text: SELECT
      (extract(epoch from now()) * 1e9)::int8 as epoch_ns,
      r, b, swpd, free, buff, cache, si, so, bi, bo, "in", cs, us, sy, id, wa, st, cpu_count, load_1m, load_5m, load_15m, total_memory
  from
      get_vmstat();
  
  