Linux: show the CPU scaling governor with $cpugovernor

[pghvlaans]

Descriptions

• For Linux, display the CPU scaling governor for any thread with a variable $cpugovernor. This will help users who change their scaling governors on the fly to keep track of what they're doing.
• No existing behavior is changed.
• I tested $cpugovernor with various combinations of CPU scheduling governors, as well as the default value (cpu0) and invalid values (which revert to the default).
• Screenshot:
  

Licenses

• There are no new files.

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[su8]

atoi can introduce undefined behaviour to conky, replace it with strtol

[pghvlaans]

It works with strtol. Everything else in core.cc uses atoi, though.

[brndnmtthws]

It works with strtol. Everything else in core.cc uses atoi, though.

I understand there's a lot of existing crufty bits in the code, but if you're adding new code it's preferred to use C functions that (at a minimum) reduce the possibility of bugs such as reading past the end of buffers.

[pghvlaans]

OK, understood! I'll go ahead and push.

[brndnmtthws]

This is great, thank you kindly.