Latency monitor

Author: s | 2025-04-25

The latency monitor data is not maintained across a switch reload. Configuring Active Latency Monitoring. To configure active latency monitoring, complete the following Latency Monitoring System. latency ping smokeping icmp-ping latency-analysis latency-monitor latency-test. Updated ; Go; DrSkunk / ping-clock-web.

valkey-latency-monitor: Latency monitoring

Prev 1 2 Next Page 1 of 2 Recommended Posts Is there anyway to lower the DPC latency while running AIDA64? I get periodic spikes in DPC latency while running AIDA64 to monitor temps on my G19. Sometimes my audio playback will skip because of this; any help would be much appreciated Quote Please let us know more about your system configuration:1) Motherboard model2) CPU type3) Video card (or cards) model4) Number of internal or external hard disk drives or SSD5) Any special sensor devices connected6) Windows variant, kernel type (32-bit or 64-bit)Thanks,Fiery Quote post a screenshot of latencymon. there are no instances of dpc spiking caused by the aida driver in my system. Quote Author Posted December 29, 2010 1) Gigabyte EX58-UD52) i7 9303) GTX 4804) 2x Intel SSDs in RAID0, 3x1TB Caviar Green in RAID0 (ICH10R)5) No sensor devices 6) Win7 Pro x64I've attached a picture of the dpc latency, it spikes fairly regularly while leaving AIDA64 running. Quote Latency Monitor, that screenshot is useless it doesn't indicate which driver the DPC spike is from. Quote i believe i got also some latency issues, last day i was playback some music and got sound stutter regularly. I'm not sure aid64 was launched or not but it may be. Next time I'll check with latency mon to be sure. Quote In case the latency spikes are approx. 20 seconds away from each other -- as it seems --, then I suppose it's caused by the SMART detection layer of AIDA64, which is used to measure HDD/SSD temperature. AIDA64 now uses a special driver call to pass through the Intel Rapid Storage RAID drivers, in order to reach the RAID member drives. I guess Intel drivers will need some more iterations to mature Quote Author Posted December 30, 2010 Thanks for all the replies. LatencyMon reports everything as ok but closing it and running DPC latency checker will show periodic spikes. May just be the Intel RST drivers as Fiery stated, I recently moved to the new v10 that was released on 12/15. Thanks again. Quote in my testing, DPC Latency checker can actually cause dpc spikes under recent versions of windows. Quote Is there a difference between Latency Monitor and DPC Latency Checker? Just curious. I use DPC Latency Checker ever since you guys mentioned it here, I didn't know about it. No drop-outs for me on Windows 7 Pro 64. Quote latency monitor actually displays the driver at fault, and has extended DPC information including a DPC amount counter.Excessive DPC activity is just as problematic as high dpc spikes. the driver used is also more recently updated then dpc latency checker. Quote Thanks for the info about the Rises from a host of factors. From your controller or keyboard the signal moves to your PC or console. If you’re using wireless input devices that movement takes a little longer than with wired versions. Then your PC or console take time to process the data you gave them, then more time to send graphics info via a cable to your display. Generally, HDMI and DisplayPort have the same speed: light speed. So cables aren’t a major issue, but they’re a step. Then every monitor has processing units that accept signals and work to update the screen. Thus, the monitor’s internal circuitry introduces lag. Response time factors into latency as we mentioned above. That means the time a monitor needs to get a signal, process that signal, then change its pixels to depict visuals obviously adds latency.Any image processing done on your monitor increases latency. Even if base response time is 1ms, should the monitor then add refinements like HDR, dynamic brightness/contrast, edge sharpening, local dimming and so forth – well, latency increases. Remember the basic rule: image processing means lag.That’s why for gaming we recommend using PC mode or game mode. Those switch off most image processing to keep you close to raw response time on the monitor. How do we measure input lag? Also in milliseconds, but it’s a lot more than response time. Really good monitors like the BenQ EL2870U, the 4K HDR monitor EW3270U, and 144hz gaming monitor EX2780Q with speakers clock in at 9ms-10ms based on third party reviews, but the average hovers somewhere between 15ms and 22ms for typical gaming monitors and gaming-minded TVs. You should not detect any negative effects with those latency figures, and your games will feel very responsive. It’s only when latency exceeds 40ms or so that people begin to notice sync issues. Anything over 50ms would be basically unplayable. Don’t laugh, lots of cheap monitors and TVs even now deliver performance slower than that, resulting in completely ruined gaming experiences. When shopping for a gaming monitor do some research, read reviews, and check out the spec sheets. You’ll likely find out about each model’s response time easily enough, but reviews and forum posts will shed more light on input lag. Stay with reputable, established brands. Get monitors that specifically mention gaming, as good manufacturers won’t claim gaming-grade performance for slow monitors, it’s simple as that.Also simple is the difference between response time and input latency. The former is local to the monitor and helps you understand how fast the panel is on its own. The latter refers to a much more comprehensive and useful number because it includes response time and illustrates the actual gaming experience you’ll have with a monitor or TV.Now you know! Don’t rush and get a monitor to make you happy.

