Comment 2 for bug 1554970

On scale-lab hardware the average CPU utilization for lshw is 62%. Here're the details collected by atop (10 minutes interval):

$ atop -r atop_20160316 -P PRC | grep lshw | head -n 22
PRC node-293 1458086421 2016/03/16 00:00:21 20 28722 (lshw) R 100 1592 46 0 120 0 0 5 0
PRC node-293 1458086441 2016/03/16 00:00:41 20 28722 (lshw) E 100 2492 88 0 0 0 0 0 0
PRC node-293 1458086501 2016/03/16 00:01:41 20 37072 (lshw) R 100 1283 35 0 120 0 0 16 0
PRC node-293 1458086521 2016/03/16 00:02:01 20 37072 (lshw) E 100 2240 58 0 0 0 0 0 0
PRC node-293 1458086541 2016/03/16 00:02:21 20 40720 (lshw) R 100 758 19 0 120 0 0 31 0
PRC node-293 1458086561 2016/03/16 00:02:41 20 40720 (lshw) E 100 2300 62 0 0 0 0 0 0
PRC node-293 1458086601 2016/03/16 00:03:21 20 7711 (lshw) R 100 538 23 0 120 0 0 7 0
PRC node-293 1458086621 2016/03/16 00:03:41 20 7711 (lshw) R 100 1934 64 0 120 0 0 2 0
PRC node-293 1458086641 2016/03/16 00:04:01 20 7711 (lshw) E 100 2529 91 0 0 0 0 0 0
PRC node-293 1458086681 2016/03/16 00:04:41 20 15749 (lshw) R 100 1846 55 0 120 0 0 23 0
PRC node-293 1458086701 2016/03/16 00:05:01 20 15749 (lshw) E 100 676 41 0 0 0 0 0 0
PRC node-293 1458086741 2016/03/16 00:05:41 20 22965 (lshw) R 100 1399 45 0 120 0 0 8 0
PRC node-293 1458086761 2016/03/16 00:06:01 20 22965 (lshw) E 100 2596 103 0 0 0 0 0 0
PRC node-293 1458086781 2016/03/16 00:06:21 20 26855 (lshw) R 100 1176 25 0 120 0 0 5 0
PRC node-293 1458086801 2016/03/16 00:06:41 20 26855 (lshw) E 100 2236 43 0 0 0 0 0 0
PRC node-293 1458086841 2016/03/16 00:07:21 20 34339 (lshw) R 100 373 9 0 120 0 0 7 0
PRC node-293 1458086861 2016/03/16 00:07:41 20 34339 (lshw) R 100 1936 62 0 120 0 0 28 0
PRC node-293 1458086881 2016/03/16 00:08:01 20 34339 (lshw) E 100 2478 86 0 0 0 0 0 0
PRC node-293 1458086921 2016/03/16 00:08:41 20 1665 (lshw) R 100 1034 35 0 120 0 0 30 0
PRC node-293 1458086941 2016/03/16 00:09:01 20 1665 (lshw) E 100 2547 96 0 0 0 0 0 0
PRC node-293 1458086961 2016/03/16 00:09:21 20 5307 (lshw) R 100 1254 29 0 120 0 0 30 0
PRC node-293 1458086981 2016/03/16 00:09:41 20 5307 (lshw) E 100 2215 56 0 0 0 0 0 0