linux-kernel - Re: [PATCH 04/14] init: deps: order network interfaces by link order

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Date:	Sat, 17 Oct 2015 22:14:43 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Alexander Holler <holler@...oftware.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: [PATCH 04/14] init: deps: order network interfaces by link order

On Sun, Oct 18, 2015 at 06:59:22AM +0200, Alexander Holler wrote:
> Am 17.10.2015 um 21:36 schrieb Greg Kroah-Hartman:
> 
> >Again, parallelizing does not solve anything, and causes more problems
> >_and_ makes things take longer.  Try it, we have done it in the past and
> >proven this, it's pretty easy to test :)
> 
> Just because I'm curious, may I ask how I would test that in the easy way
> you have in mind? I've just posted the results of my tests (the patch
> series) but I wonder what you do have in mind.

Use the tool, scripts/bootgraph.pl to create a boot graph of your boot
sequence.  That should show you the drivers, or other areas, that are
causing your boot to be "slow".

Hope this helps,

greg k-h
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