Mathieu Poirier <[email protected]> writes:

> This patchset aims to integrate configuration and control of
> the Coresight tracers with the perf sub-system.
>
> The goal is to use PMUs to represent tracers and the auxiliary
> buffer enhancement to collect processor traces.  As such a lot
> of work is done to move the current Coresight sysFS oriented
> configuration and control commands to perf's AUX API.

Another general question: is there anything that prevents a sysfs user
from changing ETM/ETB configuration while it's used by a perf event? I
couldn't find any code in this patchset that would implement such
exclusivity.

Thanks,
--
Alex
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