Re: [RFC PATCH v2] ftrace: support very early function tracing

[Steven Rostedt]

On Wed, 8 Nov 2017 20:07:27 +0100
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> Depends on how early you need things; ideally you'd be able to use the

Well, he starts tracing at the entry of start_kernel(), would this
handle that?

-- Steve

> stuff from here:
> 
>   https://lkml.kernel.org/r/1504116205-355281-1-git-send-email-pasha.tatashin@xxxxxxxxxx
> 
> That is, fix the normal time sources to work earlier instead of building
> parallel infrastructure.