Messages in this thread | | | Date | Mon, 5 Feb 2018 11:57:16 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH RFC v2 3/3] drivers: irqchip: pdc: log PDC info in FTRACE |
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On Mon, 5 Feb 2018 15:18:46 +0000 Lina Iyer <ilina@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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