Linux e Unix: Ferramentas de Monitoracao e Performance
Informações sobre processos - Information about process
- top (Linux)
- nmon (Linux)
- topas (AIX)
- topas-nmon (AIX)
VM Statistics & CPU
- vmstat (Linux/AIX)
Exemplo Linux:
Usage: vmstat [-V] [-n] [delay [count]] # vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 2 0 0 1226172 94704 991204 0 0 41 18 423 791 5 3 91 1 # vmstat 5 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 1226056 94920 991244 0 0 41 18 423 790 5 3 91 1 0 0 0 1226048 94936 991244 0 0 0 12 479 802 1 1 97 1 0 0 0 1225800 94936 991244 0 0 0 1 513 849 1 1 97 0
Exemplo AIX
# vmstat -lwt 5
I/O Statistics & Activity
- iostat (Linux/AIX)
# sudo apt-get install sysstat
# iostat -x
Linux 2.6.32-24-generic (ebasso) 16-09-2010 _i686_ (2 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
5,02 0,23 2,92 1,18 0,00 90,65
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util
sda 14,34 7,04 2,30 2,79 162,32 77,42 47,04 0,13 25,97 5,01 2,56
# iostat 30 120 > iostat.out &
120 coletas a cada 30 segundos
Network Statistics & Activity
- netstat (Linux/AIX)
# netstat -i Tabela de Interfaces do Kernel Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 181181 0 0 0 24087 0 0 0 BMRU lo 16436 0 9 0 0 0 9 0 0 0 LRU tun0 1362 0 14411 0 0 0 14792 0 0 0 MOPRU vmnet1 1500 0 0 0 0 0 489 0 0 0 BMRU vmnet8 1500 0 0 0 0 0 489 0 0 0 BMRU