How to check top 5 cpu consuming process in linux It can lead to slowed performance, unresponsive applications, and a variety of other issues. Apr 27, 2025 · Is your Linux system running sluggishly? Maybe there are processes that are heavily consuming the use of the CPU, and also the memory. How To Check Top CPU Consuming Process In Linux Linux is renowned for its performance and stability, making it the operating system of choice for servers, workstations, and embedded systems. This article will guide you through various tools and methods to check CPU usage in Linux, helping you troubleshoot and optimize your system performance. What command can I use In this article I will show you how you can find the top 10 CPU consuming process in Linux. The list updates dynamically, allowing users to monitor system performance and… Jan 27, 2025 · Troubleshooting High CPU Utilization In Linux High CPU utilization is a common issue faced by Linux system administrators and users alike. For example, if 3 cores are at 60% use, top will show a CPU use of 180%. It shows the current state of system resources, including CPU and memory usage, as well as a list of processes sorted by resource consumption. Mastering top is essential for analyzing and troubleshooting Linux. In this article, we will discuss how to check the top 10 CPU-consuming processes in Linux, as well as explore the reasons behind their high CPU usage. In Linux, the top command is a handy tool that provides real-time performance insights. A few CPU-intensive processes can slow down the entire system and cause lag, freezes, or even crashes. The top command in Linux is used to display real-time information about the system’s processes. Let’s dive right in! What Causes High CPU Utilization? Jan 25, 2025 · In this article, we will delve into various methods to check top CPU-consuming processes on a Linux system, exploring different tools and commands available for this purpose. . As a system admin you always need to know which process is taking how much CPU in Linux and Ubuntu. Introduction to the top Command Jul 24, 2023 · Today we will see how to see the top 10 heaviest memory and CPU resource-consuming processes in Linux using a command-line tool called ps command. It displays critical information such as CPU usage, memory utilization, process activity, system load averages, and more, making it an essential tool for monitoring and managing system resources efficiently. Also, when it comes to servers, Linux is the best option due to its stability, security, and lightweight. Sep 18, 2023 · The top command in Linux offers a dynamic view of CPU processes in real time, providing a crucial snapshot of system health. These will be useful to check CPU utilization in Linux and Unix platforms. Apr 21, 2017 · This post will help you how to quickly find top CPU consuming processes in Linux. Apr 26, 2025 · Hey, Linux folks! Ever notice your system getting sluggish, even though the CPU’s not sweating? Chances are, something’s gobbling up all your RAM. Monitoring CPU utilization and CPU load is essential for optimizing performance. Understanding how to troubleshoot high CPU usage is key to maintaining system efficiency and stability. So this will not help. This tutorial provides a comprehensive guide to using the top command to monitor CPU usage, ensuring you can effectively manage and troubleshoot your system. Make sure you check out the manual page of the top using ‘ man top ‘ to learn more about the command. Linux is the best operating system for system administrators and developers. So that You can easily solve the issues in the Linux System. Aug 3, 2009 · I want to get the CPU and memory usage of a single process on Linux - I know the PID. This guide walks you through practical ways to check CPU usage in Linux – from essential commands like top and mpstat to visual monitoring with RunCloud. By default, top displays this as a percentage of a single CPU. While CPU utilization and load might sound similar, they’re actually quite different. lsof will give you all opened files with the size of the file or the file offset in bytes. To check top CPU Dec 27, 2023 · Find Processes Using Most CPU Linux By Linux Code / December 27, 2023 Find Processes Using Most CPU in Linux Knowing how to monitor and analyze CPU usage in Linux is an important troubleshooting skill for any system administrator or developer. Oct 9, 2025 · Checking CPU Utilization Using top The CPU is the powerhouse of any operating system, executing instructions that allow programs to run. This post shows simple examples of how to use the top command on Linux. Jul 23, 2025 · In Linux, various commands such as top, mpstat, sar and iostat provide real-time insights into how your CPU is being used, helping you understand workload distribution and optimize resource management. In Solaris the command you would need is: prstat -a -s size This will list all processes in order of descending process image size. Nov 6, 2017 · Each line contains the CPU usage in percent, the PID and the file of the process. Let's take a look at our old friend - ps - to see how it can display the memory and cpu Jul 24, 2023 · Conclusion In this article, we have seen how to find the top running processes by memory usage in Linux, using the top command-line utility. Mostly automated scripts are used to monitor the Memory utilization […] Jan 14, 2024 · Learn how to efficiently monitor and optimize your system's performance using tools like top, htop, vmstat, and more. But this will not solve your problem, in Linux everything is either file or process. Apr 26, 2025 · Sometimes we need to identify the processes that are consuming high memory and CPU to troubleshoot performance issues. On multi-core systems, you can have percentages that are greater than 100%. Jul 14, 2023 · In this article we will share a trick to find out, which Linux running processes are consuming lots of Memory (RAM) and CPU utilization in descendant form. Finding the Top CPU Consuming processes which causes the heavy load on the Linux system is important. When running a server, there are many processes running which we can check through the system monitor Nov 13, 2023 · The top command is one of the most useful tools for system administrators to monitor Linux performance. Jan 10, 2024 · Learn how to use the top and htop commands to monitor and manage running processes in real-time on Linux, with practical examples for DevOps professionals Feb 28, 2022 · Hello guys, In this article, We will discuss how to find the top running processes by memory and CPU usage. Nov 28, 2024 · Among the various tools available, the top command stands out as a powerful utility for real-time monitoring of system processes and resource usage. This article will explain the d Fig 5: Top 10 most CPU consuming processes The output of the above command provides process-related information such as process ID (PID), process user, and the command used to run the process. 