get accounting info for running process
cronfy at sprinthost.ru
Thu Nov 19 17:01:47 UTC 2009
>> Is it possible to find out how much a process have used CPU user
>> time/system time/IO operations for now by it's pid? Like in sa, but for
>> running process.
Dan, Mel, thanks for your answers. I examined 'ps' sources and decided
to use kvm_getprocs() and rusage structure.
I am trying to create a daemon that would report system accounting stats
for every X seconds, let's say 10. 'sa' reports about terminated
processes only, but it would be nice to have more detailed system usage
stats per user for a given time interval (i.e. last 10 seconds),
including tasks that are not finished at the moment of querying.
I can achieve this by querying list of processes each 10 seconds and
producing diffs between previous and current list, saving these to some
log and combining data with /var/account/acct file.
The only thing I do not want to do is to invent a wheel ;-) I googled
much for such solutions, but did not find any. May be someone knows
existing products that has this functionality already?
Thanks in advance.
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