Hi, Thanks for the quick response. In the trial run where I got values "sys_cpu": 1.560156 and "usr_cpu": 0.420997, the total run time was 10mins, so does it mean that fio used about ~2% CPU (or 12 seconds) - user and system combined? Is it 2% of one single Core? Or 2% of all the CPU available? Regards, Shridhar On Fri, 10 Apr 2020 at 00:27, Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote: > > Hi, > > On Fri, 10 Apr 2020 at 04:34, Shridhar Sahukar > <shridhar.sahukar2@xxxxxxxxx> wrote: > > > > Hello, > > > > I have a bunch of benchmark results from fio-3.16 in json format and I > > am unable to find the units for sys_cpu and usr_cpu fields. > > > > For example, the output shows > > > > "sys_cpu": 1.560156 > > "usr_cpu": 0.420997 > > > > Is this in seconds? > > No it should be a percentage (of the total run time). From > https://github.com/axboe/fio/blob/839f607b5771081e96942977a1ff9f1b24b77bca/stat.c#L1089 > : > > usr_cpu = (double) ts->usr_time * 100 / runt; > > -- > Sitsofe | http://sucs.org/~sits/
