找出占用cpu内存过高的进程

找出占用cpu内存过高的进程

准备

//分析占用CPU最高的应用
[root@dy1 ~]# ps -eo user,pid,pcpu,pmem,args --sort=-pcpu  |head -n 10
USER        PID %CPU %MEM COMMAND
root       7365  1.0  0.0 ps -eo user,pid,pcpu,pmem,args --sort=-pcpu
root         46  0.2  0.0 [kworker/0:2]
root          1  0.1  0.1 /usr/lib/systemd/systemd --switched-root --system --deserialize 22
root       3175  0.1  0.1 /usr/lib/systemd/systemd-udevd
root       6581  0.1  0.3 /usr/bin/vmtoolsd
root          2  0.0  0.0 [kthreadd]
root          3  0.0  0.0 [ksoftirqd/0]
root          5  0.0  0.0 [kworker/0:0H]
root          6  0.0  0.0 [kworker/u256:0]

//分析占用内存最高的应用
[root@dy1 ~]# ps -eo user,pid,pcpu,pmem,args --sort=-pmem  |head -n 10
USER        PID %CPU %MEM COMMAND
root       6925  0.0  0.8 /usr/bin/python2 -Es /usr/sbin/tuned -l -P
polkitd    6578  0.0  0.6 /usr/lib/polkit-1/polkitd --no-debug
root       6580  0.0  0.6 /usr/sbin/NetworkManager --no-daemon
root       6927  0.0  0.5 /usr/sbin/rsyslogd -n
root       6581  0.1  0.3 /usr/bin/vmtoolsd
root       6311  0.0  0.3 /usr/bin/VGAuthService -s
root       7206  0.0  0.2 sshd: root@pts/0
root       6696  0.0  0.2 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /var/run/dhclient-eth0.pid -lf /var/lib/NetworkManager/dhclient-5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03-eth0.lease -cf /var/lib/NetworkManager/dhclient-eth0.conf eth0
root       6697  0.0  0.2 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /var/run/dhclient-eth1.pid -lf /var/lib/NetworkManager/dhclient-0121e71e-c281-3df3-a790-c05e7f76cda1-eth1.lease -cf /var/lib/NetworkManager/dhclient-eth1.conf eth1

整合

#!/bin/bash
echo "-------------------CUP占用前10排序--------------------------------"
ps -eo user,pid,pcpu,pmem,args --sort=-pcpu  |head -n 10
echo "-------------------内存占用前10排序--------------------------------"
ps -eo user,pid,pcpu,pmem,args --sort=-pmem  |head -n 10
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