URL:
<http://savannah.gnu.org/bugs/?38145>
Summary: Please add support for UEFI boot performance
analysis specification
Project: GNU GRUB
Submitted by: jordanu
Submitted on: Tue 22 Jan 2013 08:05:46 PM GMT
Category: None
Severity: Major
Priority: 5 - Normal
Item Group: Feature Request
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release:
Release: Bazaar - trunk
Reproducibility: None
Planned Release: None
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Details:
Systemd-analyze can report how much time was spent at boot in firmware
initialization and the bootloader if the bootloader sets specific UEFI
variables (LoaderTicksInit and LoaderTicksExec) as described here:
http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface
This feature is already supported by Gummiboot and appears to be popular.
Separately mentioned in the specification is the LoaderDevicePartUUID variable
which is not needed for systemd-analyze and, given that it can change how
devices are mounted by systemd at boot, should probably be considered
separately from the other two variables.
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