yum install -y dstat

Usage: dstat [-afv] [options..] [delay [count]]
Versatile tool for generating system resource statistics

Dstat options:
-c, --cpu enable cpu stats
-C 0,3,total include cpu0, cpu3 and total
-d, --disk enable disk stats
-D total,hda include hda and total
-g, --page enable page stats
-i, --int enable interrupt stats
-I 5,eth2 include int5 and interrupt used by eth2
-l, --load enable load stats
-m, --mem enable memory stats
-n, --net enable network stats
-N eth1,total include eth1 and total
-p, --proc enable process stats
-r, --io enable io stats (I/O requests completed)
-s, --swap enable swap stats
-S swap1,total include swap1 and total
-t, --time enable time/date output
-T, --epoch enable time counter (seconds since epoch)
-y, --sys enable system stats

--aio enable aio stats
--fs, --filesystem enable fs stats
--ipc enable ipc stats
--lock enable lock stats
--raw enable raw stats
--socket enable socket stats
--tcp enable tcp stats
--udp enable udp stats
--unix enable unix stats
--vm enable vm stats

--plugin-name enable plugins by plugin name (see manual)
--list list all available plugins

-a, --all equals -cdngy (default)
-f, --full automatically expand -C, -D, -I, -N and -S lists
-v, --vmstat equals -pmgdsc -D total

--bits force bits for values expressed in bytes
--float force float values on screen
--integer force integer values on screen

--bw, --blackonwhite change colors for white background terminal
--nocolor disable colors (implies --noupdate)
--noheaders disable repetitive headers
--noupdate disable intermediate updates
--output file write CSV output to file
--profile show profiling statistics when exiting dstat

delay is the delay in seconds between each update (default: 1)
count is the number of updates to display before exiting (default: unlimited)


[root@gcp ~]# dstat --list
aio, cpu, cpu24, disk, disk24, disk24old, epoch, fs, int, int24, io, ipc, load, lock, mem, net, page, page24, proc, raw, socket, swap, swapold, sys, tcp, time, udp,
unix, vm
battery, battery-remain, cpufreq, dbus, disk-tps, disk-util, dstat, dstat-cpu, dstat-ctxt, dstat-mem, fan, freespace, gpfs, gpfs-ops, helloworld, innodb-buffer,
innodb-io, innodb-ops, lustre, memcache-hits, mysql-io, mysql-keys, mysql5-cmds, mysql5-conn, mysql5-io, mysql5-keys, net-packets, nfs3, nfs3-ops, nfsd3, nfsd3-ops,
ntp, postfix, power, proc-count, qmail, rpc, rpcd, sendmail, snooze, squid, test, thermal, top-bio, top-bio-adv, top-childwait, top-cpu, top-cpu-adv, top-cputime,
top-cputime-avg, top-int, top-io, top-io-adv, top-latency, top-latency-avg, top-mem, top-oom, utmp, vm-memctl, vmk-hba, vmk-int, vmk-nic, vz-cpu, vz-io, vz-ubc, wifi


-–disk-util :显示某一时间磁盘的忙碌状况
-–freespace :显示当前磁盘空间使用率
-–proc-count :显示正在运行的程序数量
-–top-bio :指出块I/O最大的进程
-–top-cpu :图形化显示CPU占用最大的进程
-–top-io :显示正常I/O最大的进程
-–top-mem :显示占用最多内存的进程

dstat -tsp --socket --fs 监控swap,process,sockets,filesystem并显示监控的时间
dstat -g -l -m -s --top-mem 查看全部内存都有谁在占用
dstat -c -y -l --proc-count --top-cpu CPU资源损耗
dstat –output /tmp/test.csv -cdn 输出一个csv文件


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