stopped processes using cpu?

Allan Jude allanjude at freebsd.org
Tue Aug 19 19:28:14 UTC 2014


On 2014-08-19 15:21, Dieter BSD wrote:
> 8.2 on amd64
> Top(1) with no arguments reports that some firefox processes are using cpu
> dispite being stopped (via kill -stop pid) for at least several hours.
> Adding -C doesn't change the numbers.  Ps(1) reports the same.
> Interestingly, a firefox that isn't stopped is (correctly?) reported as
> using 0 cpu.  The 100% idle should be correct, but who knows.
> 
> last pid: 51932;  load averages:  0.07, 0.99, 1.42 up 14+19:02:56  08:48:28
> 267 processes: 1 running, 138 sleeping, 128 stopped
> CPU:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% idle
> Mem: 1665M Active, 653M Inact, 240M Wired, 95M Cache, 372M Buf, 815M Free
> Swap: 8965M Total, 560K Used, 8965M Free
> 
>   PID USERNAME  THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
> 44188 a           9  44    0   303M   187M STOP   113:19 13.43% firefox-bin
> 92986 b          11  44    0   164M 62848K STOP     0:18  5.03% firefox-bin
> 16507 c          11  44    0   189M 88976K STOP     0:13  0.24% firefox-bin
>  2265 root        1  44    0   248M   193M select 625:38  0.00% Xorg
> 51271 d          10  44    0   233M   128M ucond   12:12  0.00% firefox-bin
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I wonder if jhb@'s new top code solves this. He adjusted the way CPU
usage is tracked to be more responsive, and not based on averages

-- 
Allan Jude

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