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
Topas_nmon
- topas_nmon (AIX)
# topas_nmon
1 - CPU currently 1 - CPU configured 1904 - MHz CPU clock rate PowerPC_POWER4 - Processor 64 bit - Hardware 32 bit - Kernel 7,P0307_HOMOL_TST_XXXXX - Logical Partition 5.3.12.1 TL12 - AIX Kernel Version xxxx3007 - Hostname xxxx3007 - Node/WPAR Name 0231EDD - Serial Number IBM,7040-681 - Machine Type
Análise dos arquivos que estão no /var/nmon do AIX: http://www.ibm.com/developerworks/aix/library/au-nmon_analyser/
prtconf
- prtconf (AIX)
# prtconf System Model: IBM,7040-681 Machine Serial Number: 0231EDD Processor Type: PowerPC_POWER4 Processor Implementation Mode: POWER 4 Processor Version: PV_4_2 Number Of Processors: 1 Processor Clock Speed: 1904 MHz CPU Type: 64-bit Kernel Type: 32-bit LPAR Info: 7 P0307_HOMOL_TST_COLAB1 Memory Size: 16384 MB Good Memory Size: 16384 MB Platform Firmware level: 3H050715 Firmware Version: IBM,RG050715_d79e12_r Console Login: enable Auto Restart: true Full Core: false ...
svmon
Uso de VM pelos processos: svmon -P -O summary=basic,unit=MB svmon -P PID http://pic.dhe.ibm.com/infocenter/aix/v6r1/index.jsp?topic=%2Fcom.ibm.aix.prftungd%2Fdoc%2Fprftungd%2Fmem_use_processes.htm
Quantidade de CPU no AIX por LPAR
lparstat -i
Verificar por online ...
Memória Livre no AIX
Criar um arquivo showFreeMemory.sh
vi showFreeMemory.sh
colar esse conteúdo:
memory=`prtconf -m | awk 'BEGIN {FS=" "} {print $3/1024}'`
usedmem=`svmon -G | grep memory | awk 'BEGIN {FS=" "} {print $3/256/1024}'`
freemem=`echo $memory-$usedmem | bc -l`
# Conclusion
echo "Avai Mem: $memory GB"
echo "Free Mem: $freemem GB"
echo "Used Mem: $usedmem GB"
Salvar
Alterar a permissão
chmod 755 showFreeMemory.sh
saida é isso:
Avai Mem: 8 GB Free Mem: 2.24053 GB Used Mem: 5.75947 GB 16:29:02