[arch-projects] [mkinitcpio][PATCH] init: add timestamp at start of initramfs if binary exists

[Dave Reisner]

On Sun, May 06, 2012 at 05:37:11PM -0500, Dan McGee wrote:
> On Sun, May 6, 2012 at 9:59 AM, Tom Gundersen <teg at jklm.no> wrote:
> > On Sun, May 6, 2012 at 4:54 PM, Tom Gundersen <teg at jklm.no> wrote:
> >> This will allow us to tell how much time was spent in the initramfs,
> >> which might be good for working on optimizations and making sure we
> >> don't regress.
> >
> > If this is accepted, I suggest adding the following install hook (call
> > it "timestamp" or something like that) to the systemd package:
> >

I'd call it systemd. It's unclear what's going to happen with early
userspace a year from now wrt systemd possibly invading it in some way.
We may as well start now with something more generically named to avoid
having to possibly rename it at some point down the road.

> >
> >
> > #!/bin/bash
> >
> > build() {
> >    add_binary /usr/lib/systemd/systemd-timestamp /usr/bin/timestamp
> I'm very confused as to why we would call the binary something
> different in the initramfs. Shouldn't we not screw around with the
> name?

I'm inclined to agree with this. The namespacing should stay.

> 
> > }
> >
> > help() {
> >    cat <<HELPEOF
> > When booted with systemd this allows systemd-analyze to tell how much time
> > was spent in the initramfs.
> > HELPEOF
> > }
> >
> > # vim: set ft=sh ts=4 sw=4 et: