Re: [PATCH 0/3] [RFC] init, tracing: Add initcall trace events

From: Peter Zijlstra
Date: Mon Mar 26 2018 - 04:42:53 EST


On Fri, Mar 23, 2018 at 04:04:41PM -0400, Steven Rostedt wrote:
> I would even argue that we remove the printks and use the trace events
> instead. There's already an option to make trace events be sent to
> printk(). I could have initcall_debug enable the trace events and send
> them to printk.

Those printk()'s are so ever much more useful when you fail to boot and
can't get the trace buffer out.