Xen Project 4.12 Acknowledgements

From Xen
Revision as of 14:58, 11 January 2019 by Lars.kurth (talk | contribs) (Overview)

Jump to: navigation, search
Icon todo.png To Do:

Complete during RC phase


Overview

As we have made significant changes to the xen source tree structure, we will count acknowledgements in line with RFC Xen 4.6 Acknowledgements.

The following table compares Xen 4.11 with Xen 4.12. We also cover changes to Xen only components in Linux, FreeBSD, NetBSD and QEMU in the "Drivers and Devices" column, which are primarily made by Xen Project developers. Note that the number is not part of the 4.12 Hypervisor Total.

Note: The data below shows a reduction in public code review activity, as well as development velocity. This figure is substantially skewed by a number of large and complex security related code series that were developed in private under security embargoes. In other words, the reduction signifies that we are doing fewer public reviews to satisfy requirements that allow project members to fix issues under security embargoes. In addition, we ported many of these changes - including code that enabled these series - to older releases of Xen to uphold our maintenance and security guarantees.

Attribute 4.11 Hypervisor Total [ 1 ] 4.12 Hypervisor Total [ 1 ] 4.12 Hypervisor Core [ 2 ] 4.12 Hypervisor Other [ 3 ] Drivers and Devices (other projects) [ 4 ]
Release Cycle 222 days
139 dev window/days [ 6 ]
7.5 months
TODO days
TODO dev window/days [ 6 ]
TODO months
Development Velocity
Changesets 1206 TODO TODO TODO TODO
Changesets (including backports) [ 8 ] 1971 TODO
Series (=Features) [ 5 ] 406 TODO
Average Size of Feature 3.0 TODO
Changes / Day 5.4 TODO
Changes / Dev Day [ 6 ] 8.7 TODO
Features / Day [ 5 ] 3.4 TODO
Code Review Statistics
Review Comments [ 5 ] 7058 TODO
Review Comments / Day [ 5 ] 31.8 TODO
Review Comments / Dev Day [ 6 ] 50.8 TODO
Comments / Series [ 5 ] 17.4 TODO
Code Churn
Lines Added 42862 TODD TODO TODO TODO
Lines Removed 16030 TODD TODO TODO TODO
Engagement
Individuals 62 TODD TODO TODO
Employers [ 7 ] 27 TODD TODO TODO


4.12 Hypervisor Only Code Contributions [ 1 ]

Breakdown by Individual

This table is sortable : please click on the Sortable.gif icon besides the column header, to sort by a specific column.

Name Sortable.gif Changesets Sortable.gif Lines Added Sortable.gif Lines Removed Sortable.gif


Code Contributions to Xen Related Drivers and Devices in Linux, NetBSD, FreeBSD [ 4 ]

Breakdown by Individual

This table is sortable : please click on the Sortable.gif icon besides the column header, to sort by a specific column.

Name Sortable.gif Changesets Sortable.gif Lines Added Sortable.gif Lines Removed Sortable.gif


4.12 Hypervisor Reviewers [ 5 ]

This table is sortable : please click on the Sortable.gif icon besides the column header, to sort by a specific column. Note that in the table below, we only count review comments by community members other than comments by the author of a patch. We do not count replies and clarifications by the author of a patch that are made in response to review comments by others.

Name Sortable.gif Review Comments (excludes replies to own series) Sortable.gif
TODO others (less than 10 review comments each) TODO


Footnotes

[ 1 ] Includes the following repos: xen, mini-os, osstest, raisin, livepatch-build-tools, xtf
[ 2 ] Includes the following repos: xen
[ 3 ] Includes the following repos: mini-os, osstest, raisin, livepatch-build-tools, xtf
[ 4 ] Includes commits to the following Xen specific directories of the following upstream projects: linux: arch/*/xen/ arch/*/include/asm/xen/ drivers/xen/ drivers/*/*xen* include/xen/ arch/*/pci/*xen* ; netbsd: sys/arch/xen; freebsd: sys/dev/xen/ sys/x86/xen sys/xen/; qemu: xen* hw/i386/xen hw/xenpv hw/*/xen* hw/xen include/*/xen*, xen windows pv drivers
[ 5 ] This data was extracted from the Xen Project Code Review Dashboard
[ 6 ] These are the days/months during which we were not in code freeze
[ 7 ] Only known employers are used. Unknown employers were discounted.
[ 8 ] Includes backports to stable branches