[DragonFlyBSD - Bug #745] (In Progress) the evil interrupt stats monster is still around!

Sat Mar 9 13:06:06 PST 2013

Issue #745 has been updated by tuxillo.

Description updated
Status changed from New to In Progress
Assignee deleted (0)

Hi all,

I've not seen that much intr% time during bulk builds, at least when I did some a couple months ago.
ftigeot/marino/dillon, can you please confirm this doesn't happen during poudriere builds now?

Thanks,
Antonio Huete
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Bug #745: the evil interrupt stats monster is still around!
http://bugs.dragonflybsd.org/issues/745

Author: corecode
Status: In Progress
Priority: Normal
Assignee: 
Category: 
Target version: 

hey,

while doing the pkgsrc bulk build, I get weird numbers in top.  I am pretty sure this has something to do with the multitude of shell scripts being used as wrappers in pkgsrc.  command execution is also slower than I'd expect (for example wrapper execution).

load averages:  8.38,  7.96,  5.53                     up 0+03:48:32  22:34:35
151 processes: 151 running
CPU0 states: 13.7% user,  0.0% nice, 27.5% system,  0.0% interrupt, 58.8% idle
CPU1 states: 21.4% user,  0.0% nice, 28.3% system,  0.0% interrupt, 50.4% idle
CPU2 states: 22.1% user,  0.0% nice, 22.9% system,  0.0% interrupt, 55.0% idle
CPU3 states: 34.7% user,  0.0% nice, 11.1% system, 42.0% interrupt, 12.2% idle
Mem: 71M Active, 509M Inact, 268M Wired, 199M Buf, 2665M Free
Swap:

  PID USERNAME PRI NICE  SIZE    RES STATE  C   TIME   WCPU    CPU COMMAND
36155 root     227   0  3060K  2736K wait   2   0:00 36.82%  8.15% bmake
37456 root     229   0   828K   704K RUN    1   0:00 16.14%  2.93% sh
37677 root     197   0  1576K  1216K wait   2   0:00 14.53%  2.64% bmake
40985 root     182   0   824K   700K RUN    3   0:00 40.00%  1.95% sh
41135 root     193   0   820K   696K wait   1   0:00 39.00%  1.90% sh
37807 root     172   0   828K   704K wait   0   0:00  9.69%  1.76% sh
37310 root     157   0   792K   668K wait   0   0:00  9.15%  1.66% sh
37961 root     210   0  1600K  1240K wait   0   0:00 10.85%  1.51% bmake
40898 root     157   0   784K   660K wait   2   0:00 30.00%  1.46% sh
37563 root     227   0  1464K  1104K wait   1   0:00  5.92%  1.07% bmake
37391 root     168   0   788K   664K wait   0   0:00  4.84%  0.88% sh
37316 root     162   0  1668K  1296K wait   0   0:00  4.57%  0.83% bmake
40213 root     182   0  1216K  1092K wait   1   0:00 16.00%  0.78% sh
39756 root     229   0   824K   700K wait   0   0:00  2.05%  0.20% sh
23163 root     163   0  1444K  1084K wait   2   0:00  0.26%  0.15% bmake
  679 corecode 152   0  5948K  3116K select 0   0:05  0.00%  0.00% sshd
87928 corecode 152   0  2340K  1632K RUN    0   0:03  0.00%  0.00% top
 5266 root     152   0  6548K  6120K kqread 0   0:02  0.00%  0.00% pbulk-build
 2346 root     152   0  2384K  2052K select 2   0:01  0.00%  0.00% screen-4.0.3
  672 corecode 152   0  5948K  3112K select 2   0:01  0.00%  0.00% sshd
 6357 corecode 152   0  5948K  3124K select 0   0:00  0.00%  0.00% sshd
83074 root     157   0  3236K  2908K wait   0   0:00  0.00%  0.00% bmake
61160 root     152   0  2340K  1632K CPU0   0   0:00  0.00%  0.00% top
84410 root     192   0  3152K  2828K wait   0   0:00  0.00%  0.00% bmake
60999 root     157   0  3388K  3072K wait   1   0:00  0.00%  0.00% bmake

that's what systat -vm tells:

   11 users    Load  9.22  8.60  6.50                  Jul 26 22:39

Mem:KB    REAL            VIRTUAL                     VN PAGER  SWAP PAGER
        Tot   Share      Tot    Share    Free         in  out     in  out
Act   28560    5260    67456     9252 2717488 count
All  880132    8524  1793432    13480         pages
                                                    13651 zfod   Interrupts
Proc:r  p  d  s  w    Csw  Trp  Sys  Int  Sof  Flt  16467 cow     556 total
    10       45     727964259438586  475   6638986 284684 wire    429 clk
                                                    70624 act      13 uhci0
21.6%Sys  12.8%Intr 30.8%User  0.0%Nice 34.8%Idl   524220 inact    69 atapci1
|    |    |    |    |    |    |    |    |    |            cache    11 em0
===========++++++>>>>>>>>>>>>>>>>                 2717552 free        ata0
                                                          daefr       irq19
Namei         Name-cache    Dir-cache               21446 prcfr    34 irq21
    Calls     hits    %     hits    %                     react
    81740    79364   97      189    0                     pdwake
                                                          pdpgs
Disks   ad4   ad6  acd0   cd0 pass0   md0                 intrn
KB/t   0.00 36.23  0.00  0.00  0.00  0.00          204096 buf
tps       0    34     0     0     0     0            1533 dirtybuf
MB/s   0.00  1.21  0.00  0.00  0.00  0.00          231015 desiredvnodes
% busy    0     3     0     0     0     0           81881 numvnodes
                                                     1602 freevnodes

cheers
  simon

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