Messages in this thread |  | | Date | Wed, 30 Mar 2005 10:11:47 -0800 | From | Jay Lan <> | Subject | Re: [patch 1/2] fork_connector: add a fork connector |
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The parent information ((ppid,pid) pair) is useful for process group aggregation while do_exit() hook is needed to save per task accounting data before the task data is disposed.
Thanks, - jay
dean gaudet wrote: > On Tue, 29 Mar 2005, Jay Lan wrote: > > >>The fork_connector is not designed to solve accounting data collection >>problem. >> >>The accounting data collection must be done via a hook from do_exit(). > > > by the time do_exit() occurs the parent may have disappeared... you do > need to record something at fork() time so that you can account to the > correct ancestor. > > an example of where this ancestry is useful would be the summation of all > cpu time spent by children of apache, spamd, clamd, ... > > -dean
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