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SubjectRe: [PATCH 0/3] ARM Coresight: Enhance ETM tracing control
On Tue, Dec 03, 2013 at 11:39:21PM -0500, Adrien Vergé wrote:
> Usage of ETM tracing facility is currently very limited: user can
> only start/stop tracing. This set of patches enables management of
> address combinations and PIDs that trigger tracing.
> ETM management was done via sysfs entries (trace_info,
> trace_running...), this code adds trace_addrrange and trace_pid to
> let the user read/write custom values.

I have lots to say about this from a sysfs point of view, but first, why
is it in sysfs at all? Shouldn't all of this be in debugfs?

greg k-h
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