controllogix cpu

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 super-thread (HT) technical checks: processor, vendor id, physical id, siblings, core id and cpu cores. (1) processor: including the unique identifier of the logical processor. (2) physical id: including the unique id

0. Prepare knowledgeHyper-Threading Technology (hyper-threading): Using special hardware instructions, the two logical cores (CPU core) are simulated into two physical chips,Allows a single processor to use thread-level parallel computing, which is compatible with multi-threaded operating systems and software, reducing the idle time of the CPU and improving the efficiency of

Add 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 top command, 85.1%id is the true idle ratio, and has the follow

Linux Cgroup has two subsystems that support CPU isolation.One is the CPU subsystem and the other is the Cpuset subsystem.The CPU subsystem chooses the corresponding CPU resource scheduling method according to the scheduling properties of the process set. .1. Complete Fair dispatch Completely Fair Scheduler (CFS) pr

You will see this line when you use the top command:650) this.width=650; "title=" image () "border=" 0 "alt=" image () "Src=" http://image.mamicode.com/info/201606/ 20181018163955000369.png "width=" 1096 "height=" "style=" border:0px;padding-top:0px;padding-left:0px; Padding-right:0px;background-image:none; "/>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-acqua

In Hyper-V 3, the virtual machine CPU competition mechanism Windows Server 2012 is coming late. The latest Hyper-V 3 brings us more surprises, in the next three blog posts, we will learn about the virtual machine CPU competition mechanism. Part 1: CPU resources allocated to virtual machines; Part 2: Top CPU resources u

Four data registers (EAX, EBX, ECX, and EDX)2 address changes and pointer registers (ESI and EDI) 2 pointer registers (ESP and EBP)Six segment registers (ES, CS, SS, DS, FS, and GS)1 Instruction Pointer register (EIP) 1 flag register (EFlags) 1. Data Register Data registers are mainly used to save information such as the operands and operation results, thus saving the time required to read the operands by occupying the bus and accessing the memory. The 32-bit

Each-CPU variable is an interesting 2.6 kernel feature. When you create a per-CPU variable, each processor in the system obtains its own copy of this variable.This may look like a strange thing to do, but it has its own advantages. you do not need to lock every-CPU variable because each processor uses its own copy. per-CPUVariables can also be stored in the cache

View multi-core CPU commandsMpstat-p All and sar-p allDescription: Sar-p all > Aaa.txt redirect output to file Aaa.txtTop commandOften used to monitor Linux system conditions, such as CPU, memory usage, the programmer basically know this command, but it is strange to use it very few people, such as the top monitor view of memory value of the meaning of a lot of distortion.This article covers the meaning of

CPU Load View Method: Using Vmstat to view the CPU load of the system dimension Using top to view the CPU load of a process dimension Use Vmstat to view the CPU load at the system latitude:You can view CPU resource usage from the system dimension by Vmstat.Usage Instructio

Overview The basis of a multi-channel program operating system. By switching CPUs between processes, the operating system can increase the throughput rate of the computer.For single-processor systems, only one process is allowed to run at a time: any other process must wait until the CPU is idle to be dispatched. The CPU selects a process from the ready queue according to a certain scheduling algorithm, gi

Note: This content is excerpted from the "DevOps Troubleshooting: Best Practices for Linux server Operations" book System load The average system load is probably the first basic metric to use when solving problems that cause the system to run slowly. When troubleshooting a slow system, the first command I usually perform is uptime:650) this.width=650; "class=" Fit-image "src=" http://s1.51cto.com/wyfs02/M01/26/AA/ Wkiol1nsi6xzdziqaaad5zfasxa907.jpg "height=" "border=" 0 "width=" 4

Linux-CPU performance optimization, Preface What is performance optimization? In my opinion, performance optimization aims to improve application or system capabilities. So how can we optimize the performance of the application? We have designed a lot of content here, including the Linux kernel, CPU architecture and Linux kernel Resource Allocation and Management, and understanding the process creation pro

A journey through the CPU pipeline Compilation: @ deuso_ict AsProgramPersonnel, CPU plays a core role in our work, so it is not helpful for programmers to understand how the processor works. How does the CPU work? How long does it take to execute a command? What does this mean when we discuss whether a new processor has 12 or 18 or even 31 pipelines? Applic

I/O bound indicates that the CPU performance of the system is much better than that of the hard disk/memory. In this case, the system is operating, and most of the situations are that the CPU is waiting for I/O (Hard Disk/memory) in this case, the CPU loading is not high.CPU bound indicates that the system's hard disk/memory performance is much better than the

1.Preemptive Scheduling CPU scheduling decisons may take place under the following four conditions:1. When a process switches from running state to the waiting state (for example, I/O request, or invocation of waif wait for the termination of one of the Child processes)2. When a process switches from the running state to the ready state, for example, when an interupt occurs3. When a process switches from the waiting state to the ready state, for exa

[RK_2014_0918] in linux, test the impact of usleep function on CPU usage. rk_2014_0918usleep 1. Local Environment CPU information Intel (R) Core (TM) i3 cpu m 350 @ 2.27 GHz Intel(R) Core(TM) i3 CPU M 350 @ 2.27GHz Intel(R) Core(TM) i3 CPU M 350 @ 2.27GHz Intel(R) Core(T

Generally, for processes that require a large amount of CPU computing, the higher the front-end pressure, the higher the CPU utilization. However, for I/O network-intensive processes, even if there are many requests, the CPU of the server may not be very good. At this time, the Service bottleneck is generally on the disk I/O. In a long view, the

A few common commands, some nice explanationshttp://blog.csdn.net/wengpingbo/article/details/63020581.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 tot

CPU Configuration information:[Email protected]:~/test/python$ cat/proc/Cpuinfo Processor:0#系统中逻辑处理核的编号 Vendor_id:genuineintel #CPU制造商 CPU Family:6#CPU产品系列代号 Model: -#CPU属于其系列中的哪一代的代号 Model Name:intel (R) Xeon (r) CPU E5-2630V4 @2