>From: Daniel Lezcano [mailto:[email protected]] >Sent: Thursday, November 10, 2016 12:34 PM
>>> give a correct result without a dmesg log ? >> [[email protected] /]$ [[email protected] /]$ taskset 65536 time sleep 2 >> & taskset 131072 time sleep 3 >Thanks for providing the numbers. >So there is no weird messages in dmesg ? Yes, no weird messages, all seem normal. >> real 0m 2.54s >> user 0m 0.04s >> sys 0m 0.14s >> real 0m 3.47s >> user 0m 0.00s >> sys 0m 0.15s >> [1]+ Done taskset 65536 time sleep 2 >> >> Seem OK to me. >I'm not sure of that. >2.54 instead of 2 >3.47 instead of 3 >0.02 time drift could be acceptable but 0.54 or 0.47 is too much. >And 0.15 in sys also a big number AFAICT. >Is the system in NO_HZ ? We are handling system with NOHZ_FULL This was run under simulation and result are reasonable (indeed not perfect) AFAICT. -Noam
