linux性能分析工具dstat是怎样的

本篇文章给大家分享的是有关linux性能分析工具dstat是怎样的，小编觉得挺实用的，因此分享给大家学习，希望大家阅读完这篇文章后可以有所收获，话不多说，跟着小编一起来看看吧。

linux性能分析图表

dstat概述

linux虽然有iostat或vmstat相关工具，dstat提供另一种可以监控磁盘及CPU或网络等性能瓶颈的全新方法。可以丰富分析诊断操作系统性能故障手段。

前提条件

[root@three57 ~]# more /etc/redhat-release Red Hat Enterprise Linux Server release 6.8 (Santiago)

[root@three57 ~]# dstat -VDstat 0.7.0

dstat语义

[root@three57 ~]# dstat --helpUsage: dstat [-afv] [options..] [delay [count]]Versatile tool for generating system resource statisticsDstat 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,eth3           include int5 and interrupt used by eth3  -l, --load             enable load stats  -m, --mem              enable memory stats  -n, --net              enable network stats     -N eth2,total          include eth2 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  --bw, --blackonwhite   change colors for white background terminal  --float                force float values on screen  --integer              force integer values on screen  --nocolor              disable colors (implies --noupdate)  --noheaders            disable repetitive headers  --noupdate             disable intermediate updates  --output file          write CSV output to filedelay is the delay in seconds between each update (default: 1)count is the number of updates to display before exiting (default: unlimited)

