Weird ISR accounting in 10-STABLE

[John Baldwin]

On Wednesday, June 18, 2014 7:12:33 am Vlad Galu wrote:
> CPU information:
> -- cut here --
> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 SMT threads
> -- and here --
> 
> top output:
> -- cut here --
> last pid: 51987;  load averages:  2.00,  2.00,  2.00
> 
> 
> 
>                                      up 8+18:47:58  13:07:02
> 520 processes: 11 running, 489 sleeping, 20 waiting
> CPU 0:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle
> CPU 1:  0.0% user,  0.0% nice,  0.0% system,  100% interrupt,  0.0% idle
> CPU 2:  0.0% user,  0.0% nice,  0.4% system,  0.0% interrupt, 99.6% idle
> CPU 3:  0.4% user,  0.0% nice,  0.0% system,  0.0% interrupt, 99.6% idle
> CPU 4:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle
> CPU 5:  0.0% user,  0.0% nice,  0.8% system,  0.0% interrupt, 99.2% idle
> CPU 6:  0.0% user,  0.0% nice,  0.4% system,  0.0% interrupt, 99.6% idle
> CPU 7:  0.0% user,  0.0% nice,  0.0% system,  0.4% interrupt, 99.6% idle
> Mem: 87M Active, 2102M Inact, 11G Wired, 3656K Cache, 17G Free
> ARC: 8192M Total, 4089M MFU, 3372M MRU, 1936K Anon, 66M Header, 663M Other
> Swap: 32G Total, 32G Free
> 
>   PID USERNAME      PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
>    11 root          155 ki31     0K   128K CPU0    0 210.1H 100.00%
> idle{idle: cpu0}
>    11 root          155 ki31     0K   128K CPU5    5 209.9H 100.00%
> idle{idle: cpu5}
>    11 root          155 ki31     0K   128K CPU7    7 209.9H 100.00%
> idle{idle: cpu7}
>    11 root          155 ki31     0K   128K CPU4    4 209.1H 100.00%
> idle{idle: cpu4}
>    11 root          155 ki31     0K   128K RUN     3 189.9H 100.00%
> idle{idle: cpu3}
>    11 root          155 ki31     0K   128K CPU2    2 173.3H 100.00%
> idle{idle: cpu2}
>    11 root          155 ki31     0K   128K CPU6    6 163.4H 100.00%
> idle{idle: cpu6}
>    12 root          -72    -     0K   336K CPU1    1 141.0H 100.00%
> intr{swi1: netisr 0}

This ithread?  (ithreads count as intr time)

-- 
John Baldwin