Messages in this thread | | | Date | Mon, 7 Sep 2020 12:02:24 +0100 | From | Qais Yousef <> | Subject | Re: [PATCH v2] sched/debug: Add new tracepoint to track cpu_capacity |
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On 09/02/20 09:54, Phil Auld wrote: > > > > I think this decoupling is not necessary. The natural place for those > > scheduler trace_event based on trace_points extension files is > > kernel/sched/ and here the internal sched.h can just be included. > > > > If someone really wants to build this as an out-of-tree module there is > > an easy way to make kernel/sched/sched.h visible. > > > > It's not so much that we really _want_ to do this in an external module. > But we aren't adding more trace events and my (limited) knowledge of > BPF let me to the conclusion that its raw tracepoint functionality > requires full events. I didn't see any other way to do it.
I did have a patch that allowed that. It might be worth trying to upstream it. It just required a new macro which could be problematic.
https://github.com/qais-yousef/linux/commit/fb9fea29edb8af327e6b2bf3bc41469a8e66df8b
With the above I could attach using bpf::RAW_TRACEPOINT mechanism.
Cheers
-- Qais Yousef
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