Description

This article provides information on how to determine the OSPF table size and CPU utilization of a routing daemon.

Symptoms

How to determine the OSPF table size and CPU utilization of a routing daemon.

Solution


The following commands are issued to determine the OSPF table size and CPU utilization of a routing daemon: 

{master:0}
user@switch>> show task memory detail

------------------------- Overall Memory Report -------------------------

Size   TP     Allocs    Mallocs   AllocBytes   MaxAllocs   MaxBytes   FreeBytes

8    -5921     47368      5926       47408       1784

12     142      409       6612         560        6720        9772

16       5      2560     41040        2566       41056        8112

20      90      1635     34500        1726       34520       14652

20      T         -         -           -          28          560       -

24      171     4886    121368        5065       121560       9704

28      672      -       18816         675        18900      13952

32        1      635     20352         639        20448      12416

36       28      313     12276         341        12276       4108

36        T        -       -            -            2         72         -

40        2     1203     48200        1206        48240        952

44      152       -       6688         153         6732       9696

user@switch>show task memory detail | match OSPF

ospf_ppm_stats_group 16 20 1 20 1 20

ospf_tsi_lsdb 20 24 1 24 1 24

ospf_tsi 24 28 1 28 1 28

ospf_lsa_36 36 40 1 40 2 80

ospf_rt_instance 44 48 1 48 1 48

ospf_topo_lsdb_entry 56 60 1 60 1 60

ospf_spf_entry 72 76 - - 1 76

ospf_topo_area 100 104 1 104 1 104

ospf_lsdb_entry 228 232 1 232 2 464

ospf_topology 700 712 1 712 1 712

ospf_instance 1232 1260 1 1260 1 1260

ospf_area 8424 16384 P 1 16384 1 16384

OSPF config various 1 2032 1 2032

OSPF 5 67607 5 67607 5

OSPF I/O./var/run/ppmd_ 1 66536 2 66556 169
The following commands are issued in the Shell Prompt of the switch to determine the OSPF table size and CPU utilization of a routing daemon: 
user@switch> start shell
user@switch%top

last pid: 3998; load averages: 0.05, 0.03, 0.00 up 0+08:43:00 03:26:35

64 processes: 1 running, 63 sleeping

CPU states: 1.7% user, 0.0% nice, 0.7% system, 0.3% interrupt, 97.3% idle

Mem: 360M Active, 51M Inact, 90M Wired, 224M Cache, 110M Buf, 256M Free

Swap:

PID  USERNAME  THR  PRI   NICE  SIZE   RES   STATE   TIME   WCPU   COMMAND

1042 root      1     8     0  85060K 11964K nanslp 18:19   0.20%   pfem

1035 root      1     4     0  16156K 5600K  kqread 8:49    0.00%   chassism

1036 root      2    44   -52  69156K 15688K select 5:57    0.00%   sfid

1054 root      1    96     0  18804K 7520K  select 0:32    0.00%   mib2d

1074 root      1    96     0   7256K 2552K  select 0:24    0.00%   license-check

1067 root      1    96     0  12728K 2584K  select 0:18    0.00%   shm-rtsdbd

1053 root      1    96     0  16980K 11740K  select 0:13    0.00%  snmpd

1048 root      1    96     0  22720K 10916K  select 0:12    0.00%  chassisd

1049 root      1    96     0   7676K  2420K  select 0:07    0.00%  alarmd

1055 root      1     4     0  41060K 11072K  kqread 0:07    0.00%  rpd

1071 root      1     4     0   8736K 4120K   kqread 0:05    0.00%  lldpd

1037 root      1     4   -20   8360K 3544K   kqread 0:04    0.00%  vccpd

1066 root      1     4     0  15760K 9356K   kqread 0:03    0.00%  eswd

791 root       1    96     0   5732K 2608K   select 0:03    0.00%  eventd

1047 root      1    96     0  28184K 5648K   select 0:03    0.00%  dcd

1069 root      1    96     0   8852K 3496K   select 0:03    0.00%  pkid

3321 root      1    96     0   7252K 2724K   select 0:02    0.00% sshd

1059 root      1    96     0   7196K 3724K   select 0:02    0.00% ppmd

user@switch% ps -aux | grep rpd

root 1055 0.0 1.1 41060 11072 ?? S 6:45PM 0:06.65 /usr/sbin/rpd -N

root 4000 0.0 0.1 2316 992 p0 S+ 3:27AM 0:00.01 grep rpd
Note : There is no specific command to view a particular routing process; but you view the complete routing process utilization by using the RPD daemon.