On Thu, May 20, 2021 at 2:17 PM Jonathan Corbet <corbet@xxxxxxx> wrote: > > Peter Oskolkov <posk@xxxxxxxxxx> writes: > > > As indicated earlier in the FUTEX_SWAP patchset: > > > > https://lore.kernel.org/lkml/20200722234538.166697-1-posk@xxxxxxx/ > > > > "Google Fibers" is a userspace scheduling framework > > used widely and successfully at Google to improve in-process workload > > isolation and response latencies. We are working on open-sourcing > > this framework, and UMCG (User-Managed Concurrency Groups) kernel > > patches are intended as the foundation of this. > > So I have to ask...is there *any* documentation out there on what this > is and how people are supposed to use it? Shockingly, typing "Google > fibers" into Google leads to a less than fully joyful outcome... This > won't be easy for anybody to review if they have to start by > reverse-engineering what it's supposed to do. Hi Jonathan, There is this Linux Plumbers video: https://www.youtube.com/watch?v=KXuZi9aeGTw And the pdf: http://pdxplumbers.osuosl.org/2013/ocw//system/presentations/1653/original/LPC%20-%20User%20Threading.pdf I did not reference them in the patchset because links to sites other than kernel.org are strongly discouraged... I will definitely add a documentation patch. Feel free to reach out to me directly or through this LKML thread if you have any questions. Do you think a documentation patch would be useful at this point, as opposed to a free-form email discussion? Thanks, Peter > > Thanks, > > jon