Re: [PATCH 0/7] [RFC] kernel: add a netlink interface to get information about processes

Arnd Bergmann
2015-02-17T08:53:19Z

On Tuesday 17 February 2015 11:20:19 Andrey Vagin wrote:
> task_diag is based on netlink sockets and looks like socket-diag, which
> is used to get information about sockets.
>
> A request is described by the task_diag_pid structure:
>
> struct task_diag_pid {
> __u64 show_flags; /* specify which information are required */
> __u64 dump_stratagy; /* specify a group of processes */
>
> __u32 pid;
> };

Can you explain how the interface relates to the 'taskstats' genetlink
API? Did you consider extending that interface to provide the
information you need instead of basing on the socket-diag?

Arnd