Monitoring 8x8 with Latency and Path

Values configured for these settings at the interface level:cumulus@switch:~$ nv set service telemetry histogram counter bin-min-boundary 960cumulus@switch:~$ nv set service telemetry histogram counter histogram-size 12288cumulus@switch:~$ nv set service telemetry histogram counter sample-interval 1024cumulus@switch:~$ nv config applyThe following example enables the counter histogram on swp1 through swp8 and uses the global settings for the minimum boundary size, histogram size, and the sampling interval. The histogram monitors all received packet counters on ports 1 through 8:cumulus@switch:~$ nv set interface swp1-8 telemetry histogram counter counter-type rx-packetcumulus@switch:~$ nv config applyLatency HistogramThe following example configures the latency histogram and sets the minimum boundary size to 960 and the histogram size to 12288. These settings apply to interfaces that have the latency histogram enabled and do not have different values configured for these settings at the interface level:cumulus@switch:~$ nv set service telemetry histogram latency bin-min-boundary 960 cumulus@switch:~$ nv set service telemetry histogram latency histogram-size 12288 cumulus@switch:~$ nv config applyThe following example enables the latency histogram for traffic class 0 on swp1 through swp8 with the globally applied minimum boundary and histogram size. The example also enables the latency histogram for traffic class 1 on swp9 through swp16 and sets the minimum boundary to 768 bytes and the histogram size to 9600 bytes.cumulus@switch:~$ nv set service telemetry enable oncumulus@switch:~$ nv set interface swp1-8 telemetry histogram latency traffic-class 0cumulus@switch:~$ nv set interface swp9-16 telemetry histogram latency traffic-class 1 bin-min-boundary 768cumulus@switch:~$ nv set interface swp9-16 telemetry histogram latency traffic-class 1 histogram-size 9600cumulus@switch:~$ nv config applyLinux CommandsEdit settings in the /etc/cumulus/datapath/monitor.conf file, then restart the asic-monitor service with the systemctl restart asic-monitor.service command. The asic-monitor service reads the new configuration file and then runs until you stop the service with the systemctl stop asic-monitor.service command.The following table describes the ASIC monitor settings.SettingDescriptionport_group_listSpecifies the names of the monitors (port groups) you want to use to collect data, such as histogram_pg. You can provide any name you want for the port group. You must use the same name for all the port group settings.Example:monitor.port_group_list = [histogram_pg,discards_pg,buffers_pg,all_packets_pg]Note: You must specify at least one port group. If the port group list is empty, systemd shuts down the asic-monitor service..port_setSpecifies the range of ports you want to monitor, such as swp4,swp8,swp10-swp50. To specify all ports, use the all_ports option.Example:monitor.histogram_pg.port_set = swp1-swp50monitor.histogram_pg.port_set = all_ports.stat_typeSpecifies the type of data that the port group collects.For egress queue length histograms, specify histogram_tc. For example:monitor.histogram_pg.stat_type = histogram_tcFor ingress queue length histograms, specify histogram_pg. For example:monitor.histogram_pg.stat_type = histogram_pgFor counter histograms, specify histogram_counter. For example:monitor.histogram_pg.stat_type = histogram_counter. For latency histograms, specify histogram_latency. For example: monitor.histogram_pg.stat_type = histogram_latency..cos_listFor histogram monitoring, each CoS (Class of Service) value in the list has its own histogram on each port. The global limit on the number of. The latency monitor data is not maintained across a switch reload. Configuring Active Latency Monitoring. To configure active latency monitoring, complete the following

