>> -sh-4.4# ./getdelays -d -p 186 -v >> print delayacct stats ON >> debug on >> Error getting family id, errno 0 >> >> As more and more applications are deployed in containers like Docker, >> it is necessary to support getdelays to be used in net namespace. >> Taskstats is safe for use per namespace as genetlink checks the >> capability of namespace message by netlink_ns_capable(). >> >> Make taskstats available via genetlink per namespace. > > Let me add a polite nack to this patch. > Taskstats is completely senseless in a network namespace. There is no > translation of identifiers into the context of the receiver of the > message. The interface of taskstats is genetlink that is sensible in net namsespace. > To make this work requires updating the taskstats code to do something > sensible when in a pid namespace, as well as when in a network > namespace. Yes. Taskstats already does convert the input process ID into the task in the correspoding pid namsespace. Do you mean to add some check of current user's capability like SYS_ADMIN or else?