1. Syntax of the 'top Jan 25, 2025 · In this article, we will delve into various methods to check top CPU-consuming processes on a Linux system, exploring different tools and commands available for this purpose. If you’re experiencing slow performance or high CPU load on your Linux system, it’s crucial to identify which processes are consuming the most resources. Oct 31, 2025 · This article aims to provide readers with practical and easy-to-follow methods to pinpoint the processes that are utilizing the most CPU power on their Linux system. Apache HTTP Server (httpd) The Apache HTTP Server, commonly known as httpd, is a popular open-source web server software used to serve websites and web applications. There are supposedly versions of "top" available for Solaris, but these are not part of the standard installation. So the files you opened will eating the memory too. So that you can take appropriate action on it. Memory-hungry processes can sneak up on you, and before you know it, your machine’s swapping like crazy or just freezing up. You can use preinstalled system utilities like ps, top commands or external tools like htop, vmstats etc. It displays key system metrics like: Process usage Memory consumption CPU load When a system experiences high CPU utilization, top helps identify which processes are using Aug 17, 2023 · The Linux top command is one of the stalwarts of Unix-like operating systems. In this article I will show you how you can find the top 10 CPU consuming process in Linux. Apr 30, 2022 · In this tutorial post, we will explain how to find the top memory and CPU resource-consuming processes in Linux. The command also provides a system information summary that shows resource utilization, including CPU and memory usage. However, like any operating system, it can encounter performance issues, particularly when it comes to resource utilization. We will delve into various command-line tools such as top, ps, and htop, each offering its unique approach to process monitoring. See here for more information. There are several command tools that can be used to identify the culprits. list processes with the most CPU usage ps ahux --sort=-c | awk 'NR<=5{printf"%s %6d %s\n",$3,$2,$11}' This shows the top 5 (NR<=5) processes currently causing the most CPU load. Jul 13, 2024 · As a sysadmin, it is important to keep a tab on the CPU usage. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. Jan 4, 2023 · The top command is a useful command line tool to monitor processes on Linux. Jul 18, 2014 · 177 %CPU -- CPU Usage : The percentage of your CPU that is being used by the process. Note that the latter is based on memory committed to the process by the OS, not its resident physical memory usage. Using top: when you open top, pressing m will sort processes based on memory usage. Let’s figure out how to find the top 10 culprits eating Aug 27, 2021 · We have already described in our previous article how to find high memory consumption processes in Linux. It provides a dynamic real-time view of the running system including processes, CPU usage, memory utilization, and more. In this tutorial, you will learn to use the top command in Linux and see some practical examples. In this comprehensive guide, we will explore the top command in […] Monitoring the server load and CPU usage one of the main task of the system administrator. Oct 17, 2018 · I am trying to find the top 10 processes which are consuming more CPU and Memory using the command ps -Ao user,uid,comm,pid,pcpu,pmem --sort=-pcpu | head -n 10 But it's not showing the correct da Apr 21, 2017 · This post will help you how to quickly find top CPU consuming processes in Linux. Oct 21, 2025 · Monitoring CPU performance helps you spot issues early, prevent slowdowns, and optimize your server for smoother performance. If you have any questions or feedback, let us know in the comments below! Aug 15, 2022 · The "CPU Frequency Scaling Monitor" applet shows my CPU is running at its maximum most of the time : However, the results of the top command always show that the top processes are around 2%, as usual. Here's how to do that in the Linux terminal. This article will explore the causes of high CPU utilization Feb 20, 2021 · In shared linux server environment it is important to track the usage of high CPU consuming processes. This guide dives deep into interpreting CPU usage in top output. Overview This article helps you determine which application is causing high CPU usage on your server. 1) top command to determine high CPU usage in Linux The Linux top command is the best and most well known command that everyone uses to monitor Linux system performance. Jan 7, 2024 · Tools to check top CPU consuming process If you just wish to monitor top CPU consuming process then there are various utilities such as top, vmstat, sar which can help you check high cpu usage process and give you runtime CPU utilization status in detail. Jul 25, 2025 · The 'top' Command in Linux is a dynamic, real-time utility that provides a detailed overview of system performance. What command can I use Oct 30, 2024 · The top (t able o f p rocesses) command shows a dynamic, real-time view of running processes and kernel -managed tasks in Linux. top - check high CPU utilization process top is a very useful tool for system administrators to monitor system resources. Its utilitarian display is packed with useful information about your system's running processes and resource usage. dub ji cqbn xcw 8cc xkk 4win7 jlpu owv bu