Function processorIDFromLogicalProcessorID

pkg/cpu/cpu_linux.go:167–176

processorIDFromLogicalProcessorID returns the processor physical package ID for the supplied logical processor ID

(ctx context.Context, lpID int)

// processorIDFromLogicalProcessorID returns the processor physical package ID
// for the supplied logical processor ID
func processorIDFromLogicalProcessorID(ctx context.Context, lpID int) int {
	paths := linuxpath.New(ctx)
	// Fetch CPU ID
	path := filepath.Join(
		paths.SysDevicesSystemCPU,
		fmt.Sprintf("cpu%d", lpID),
		"topology", "physical_package_id",
	)
	return util.SafeIntFromFile(ctx, path)
}

// coreIDFromLogicalProcessorID returns the core ID for the supplied logical
// processor ID