Integrate delay accounting with systemtap?

[Frank Ch. Eigler]

Ananth N Mavinakayanahalli <ananth@in.ibm.com> writes:

> [...]  We shouldn't be using any probes or functions in kernel for
> this feature. Rather, SystemTap should be taught to listen to the
> netlink socket where this information is available.

What do you mean by "listen to the netlink socket"?  The netlink
widget is (roughly speaking) a way for user-space programs to run
kernel queries outside the many other available methods.  But
systemtap scripts already run in kernel space.  How/why would you want
them to talk across netlink sockets?

- FChE