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replace github.com/jaypipes/ghw with stdlib and a 4liner #5

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majst01 opened this issue Mar 12, 2020 · 0 comments

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majst01 commented

We use this external dependency just for the sake of gathering CPUCount and Memory, for CPUCount there is:

runtime.NumCPU

and for Memory we can copy the work of https://github.com/pbnjay/memory which gathers memory with a syscall like:

// +build linux

package memory

import "syscall"

func sysTotalMemory() uint64 {
	in := &syscall.Sysinfo_t{}
	err := syscall.Sysinfo(in)
	if err != nil {
		return 0
	}
	// If this is a 32-bit system, then these fields are
	// uint32 instead of uint64.
	// So we always convert to uint64 to match signature.
	return uint64(in.Totalram) * uint64(in.Unit)
}

should be sufficient for our usecase and removes one external dependency.

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