Re: [PATCH 0/6] enable creating [k,u]probe with perf_event_open

From: Peter Zijlstra
Date: Thu Nov 23 2017 - 04:50:01 EST

On Thu, Nov 23, 2017 at 01:02:00AM -0800, Christoph Hellwig wrote:
> Just curious: why do you want to overload a multiplexer syscall even
> more instead of adding explicit syscalls?

Mostly because perf provides much of what they already want; fd-based
lifetime and bpf integration.