git: 6a97a446cd - main - 2023Q2 status report for boot performance

The branch main has been updated by cperciva:

URL: https://cgit.FreeBSD.org/doc/commit/?id=6a97a446cd69503b47e9592b429a56ab6f4cca7f

commit 6a97a446cd69503b47e9592b429a56ab6f4cca7f
Author:     Colin Percival <cperciva@FreeBSD.org>
AuthorDate: 2023-06-25 19:21:16 +0000
Commit:     Colin Percival <cperciva@FreeBSD.org>
CommitDate: 2023-06-28 17:16:24 +0000

    2023Q2 status report for boot performance
    
    Reviewed by:    salvadore, calavilla, pauamma
    Differential Revision:  https://reviews.freebsd.org/D40756
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+=== Boot Performance Improvements
+
+Links: +
+link:https://wiki.freebsd.org/BootTime[Wiki page] URL: link:https://wiki.freebsd.org/BootTime[https://wiki.freebsd.org/BootTime] +
+link:https://www.bsdcan.org/events/bsdcan_2023/sessions/session/116/slides/44/BSDCan23-Firecracker.pdf[BSDCan talk slides] URL: link:https://www.bsdcan.org/events/bsdcan_2023/sessions/session/116/slides/44/BSDCan23-Firecracker.pdf[https://www.bsdcan.org/events/bsdcan_2023/sessions/session/116/slides/44/BSDCan23-Firecracker.pdf]
+
+Contact: Colin Percival <cperciva@FreeBSD.org>
+
+Colin Percival is coordinating an effort to speed up the FreeBSD boot process.
+
+Recent efforts have moved from EC2 to the Firecracker virtual machine manager, which provides a very minimalist environment; stripping the boot process down to the bare minimum makes it easier to identify the remaining time and determine whether it can be optimized further.
+
+With some experimental patches to both FreeBSD and Firecracker, it is now possible to boot a FreeBSD kernel in under 20 ms.
+
+Some of the recent improvements were discussed in Colin's recent BSDCan talk.
+
+This work is supported by Colin's FreeBSD/EC2 Patreon.
+
+Sponsor: https://www.patreon.com/cperciva