dstat命令示例

2，默认显示分为5个部分第一部分  cpu部分第二部分  磁盘读写第三部分  网卡发送及接收第四部分  换页换出第五部分  上下文切换及中断[root@three57 ~]# dstat----total-cpu-usage---- -dsk/total- -net/total- ---paging-- ---system--usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw   0   0 100   0   0   0|  76k   47k|   0     0 |   0     1B|  29   825   0   0 100   0   0   0|   0     0 |  66B  826B|   0     0 |  40    94   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  11    37   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  33    92   0   0  99   1   0   0|   0    56k|  66B  346B|   0     0 |  20    47   0   1  99   0   0   0|   0     0 |  66B  346B|   0     0 |  35    95   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  14    46   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  33    92   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  13    41   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  32    93   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  15    40   1   0  99   0   0   0|   0     0 |  66B  346B|   0     0 |  34    93   0   0 100   0   0   0|   0     0 |  66B  346B|   0     0 |  11    373，显示文件系统[root@three57 ~]# dstat  --fs--filesystem-files  inodes 2752  37079  2752  37079  2752  37079  2752  37079  2752  37079  2752  37079  2752  37079  2752  37079 ^C[root@three57 ~]# 4，显示系统负载[root@three57 ~]# dstat  --load---load-avg--- 1m   5m  15m 0.07 0.12 0.170.07 0.12 0.170.07 0.12 0.170.07 0.12 0.17^C[root@three57 ~]# 5，显示内存[root@three57 ~]# dstat --mem------memory-usage----- used  buff  cach  free 540M 56.1M 1169M  113M 540M 56.1M 1169M  113M 540M 56.1M 1169M  113M 540M 56.1M 1169M  113M^C 6，显示进程 [root@three57 ~]# dstat --proc---procs---run blk new  0   0 0.6  0   0   0  0   0   0  0   0   0  0   0   0  0   0   0^C[root@three57 ~]# 7，显示时间[root@three57 ~]# dstat --time----system----  date/time   18-11 23:21:0918-11 23:21:1018-11 23:21:1118-11 23:21:1218-11 23:21:1318-11 23:21:1418-11 23:21:1518-11 23:21:1618-11 23:21:17^C[root@three57 ~]# [root@three57 ~]# dstat --time --mem----system---- ------memory-usage-----  date/time   | used  buff  cach  free18-11 23:21:37| 540M 56.1M 1169M  113M18-11 23:21:38| 540M 56.1M 1169M  113M18-11 23:21:39| 540M 56.1M 1169M  113M18-11 23:21:40| 540M 56.1M 1169M  113M^C8，显示opoch[root@three57 ~]# dstat --time --mem --epoch----system---- ------memory-usage----- --epoch---  date/time   | used  buff  cach  free|  epoch   18-11 23:22:19| 540M 56.1M 1169M  113M|157409053918-11 23:22:20| 540M 56.1M 1169M  113M|157409054018-11 23:22:21| 540M 56.1M 1169M  113M|157409054118-11 23:22:22| 540M 56.1M 1169M  113M|1574090542^C9,显示aio[root@three57 ~]# dstat --time --aio----system---- async  date/time   | #aio18-11 23:22:50|2661B18-11 23:22:51|2661B18-11 23:22:52|2661B18-11 23:22:53|2661B18-11 23:22:54|2661B^C10,显示ipc[root@three57 ~]# dstat --time --ipc----system---- --sysv-ipc-  date/time   |msg sem shm18-11 23:23:18|  0   2   518-11 23:23:19|  0   2   518-11 23:23:20|  0   2   5^C11,显示锁[root@three57 ~]# dstat --time --lock----system---- ---file-locks--  date/time   |pos lck rea wri18-11 23:23:48| 33 5.0   0  3818-11 23:23:49| 33 5.0   0  3818-11 23:23:50| 33 5.0   0  3818-11 23:23:51| 33 5.0   0  38^C12，显示socket[root@three57 ~]# dstat --time --socket----system---- ------sockets------  date/time   |tot tcp udp raw frg18-11 23:24:26|391   9   7   0   018-11 23:24:27|391   9   7   0   018-11 23:24:28|391   9   7   0   018-11 23:24:29|391   9   7   0   018-11 23:24:30|391   9   7   0   0^C13,显示tcp[root@three57 ~]# dstat --time --tcp----system---- ----tcp-sockets----  date/time   |lis act syn tim clo18-11 23:24:52| 12   3   0   0   018-11 23:24:53| 12   3   0   0   018-11 23:24:54| 12   3   0   0   018-11 23:24:55| 12   3   0   0   018-11 23:24:56| 12   3   0   0   018-11 23:24:57| 12   3   0   0   018-11 23:24:58| 12   3   0   0   018-11 23:24:59| 12   3   0   0   0^C14,显示所有可用插件[root@three57 ~]# dstat --time --listinternal:        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/usr/share/dstat:        battery, battery-remain, cpufreq, dbus, disk-util, 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, rpc, rpcd, sendmail, snooze, thermal, top-bio, top-cpu, top-cputime, top-cputime-avg, top-io, top-latency, top-latency-avg,         top-mem, top-oom, utmp, vm-memctl, vmk-hba, vmk-int, vmk-nic, vz-cpu, vz-io, vz-ubc, wifi15，重定向到一个文件[root@three57 ~]# dstat --time --aio --output /dstat.log----system---- async  date/time   | #aio18-11 23:27:33|2661B18-11 23:27:34|2661B18-11 23:27:35|2661B18-11 23:27:36|2661B18-11 23:27:37|2661B18-11 23:27:38|2661B18-11 23:27:39|2661B18-11 23:27:40|2661B18-11 23:27:41|2661B^C[root@three57 ~]# more /dstat.log "Dstat 0.7.0 CSV output""Author:","Dag Wieers ",,,,"URL:","http://dag.wieers.com/home-made/dstat/""Host:","three57",,,,"User:","root""Cmdline:","dstat --time --aio --output /dstat.log",,,,"Date:","18 Nov 2019 23:27:33 CST""system","async""date/time","#aio"18-11 23:27:33,2661.018-11 23:27:34,2661.018-11 23:27:35,2661.018-11 23:27:36,2661.018-11 23:27:37,2661.018-11 23:27:38,2661.018-11 23:27:39,2661.018-11 23:27:40,2661.018-11 23:27:41,2661.0      

以上就是linux性能分析工具dstat是怎样的，小编相信有部分知识点可能是我们日常工作会见到或用到的。希望你能通过这篇文章学到更多知识。更多详情敬请关注行业资讯频道。