日常管理中使用需要经常查看服务器状态和性能,比如IO占用情况,及内存使用情况,硬盘,CPU等等。网络上搜罗了一下,这个dstat软件还是比较不错能满足日常分析。本人采用的是X64系统,在CentOS6.2系统下采用yum进行安装dstat软件
默认情况它会收集 cpu、disk、net、paging、system 数据,一秒钟收集一次
[root@kiccleaf ~]# dstat #运行命令是否已经安装 -bash: dstat: command not found #没有找到此命令 [root@kiccleaf ~]# yum install dstat #进行安装 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.163.com * extras: mirrors.163.com * updates: mirrors.163.com base | 3.7 kB 00:00 extras | 3.5 kB 00:00 updates | 3.5 kB 00:00 updates/primary_db | 654 kB 00:02 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package dstat.noarch 0:0.7.0-1.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================= Package Arch Version Repository Size ======================================================================= Installing: dstat noarch 0.7.0-1.el6 base 144 k Transaction Summary ======================================================================= Install 1 Package(s) Total download size: 144 k Installed size: 660 k Is this ok [y/N]: y #输入y进行安装 Downloading Packages: dstat-0.7.0-1.el6.noarch.rpm | 144 kB 00:01 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : dstat-0.7.0-1.el6.noarch 1/1 Installed: dstat.noarch 0:0.7.0-1.el6 Complete! [root@kiccleaf ~]# dstat -d #查看硬盘IO操作 -dsk/total- read writ 861k 90k 0 0 0 68k 4096B 1216k 0 112k [root@kiccleaf ~]# dstat -h #查看帮助文档 Usage: dstat [-afv] [options..] [delay [count]] Versatile tool for generating system resource statistics Dstat options: -c, --cpu enable cpu stats 显示CPU情况 -C 0,3,total include cpu0, cpu3 and total -d, --disk enable disk stats 显示磁盘情况 -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 显示内存情况 -n, --net enable network stats 显示网络情况 -N eth1,total include eth1 and total 可以指定网络接口 -p, --proc enable process stats -r, --io enable io stats (I/O requests completed) -s, --swap enable swap stats 显示swap情况 -S swap1,total include swap1 and total 可以指定多个swap -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 报告IPC消息队列和信号量的使用情况 --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) 使用-cdngy 缺省的就是这样显示 -f, --full automatically expand -C, -D, -I, -N and -S lists 使用 -C, -D, -I, -N and -S 显示 -v, --vmstat equals -pmgdsc -D total 使用-pmgdsc -D 显示 --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 只显示一次表头以后就不显示了,使用重定向写入文件时很有用 --noupdate disable intermediate updates --output file write CSV output to file delay is the delay in seconds between each update (default: 1) count is the number of updates to display before exiting (default: unlimited)
较为长用的命令,来观察系统运行情况
#如果你想10秒收集一次,就输入: dstat -cdlmnpsy 10
[root@kiccleaf ~]# dstat -cdlmnpsy ----total-cpu-usage---- -dsk/total- ---load-avg--- ------memory-usage----- -net/total- ---procs--- ----swap--- ---system-- usr sys idl wai hiq siq| read writ| 1m 5m 15m | used buff cach free| recv send|run blk new| used free| int csw 0 0 99 0 0 0| 104k 14k| 0 0 0|66.9M 8332k 81.5M 837M| 0 0 | 0 0 1.3| 0 2016M| 65 44 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 60B 1354B| 0 0 0| 0 2016M| 28 17 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 60B 522B| 0 0 0| 0 2016M| 24 17 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 60B 522B| 0 0 0| 0 2016M| 27 18 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 552B 522B| 0 0 0| 0 2016M| 28 23 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 60B 522B| 0 0 0| 0 2016M| 26 17 0 0 100 0 0 0| 0 0 | 0 0 0|66.9M 8332k 81.5M 837M| 491B 522B| 0 0 0| 0 2016M| 31 17
统计CPU,IO ,network,system load
[root@kiccleaf ~]# dstat -cndymlp -N total -D total 5 25 ----total-cpu-usage---- -net/total- -dsk/total- ---system-- ------memory-usage----- ---load-avg--- ---procs--- usr sys idl wai hiq siq| recv send| read writ| int csw | used buff cach free| 1m 5m 15m |run blk new 0 0 99 0 0 0| 0 0 | 96k 13k| 62 42 |66.8M 8332k 81.5M 837M| 0 0 0| 0 0 1.2 0 0 100 0 0 0| 218B 636B| 0 0 | 27 19 |66.9M 8332k 81.5M 837M| 0 0 0| 0 0 0 0 0 100 0 0 0| 242B 477B| 0 0 | 29 18 |66.9M 8332k 81.5M 837M| 0 0 0| 0 0 0 0 0 100 0 0 0| 324B 479B| 0 0 | 28 18 |66.9M 8332k 81.5M 837M| 0 0 0| 0 0 0
统计网卡1的信息
[root@kiccleaf ~]# dstat -cdnsil -D hda -N eth1 Module dstat_disk24old failed to load. (No suitable block devices found to monitor) Module dstat_net failed to load. (No suitable network interfaces found to monitor) ----total-cpu-usage---- ----swap--- ----interrupts--- ---load-avg--- usr sys idl wai hiq siq| used free| 17 18 19 | 1m 5m 15m 0 0 99 0 0 0| 0 2016M| 4 0 3 | 0 0 0 0 0 100 0 0 0| 0 2016M| 0 0 3 | 0 0 0 0 0 100 0 0 0| 0 2016M| 0 0 4 | 0 0 0 0 0 100 0 0 0| 0 2016M| 0 0 3 | 0 0 0 0 0 100 0 0 0| 0 2016M| 0 0 4 | 0 0 0
内存使用情况
[root@kiccleaf ~]# dstat -vmstat Terminal width too small, trimming output. ---procs--- ------memory-usage----- ---paging-- -dsk/total- ---system-- ----total-cpu-usage---- ------memory-usage----- ----swap--- ----system---- ----total-cpu-usage----> run blk new| used buff cach free| in out | read writ| int csw |usr sys idl wai hiq siq| used buff cach free| used free| date/time |usr sys idl wai hiq siq> 0.0 0 1.1|66.8M 8332k 81.5M 837M| 0 0 | 88k 12k| 59 40 | 0 0 99 0 0 0|66.8M 8332k 81.5M 837M| 0 2016M|05-01 21:52:57| 0 0 99 0 0 0> 0 0 0|66.8M 8340k 81.5M 837M| 0 0 | 0 12k| 40 27 | 0 0 100 0 0 0|66.8M 8340k 81.5M 837M| 0 2016M|05-01 21:52:58| 0 0 100 0 0 0> 0 0 0|66.8M 8340k 81.5M 837M| 0 0 | 0 0 | 31 21 | 0 0 100 0 0 0|66.8M 8340k 81.5M 837M| 0 2016M|05-01 21:52:59| 0 0 100 0 0 0> 0 0 0|66.8M 8340k 81.5M 837M| 0 0 | 0 0 | 28 16 | 0 0 100 0 0 0|66.8M 8340k 81.5M 837M| 0 2016M|05-01 21:53:00| 0 0 100 0 0 0> 0 0 0|66.8M 8340k 81.5M 837M| 0 0 | 0 0 | 36 19 | 0 0 100 0 0 0|66.8M 8340k 81.5M 837M| 0 2016M|05-01 21:53:01| 0 0 100 0 0 0>Leave a Comment