people February 2022

people@netdevconf.info

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Re: [NetDev-People] PTP-optimization code upstreamed
by Stephen Hemminger 09 Feb '22

09 Feb '22

On Tue, 8 Feb 2022 19:43:13 +0000 Maciek Machnikowski <maciejm(a)nvidia.com> wrote: > > -----Original Message----- > > From: Stephen Hemminger <stephen(a)networkplumber.org> > > Sent: Tuesday, February 8, 2022 6:55 PM > > Subject: Re: PTP-optimization code upstreamed > > > > On Tue, 8 Feb 2022 14:23:41 +0100 > > > > The process for contributing to upstream kernel is very well documented. > > Links to github is useful, but does not start the upstream process. > > > > https://www.kernel.org/doc/html/latest/process/submitting- > > patches.html#submittingpatches > > > > When can we expect patch set to show up on this mailing list? > > Hi Stephen, > > This code is not intended to be upstreamed, since it is a set of python scripts > optimizing phc2sys and ptp4l servo. > It reached the netdev mail list because it was presented on the NetDev > conference, and some people were interested in them during the presentation. > > Have a great day! > Maciek Sure thanks. It still might be good to have this in tools directory. Or somewhere related to kernel.

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Re: [NetDev-People] PTP-optimization code upstreamed
by Stephen Hemminger 08 Feb '22

08 Feb '22

On Tue, 8 Feb 2022 14:23:41 +0100 Marta Plantykow <marta.a.plantykow(a)intel.com> wrote: > Hi, > Together with Maciej Machnikowski <maciej.machikowski(a)intel.com> > <maciejm(a)nvidia.com> and Milena Olech <milena.olech(a)intel.com> we would > like to inform you, that the source code of the script used to prepare the > Netdev 0x15 presentation called “Precision Time Protocol optimization > using genetic algorithm” [0] was recently open sourced. The developed > framework provides an easy-to-use automated methodology of tuning the > Proportional-Integral controller embedded in the linuxptp project. In our > research we’ve reached up to 32% smaller mean squared error returned by > phc2sys test (comparing to default PI controller settings). > > The code is available under this link [1] along with a short > documentation. A NIC and a driver that supports 1588 is required to run > this test efficiently. All contributions will be considered for acceptance > through pull requests. Do not hesitate to contact us in case of any > questions or concerns. > > Marta > > [0] https://netdevconf.info/0x15/session.html?Precision-Time-Protocol-optimizat… > [1] https://github.com/intel/PTP-optimization The process for contributing to upstream kernel is very well documented. Links to github is useful, but does not start the upstream process. https://www.kernel.org/doc/html/latest/process/submitting-patches.html#subm… When can we expect patch set to show up on this mailing list?

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people February 2022