????1. sysbench ????
????sysbench???????黯?????????????????????????????????????????????????? ?μ????????????????????????????????????http://sysbench.sourceforge.net??
????????????????????????????
????cpu????
????????io????
???????????????
?????????估???????
????POSIX???????
?????????????(OLTP???????)
??????sysbench??????MySQL??Pgsql??Oracle??3???????
????2. ???sysbench
????????Debain????????????????????
????sudo apt-get install sysbench
?????????????????????????????
????????????http://sysbench.sourceforge.net/
????????????http://sourceforge.net/projects/sysbench
????????????http://sysbench.sourceforge.net/docs
????3. ???????
????3.1 CPU???????
????????????????????CPU???????64λ????????????????????????????????????
????sysbench --test=cpu --cpu-max-prime=20000 run
??????????￡?

Maximum prime number checked in CPU test: 200000
Test execution summary:
total time:                          286.5703s
total number of events:              10000
total time taken by event execution: 285197.4463
per-request statistics:
min:                                109.67ms
avg:                              28519.74ms
max:                              36760.02ms
approx.  95 percentile:           31751.56ms
Threads fairness:
events (avg/stddev):           9.7656/0.81
execution time (avg/stddev):   278.5131/6.05

?????????????????????????(total time)???ɡ?
????CPU?????????????????????????????????????????????????????cpu processor??????????????????????????????????????????????????????????????
????sysbench --test=cpu --num-threads=`grep "processor" /proc/cpuinfo | wc -l`
????--cpu-max-prime=200000 run