cpu i9

This article mainly introduces some basic knowledge about Linux cpu performance testing. first, we will introduce sched in Linux kernel. The scheduler is responsible for two types of resources in the scheduling system: thread and interrupt. The scheduler gives different priorities to different resources. Linux testing cpu performance from high to low:1. Hardware interruption Hardware Interrupts) -- these re

We can use/proc/cpuinfo to view CPU information. This file contains the data section of each processor on the system. There are six entries in the/proc/cpuinfo description for multi-core and hyper-thread (HT) technical checks: processor, vendorid, physicalid, siblings, coreid and cpucores. We can use/proc/cpuinfo to view CPU information. This file contains the data section of each processor on the system. T

IBM products are the main bar. As early as the Pentium motherboard bus frequency has 50.60.66MHz three kinds, The frequency of the PENTIUMCPU is generally 75.90.100.120.133.150.166.200.233.266.300.MHz. Motherboard and CPU speed is different, in order to coordinate the speed between the two, in the motherboard generally there is no "frequency multiplier factor" Jumpers are used to set the multiplier relationship between the two, currently popular mothe

Layer-3 Ethernet switches are quite common, so I have studied the problems related to the CPU packet sending and receiving of layer-3 Ethernet switches. I would like to share them with you here, hoping they will be useful to you. Layer-3 Ethernet switches are developing rapidly. On the one hand, bandwidth and switching capacity of network devices are greatly increased, and the types of protocols supported by devices are also increasing with the increa

Why is the server so slow? CPU, RAM, and disk I/O resources are exhausted, and ram is used up Machine running is slow because it consumes too many system-specific resources. The main resources of the system include CPU, RAM, disk I/O, and network. Excessive use of any of these resources puts the system in trouble. However, if you can log on to the system, you can use a large number of tools to determine the

Cpu display information that you may not understand in CentOS command top When using the top Command, the following line is displayed: What are the meanings of each value in it? I was asked this question today and found that the answer is not very clear. Sure enough, the most frequently used top commands every day are still unknown... Shame... So I checked some information:Official explanation Cpu (s) indi

1.topUsage rights: All usersMode of use: Top [-] [D delay] [Q] [C] [s] [s] [i] [n] [b]Description: Instant display of process dynamicsD: Change the update speed of the display, or press s in the chat command column (interactive command)Q: There is no delay in the display speed, if the user has Superuser permissions, then top will be executed with the highest precedenceC: Toggle display mode, a total of two modes, one is to display the name of the execution file only, the other is to display the

Tags: priority GitHub official item CTO how RTU iowait RelatedAdd by Zhj: Here's a good explanation of what WA means in the top command, and we know that when Io is blocked, the operating system changes the process to a blocking state, and the CPU is scheduled to run other processes.When the CPU is idle, it checks for blocked IO (disk or network), and if so, it is WA; if not, that is the real idle. In the t

 CPU performance Explore-linux cache mechanismBefore reading the article, you should have basic knowledge of the memory hierarchy, at least to understand the principle of locality. To learn more about the cache fundamentals, you can refer to this book, "in-depth understanding of computer systems" in the Memory Architecture chapter:With questions to read the article, the cache is not visible to programmers, it is completely hardware-controlled, why i

Laptop CPU fan thermal failure 1, CPU fan shutdown causes panic Failure phenomenon: The CPU fan of the notebook computer sometimes stopped, resulting in high CPU temperature and panic. Troubleshooting: The current mobile CPU basically has a temperature protection fu

0. Why write this blogThe top or PS of Linux can see the CPU utilization of the process, so why do you need to know this detail? There are three reasons for writing this article:* Want to be able to get process CPU utilization in a script in a "non-blocking" way * PS cannot get CPU utilization at the current time of the process; top takes at least 1 seconds to ge

If you have some questions about the practical application of Oracle CPU optimization, the following articles mainly introduce the practical application solutions for optimizing Oracle CPU usage using Oracle to optimize CPU usage, to solve your actual operation problems when using Oracle to optimize CPU usage. Oracle o

1.CPU frequency higher performance? not necessarily. This is in many novice among the misunderstanding. CPU performance depends on a number of comprehensive parameters, not necessarily the root frequency proportional. Of course, in the same series of CPUs, such as Celeron 4, the higher the frequency of high performance. 2. Why Celeron High-frequency Low-energy? And the Fast Dragon series Low-frequency h

1.CPU frequency higher performance? not necessarily. This is in many novice among the misunderstanding. CPU performance depends on a number of comprehensive parameters, not necessarily the root frequency proportional. Of course, in the same series of CPUs, such as Celeron 4, the higher the frequency of high performance. 2. Why Celeron High-frequency Low-energy? And the Fast Dragon series Low-frequency h

You will see this line when you use the top command:What are the meanings of each of these values?Asked this question today, I found that the answer is not very clear. Sure enough, every day with the most top command has not been well-acquainted ... Ashamed... So I looked up some information:Official explanationThe CPU (s) represents the CPU information. The meaning of each value is:Us:user

Basis of judgment:A physically encapsulated CPU (judged by physical ID) can have multiple cores (differentiated by Core ID).Each core can have multiple logical CPUs (judged by processor).One core implements this core's own hyper-Threading technology through multiple logical CPUs.The CPU cores entry contains the number of cores in the same physical package.The siblings entry lists the number of logical proce

Now people buy mobile phones, are more concerned about the use of what CPU, because the CPU directly determines the performance of the phone, the CPU on the phone is like a human brain, it is the entire mobile phone control system, is also the logical part of the control center. Also equivalent to the engine of the car, the more powerful the engine, the faster th

I like Oracle very much. I also like to sum up the experience and lessons on optimizing the CPU usage of Oracle in my work. Let's talk about this question in detail. CPU is one of the servers I like Oracle very much. I also like to sum up the experience and lessons on optimizing the CPU usage of Oracle in my work. Let's talk about this question in detail.

Https://help.aliyun.com/knowledge_detail/41225.html?spm=5176.7841174.2.2.ifP9ScNote: The relevant configuration and instructions in this article have been tested in the CentOS 6.5 64-bit operating system. Other types and versions of the operating system configuration may vary, please refer to the appropriate operating system official documentation.If the CPU of ECS Linux system keeps running high, it will affect the stability of the system and the ope

The overclocking of the computer is to improve the working frequency of the CPU, graphics and other hardware by artificial way, so that they work stably under the rated frequency state. The Intel P4C 2.4GHz CPU For example, its rated operating frequency is 2.4GHz, if the operating frequency to 2.6GHz, the system can still run stably, then the overclocking was successful. The main purpose of