I/O statistics per process

[roland]

Hello list,

it`s great that linux now has i/o re-nice with cfq now, but how can the 
admin determine HOW MUCH i/o a process is actually generating ?

have seen this on windows (process explorer from sysinternals) and on 
solaris: (psio http://users.tpg.com.au/bdgcvb/psio.html  and pio
http://www.stormloader.com/yonghuang/freeware/pio.html),  but what`s the 
Linux (commandline) equivalent ?

is there a modified top/ps with i/o column, or is there yet missing 
something at the kernel level for getting that counters from ?


regards
Roland K.
systems engineer. 

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