Adding an ISP Latency Monitor

In this guide, I’ll define the basics of network latency—what it is, why it matters, and how measuring and optimizing network latency is important for any business. I’ll also dive deeper into the best ways to improve network latency. And while it’s possible to undertake manual latency testing, it can be time-consuming work better left to purpose-built solutions.What Is Network Latency?How Is Latency Measured?How to Test Latency With PingThe Limitations of PingHow to Test Latency With TracerouteHow to Solve Latency IssuesTop 10 Latency Test Tools1.Network Performance Monitor (Free Trial)2.NetFlow Traffic Analyzer (Free Trial)3.Network Bandwidth Analyzer Pack (Free Trial)4.NetFlow Analyzer5.Angry IP Scanner6.Engineer’s Toolset7.PRTG Network Monitor8.VoIP & Network Quality Manager9.NetScanTools10.Flow Tool BundleBest Way to Check Network LatencyI compiled a list of ten of the best network latency measurement tools to give you a feel of what’s on the market today. I compare and describe why they differ as well as review their network latency features like Network Performance Monitor from SolarWinds, which is built to perform network latency tests to help save you time, energy, and stress while providing network insights so you know what you need to focus on to help improve your latency.What Is Network Latency?Latency refers to the speed of your network traffic, which is measured in milliseconds, with higher numbers indicating slower connections. What constitutes an acceptable latency range will vary not only network by network, but also application by application.Devices and applications needing more network bandwidth, such as video or VoIP calls, will require lower latency ranges to function properly and efficiently. On the other hand, the less instantaneous nature of email delivery allows for a higher latency range when determining bandwidth priorities.Part of the responsibilities of a network administrator includes deciding how to allocate bandwidth and resources to ensure users can do their jobs in a timely manner to help keep company operations running smoothly.How Is Latency Measured?As mentioned, latency is measured in milliseconds, and it can indicate one of two things depending on the metric used. There are two ways of measuring latency: “round-trip time” (or RTT), which calculates the time it takes for a Serious issues occur. Paessler PRTGPaessler PRTGNetwork Monitoring Software – Version 24.4.102.1351 (November 12th, 2024) Languages iconLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified Chinese testMonitor everythingNetwork devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and moretestPricingChoose the PRTG Network Monitor subscription that's best for youDiscover beyond network latency monitoringWhat is network latency?Latency is a measurement of the time it takes for a data packet to travel from one point to another. This time is referred to as latency, the round-trip time, or the packet processing time.Why is monitoring and testing network latency important?By keeping latency spikes to a minimum, you can improve the stability of your network. When latency is too high, problems with VoIP and video conferences are likely to arise. Furthermore, transmission errors can prevent images from loading. Such latency issues are sure to push the capacities of your IT department to the limit.How do I measure network latency?Do a one-time latency test and use a simple ping query to obtain a one-time calculation of latency. Latency (or the ping time) is equal to the amount of time the query needs to reach its target device. You can also enter a traceroute command into the command line to determine the number of hops.One-time latency tests provide individual measurements. They can identify specific problems, but they are not useful for comparisons, analyses, or monitoring to maintain ongoing network stability. Thus, you should always choose to permanently monitor the latency in your entire network with a latency checker like PRTG.What is WAN latency?Data packets need a certain amount of time to travel from one device to another. This is also true for packets in distributed networks such as a WAN. If a WAN is overloaded, then delays or disruptions may arise. An overloaded WAN can also have a negative impact on the corresponding LAN.What do packet delay and packet loss have to do with latency?If latency spikes, then data packets are likely to be delayed. They are transmitted more slowly and therefore need longer to reach their destination. PRTG measures the processing time of data packets automatically.Packet

