function GarbageCollect()

in ransomware/artifact.lua [2095:2128]
27 lines of code
6 McCabe index (conditional complexity)

function GarbageCollect()
    utils.DebugLog('*** GarbageCollect INVOKED')
    utils.DebugLog('[lua] Current Memory Usage: ' .. collectgarbage('count'))

    local totalPidsToNil = 0

    for _, v1 in pairs(globals.namespaces) do
        globals.SwitchNamespace(v1)
        local pidsToNil = {}

        for k2, v2 in pairs(globals.namespace.processDataTable) do
            utils.DebugLog('[lua] PID: ' .. k2)
            utils.DebugLog('[lua] totalScore: ' .. v2.totalScore)
            utils.DebugLog('[lua] Number events: ' .. #v2.events)

            if #v2.events >= globals.PROCESS_EVENT_THRESHOLD then
                utils.DebugLog('[lua] Blow away this PID: ' .. k2)
                table.insert(pidsToNil, k2)
                totalPidsToNil = totalPidsToNil + 1
            end
        end

        for _, v2 in pairs(pidsToNil) do
            globals.namespace.processDataTable[v2] = nil
        end
    end

    if totalPidsToNil > 0 then
        collectgarbage()
        utils.DebugLog('[lua] Cleaned Up Memory Usage: ' .. collectgarbage('count'))
    end

    return true
end