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Normally only superuser/root can access perf counter data. However,
superuser can set perf_stream_paranoid sysctl to 0 to allow non-privileged
users to also access perf data. perf_stream_paranoid is introduced at the
perf layer to allow different perf stream types to share this access
mechanism.

v2: Add kernel doc for non-static functions (Michal)
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618014609.3233427-3-ashutosh.dixit@intel.com