What is Network Latency Monitoring

If you’re looking to get a new gaming monitor, whether 60Hz, 144Hz, 165hz or even 240Hz, then you’re most likely considering two very important specs. We don’t mean resolution as that’s a given and the first item on the list right next to screen size. We’re referring to input lag and response time. While most prospective gaming monitor shoppers know what refresh (or frame) rate means, quite a few people remain confused about the distinction between response time and input lag.Additionally, while almost every gaming monitor has a response time listed in the spec section, input lag rarely makes an appearance. That’s because while the confusion exists, the two terms are very different. Manufacturers can easily calculate and test monitor response times at the factory, but input lag (or input latency) presents a much more complex issue. Many factors that go into input lag have nothing to do with the monitor or the production process used to make the display, and so manufacturers would be remiss if they made bold input lag claims.Despite that, as someone interested in gaming and gaming monitors you should definitely educate yourself on these two related but distinct terms. That’s because if you opt for a cheap monitor that ends up having slow response or lots of lag then your gaming may well be ruined. Even monitors with high refresh rates can be slow in this regard. If they suffer from sluggish response time and high latency your games will present with problems like motion blur and ghosting. Additionally, controlling in-game actions will feel “off” and unresponsive. That’s why gamers really should learn more about response time and input lag plus how the two differ. Quite a simple answer to that one. Response time forms a part of overall input latency. That most likely explains why so many people misunderstand that the two specs describe different but connected aspects of a gaming monitor. Another cause for confusion may originate in the fact that both refer to speed and have become part of the popular discussion around gaming monitors as things to consider for optimal monitor performance. Often mentioned in the same sentence, response time and input latency sometimes become conflated with each other.Sure, both tell us important things about a gaming monitor’s speed, but from very different angles. Response time is entirely native to the monitor proper, while input lag or latency include the whole process from you pressing a button to a corresponding action occurring onscreen.Distilled to their bare essence, both terms detail the speed with which images change on a display and react to your input. But that’s a very simplistic description that doesn’t do the topic justice, so let’s look at them up close. Response describes the length of time a given monitor or panel needs to change the properties of each pixel. Since TFT LCDs consist of millions of pixels (or transistors), for example 8.3 million in a 4K monitor, speed is understandably of the essence. Response time tells us how

Network latency monitoring with SmokePing

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How to configure Latency monitor with IP Monitor 10

It can create latency. This may occur due to background processes, excessive read/write operations, or fragmentation on traditional hard drives.4. Outdated or incompatible drivers: Drivers are software components that allow the operating system to communicate with various hardware devices. Using outdated or incompatible drivers can result in latency issues as the PC struggles to communicate effectively with hardware components.5. Network congestion: If the PC is connected to a network with high traffic or limited bandwidth, latency can occur when requesting or sending data over the network. This can be more noticeable during activities like online gaming or streaming where real-time data transmission is crucial.6. Background processes and software: Certain applications and processes running in the background can consume system resources, causing latency. Antivirus scans, system updates, or resource-intensive software can lead to delays in responsiveness.7. Malware or viruses: PC latency can also arise from malware or viruses infecting the system. These malicious programs can consume resources, overload the CPU, or perform unwanted actions, resulting in latency issues.8. Hardware issues: Faulty hardware components, such as a failing hard drive or overheating CPU, can cause latency. These issues may require professional inspection and repair.To address PC latency, you can take the following steps:1. Upgrade hardware: Upgrade the CPU, add more RAM, or switch to faster storage options like SSDs to improve performance.2. Keep drivers up to date: Regularly update drivers to ensure compatibility and improve performance.3. Manage background processes: Identify and close unnecessary background processes or applications that consume system resources. Use task manager tools to monitor resource usage.4. Use reliable security software: Install reputable antivirus software and keep it up to date to prevent malware or virus-related latency issues.5. Optimize network connection: Troubleshoot network issues, such as congestion or limited bandwidth, by performing speed tests, restarting routers, or contacting your internet service provider.6. Monitor system temperature: Ensure that your PC is not overheating by regularly cleaning dust from fans, checking proper airflow, and using cooling solutions if necessary.By addressing these potential causes and taking the appropriate steps, you can mitigate PC latency and improve overall system performance.