monitor cpu utilization in linux

1. Monitor CPU utilization (via Vmstat tool)#!/bin/bash#====================================================# Author:lizhenliang-email:[email Protected]# Create DATE:2015-02-01# DESCRIPTION:CPU Utilization Monitor# blog:lizhenliang.blog.51cto.com#============================

| awk ' {PRINT $ $} ' | Sed-n ' $p ') cpu_wa=$ (Vmstat | awk ' {PRINT $16} ' | Sed-n ' $p ') cpu_st=$ (Vmstat | awk ' {PRINT $17} ' | Sed-n ' $p ') echo-e "cpuinfo:\nus=$ cpu_us\nsy= $CPU _sy\nid= $CPU _id\nwa= $CPU _wa\nst= $CPU _st " 2, based on/proc/stat computing

#!/bin/bash#createdate: 2016-11-15Date= ' date+%f ' "%h:%m"ip= ' Ifconfigeth0 | awk '/inet addr/{print $} ' | Cut-d:-f2`Echo-e "\033[032mdate: $Date \nhost: $IP \n\033[0m"echo-----------------CPU----------------Cpu_us= ' Vmstat|awk ' {print $13} ' |sed-n ' $p 'Cpu_sy= ' Vmstat|awk ' {print $14} ' |sed-n ' $p 'Cpu_id= ' Vmstat|awk ' {print $} ' |sed-n ' $p 'Cpu_wa= ' Vmstat|awk ' {print $16} ' |sed-n ' $p 'cpu_sum=$ (($

#!/bin/bash#createdate: 2016-11-15Date= ' date+%f ' "%h:%m"ip= ' Ifconfigeth0 | awk '/inet addr/{print $} ' | Cut-d:-f2`Echo-e "\033[032mdate: $Date \nhost: $IP \n\033[0m"echo-----------------CPU----------------Cpu_us= ' Vmstat|awk ' {print $13} ' |sed-n ' $p 'Cpu_sy= ' Vmstat|awk ' {print $14} ' |sed-n ' $p 'Cpu_id= ' Vmstat|awk ' {print $} ' |sed-n ' $p 'Cpu_wa= ' Vmstat|awk ' {print $16} ' |sed-n ' $p 'cpu_sum=$ (($

first section CPU utilization and CPU load Under Linux/unix, CPU utilization (CPU utilization) is divided into user state, System State and idle state, respectively, the

The last article on how to use LoadRunner monitor Linux performance indicators, but the CPU on a few indicators are not clear, the following detailed said. CPU Utilization good understanding, that is, CPU utilization, more than 7

:09.63java7639 Fjzag 0 206m 10m 7136 S 98 2.2 1:12.59java7639 Fjzag 0 206m 10m 7136 S 2.2 1:15.55java7639 Fjzag 0 206m 10m 7136 S 2.2 1:18.55java7639 Fjzag 0 206m 10m 7136 S 2.2 1:21.54java7639 Fjzag 0 206m 10m 7136 S 2.2 1:24.52java7639 Fjzag 0 206m 10m 7136 S 98 2.2 1:27.46 Java Experiment Two: monitor the CPU utilization of the jconsole

1, anti-virus software caused the failure Because of the new version of KV, Jinshan, rising are added to the Web page, plug-ins, mail random monitoring, undoubtedly increased the system burden. Treatment: Basically there is no reasonable treatment, try to use the least monitoring services, or, upgrade your hardware equipment. 2, the driver has not been certified, resulting in 100% CPU resource consumption A large number of beta drivers are flooding

method is to wait for the previous time: 1. Record cpu usage at a specific time point 2. Wait for the previous time period 3. Record the current cpu usage 4. Calculate the total time slice Sum all cpu usage for the first time and obtain j1 Sum up all cpu usage for the second time and obtain j2 J2-j1 gets all time slic

slices for this time periodThat is, total = j2-j1 = sum of all columns for the second time-sum of all columns for the first time5. Calculate the idle timeIdle corresponds to the data in the Fifth Column. Use the second value minus the first value.Idle = fifth column of the second operation-fifth column of the first operation6. Calculate CPU usageRate = (total-idle)/Total See http://oss.lzu.edu.cn/blog/article.php? Tid_1379.htmlWhen we conduct p

, CPU status, memory usage, swap occupancy . Input: TopOutput: From the CPU state that line, you can clearly grasp the CPU utilization: User mode (US), System mode (SY), Low priority user mode (NI), idle task (ID), I/O Waiting (WA). The top command can also detail how much CPU