[Windows] cpu.Info() timing out

[FlorinAsavoaie]

In github.com/shirou/gopsutil/internal/common, there is a Timeout hardcoded for the WMI queries. When the CPU is busy, cpu.Info() (and maybe other stuff as well) is failing as the WMI is taking too long to respond to the query. I would expect to be able to pass this Timeout from my code.

[vrecan]

I've run into this a few times as well. It would be nice to be able to pass in the context timeouts or set them in some way.

[shirou]

I have added plan to v3 (#362) about WithContext method.

[sadag]

Please review PR #488

[Lomanic]

Closing as a duplicate of #394 (as always, WMI calls should be avoided)