tool that helps monitor and analysis your network speed. What’s good about this software is that it is portable and it allows you to see the real-time visual representation of any data (uploaded or downloaded). You can see the graphical display of all the network usage data on its main panel that’s being transported up and down on your network cable.

Being portable you can run it from anywhere on the hard drive or store it on a USB flash drive and execute it on your computer. We also like the fact that it does not leave behind any traces of items in the hard drive or in the Windows Registry after the program is removed. FreeMeter Bandwidth Monitor comes with a small sized interface that can be moved to any are of the display

It comes with plenty of simple yet useful tools like ping, Traceroute, URL grabber, UPnP NAT, email alert service and more. You can even customize its interface like, cycling colors, setting its darkness level, change the default frame, etc. Additionally, you can also check the application updates and log info.

Once the installation is complete it sits in the tray hence, simply right-click on it and choose the option or just double-click on it to open the interface.

Download: https://sourceforge.net/projects/freemeter/

Compatibility: Windows 98/Me/NT/2000/XP/Vista

ShaPlus Bandwidth Meter

Monitor internet traffic and keep a watch on the bandwidth usage statistics with ShaPlus Bandwidth Meter for a period defined by you. A small window pane on the interface displays the network traffic status for the current day and the entire month. For more information, you can go to the icon in the system tray.

If your computer has numerous multiple adapters installed, you can configure the network interfaces from the settings menu for monitoring purposes. Moreover, if you use the unlimited night data plans, configuring the start day of the month and an interim to deactivate the monitoring activity of the network traffic can be especially useful.

This handy software is smooth on the hardware resources and also allows the system to perform perfectly. With its intuitive interface, it offers the convenience to be installed by both beginners and experts alike.

Download:http://download.cnet.com/ShaPlus-Bandwidth-Meter/3000-2381_4-10672850.html

Compatibility: Windows 98/Me/NT/2000/XP/2003/Vista/Server 2008/7/8

BandwidthD

BandwidthD is another freeware that runs separately in the background and facilitates monitoring of the internet (TCP/IP network) consumption. The results for the bandwidth usage, in form of HTML files, are then displayed in form of graphs and tables on the interface.

Different IPs form the graphical representations and exhibit the 2day, 8day, 40day and 400day periods usage by default. Moreover, the usage display of each of the IP address can be logged out every 3.3 minutes, 10mins, 1hr or 12 hrs. These log outs are available in cdf format or can be exported to a backend server. The traffic information in P2P, HTTP, ICMP, TCP, VPN and UDP are color coded.

In order to install this program, you need to have Wincap version 3.0 or above. To be able to view the graphical representation of the bandwidth usage you need unzip the BandwidthD, edit the configuration file (../etc/bandwidth.conf), run the batch file for “Install Service” and then launch the

Pci Latency Tool Windows 10