On Mon, 5 Feb 2018 15:18:46 +0000
Lina Iyer <il...@codeaurora.org> wrote:

> >Some product configurations disable debugfs. I will ask around if this
> >can be dropped.
> >  
> Memory dumps after a crash have support for FTRACE and it helps greatly
> on production issues. Hence the preference for FTRACE support.

Note, ftrace no longer depends on debugfs. It has its own tracefs file
system:

 # mount -t tracefs nodev /sys/kernel/tracing

-- Steve

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