In this tutorial, learn some of the useful command-line tools to check CPU usage and their usage in Linux-based distros. 1. Top Thetopcommand displays a real-time view of performance-related data of all running
The top command provides a quick look at system resources and processes. You can also control it to use it as the task manager in Linux terminal. Linux HandbookChristopher Murray sar command This command allows you to not only monitor CPU usage in intervals but also save this system activity ...
在终端中输入以下命令启动strace: stracecommand 这将输出程序的系统调用信息,并可帮助你分析程序的执行过程。 输出到文件 使用-o选项可以将strace的输出保存到文件中: strace -o output.txtcommand 输出详细信息 使用-v选项可以输出更详细的信息,包括寄存器和内存的内容: strace -vcommand 输出调用次数 使用-c选项可...
使用-o选项可以将strace的输出保存到文件中: strace -o output.txtcommand 输出详细信息 使用-v选项可以输出更详细的信息,包括寄存器和内存的内容: strace -vcommand 输出调用次数 使用-c选项可以统计系统调用的次数: strace -ccommand 跟踪特定系统调用 使用-e选项可以指定要跟踪的系统调用: strace -e trace=open,...
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 0 root 20 0 15084 1944 1632 R 2.0 0.2 0:00.01 top -bn 1 -i -c 如上所示,top命令可以看到总体的系统运行状态和cpu的使用率 。 %us:表示用户空间程序的cpu使用率(没有通过nice调度) ...
top Command to View Linux CPU Load Open a terminal window and enter the following command: topCopy The system responds by displaying a list of all the processes that are currently running. It also shows users, tasks, CPU load, and memory usage. ...
Find Linux Processes By RAM and CPU Usage That said, let’s dive in and get started. Check Top Processes sorted by RAM or CPU Usage in Linux The following command will show the list of top processes ordered by RAM and CPU use in descendant form (remove thepipelineandheadif you want to...
in表示中断的数量, cs表示上下文切换的数量, us表示用户CPU时间, sys表示系统CPU时间, wa表示由于IO等待而是CPU处于idle状态的时间, id表示CPU处于idle状态的总时间。 dstat可以给出每一个设备产生的中断数: # dstat -cip 1 ---total-cpu-usage--- ---interrupts--- ---procs--- usr ...
You can always use the top command to check the CPU utilization. However the htop command is a littlebetter tool than top. It shows CPU usage for each core and in a better, friendly interface. But it does not come pre-installed on most Linux distributions. ...
What Is the Command to Check Linux CPU Usage?1. topThis is one of the most widely used tools for monitoring CPU usage in Linux. It provides real-time information about system resource usage, including the CPU. The output shows a list of processes running on the system, sorted by the ave...