linux-kernel - Re: [PATCH] drivers: base: initcall_debug logs for driver probe times

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Date:   Wed, 20 Jun 2018 11:42:07 +0900
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Todd Poynor <toddpoynor@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com, Todd Poynor <toddpoynor@...gle.com>
Subject: Re: [PATCH] drivers: base: initcall_debug logs for driver probe times

On Tue, Jun 19, 2018 at 07:39:03PM -0700, Todd Poynor wrote:
> From: Todd Poynor <toddpoynor@...gle.com>
> 
> Add initcall_debug logs for each driver device probe call, for example:
> 
>    probe of a3800000.ramoops returned after 3007 usecs
> 
> This replaces the previous code added to report times for deferred
> probes.  It also reports OF platform bus device creates that were
> formerly lumped together in a single entry for function
> of_platform_default_populate_init, as well as helping to annotate other
> initcalls that involve device probing.
> 
> Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
> ---
>  drivers/base/dd.c | 50 +++++++++++++++++++++++------------------------
>  1 file changed, 24 insertions(+), 26 deletions(-)

New features with less lines of code, nice!

I'll queue this up soon, very good work.

greg k-h