GNU GRUB - Bugs: bug #38145, Add support for boot benchmarking

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bug #38145: Add support for boot benchmarking

Submitter:	Jordan Uggla <jordanu>
Submitted:	Tue 22 Jan 2013 08:05:46 PM UTC


Category:	None	Severity:	Major
Priority:	5 - Normal	Item Group:	Feature Request
Status:	None	Privacy:	Public
Assigned to:	None	Originator Name:
Open/Closed:	Open	Release:	Bazaar - trunk
Release:		Reproducibility:	None
Planned Release:	2.03+

Wed 30 Jan 2013 09:00:11 AM UTC, comment #2: EFI provides convenient interface to pass information from bootloader to kernel via variables. I am not sure how to do it e.g. on BIOS, except piggybacking on kernel command line. Am I right that you are not against this idea as long as it is implemented in generic enough way?	Andrei Borzenkov <arvidjaar>
Sat 26 Jan 2013 09:00:02 PM UTC, comment #1: I see no reason to make something like this EFI-specific or in EFI-specific way. This should be all-platform feature. We have a ms-resolution timer on all platforms except very old BIOS-based machines.	Vladimir Serbinenko <phcoder>
Tue 22 Jan 2013 08:05:46 PM UTC, original submission: 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.	Jordan Uggla <jordanu>

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Follow 2 latest changes.

Date	Changed by	Updated Field	Previous Value	=>	Replaced by
2016-03-02	phcoder	Planned Release	None		2.03+
2013-01-26	phcoder	Summary	Please add support for UEFI boot performance analysis specification		Add support for boot benchmarking

GNU GRUB - Bugs: bug #38145, Add support for boot benchmarking

bug #38145: Add support for boot benchmarking

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