File System performance

[Sunil Sunder Raj]

Does the feebsd port collection have any tool to debug or benchmark IO performance
systat -iosttat just gives me the below output

                    /0   /1   /2   /3   /4   /5   /6   /7   /8   /9   /10
     Load Average   |

          /0   /10  /20  /30  /40  /50  /60  /70  /80  /90  /100
cpu  user|XX
     nice|
   system|X
interrupt|
     idle|XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

          /0   /10  /20  /30  /40  /50  /60  /70  /80  /90  /100
ad0   MB/s
      tps|
twed0 MB/s
      tps|XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX411.32


How do I get detailed information on which process is using the io. Something like perfmon.


_________________________________________________________________
Insert movie times and more without leaving Hotmail®. 
http://windowslive.com/Tutorial/Hotmail/QuickAdd?ocid=TXT_TAGLM_WL_HM_Tutorial_QuickAdd_062009