Invisible process killing the CPU

[Nagy László Zsolt]

>
> Whats the output of systat -vmstat 1 ?
   1 users    Load  1.20  1.18  1.15                  Feb 16 17:54

Mem:KB    REAL            VIRTUAL                     VN PAGER  SWAP PAGER
        Tot   Share      Tot    Share    Free         in  out     in  out
Act  133548   13636   435504    16200  272372 count
All  234084   21392242410812    27768         pages
                                                                 Interrupts
Proc:r  p  d  s  w    Csw  Trp  Sys  Int  Sof  Flt    897 cow    1229 total
     1       63      1852 656022082  835    3 6268  63496 wire        1: 
atkb
                                                    62456 act         4: 
sio0
21.2%Sys   0.0%Intr 78.8%User  0.0%Nice  0.0%Idl   106940 inact   109 
19: rl0
|    |    |    |    |    |    |    |    |    |       2224 cache       
20: ata
===========>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>   270148 free    112 
23: vr0
                                                          daefr  1008 
cpu0: time
Namei         Name-cache    Dir-cache                4960 prcfr
    Calls     hits    %     hits    %                     react
    63573    56922   90                                   pdwake
                                     4324 zfod            pdpgs
Disks   ad4   ad6                      20 ozfod           intrn
KB/t   0.00  0.00                         %slo-z    61456 buf
tps       0     0                    5530 tfree        44 dirtybuf
MB/s   0.00  0.00                                   35656 desiredvnodes
% busy    0     0                                    5056 numvnodes
                                                     1944 freevnodes