/sys/ file access

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I wish to read the file "/sys/devices/system/cpu/cpu0/cpufreq" as an
unprivileged user. The default permissions on this file are:

-r-------- 1 root root

What is the rationale behind this? All other files in this directory
are world readable.

Best Regards,

Ken

--
Ken O'Brien
PhD Researcher
Simulation Science and Extreme Events Cluster,
3B1, UCD CASL,
8 Belfield Business Park,
Dublin 4,
Ireland.
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