Difference between revisions of "Performance Cisco IOS"

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<notice> Output omitted... </notice>
 
<notice> Output omitted... </notice>
 
</source>
 
</source>
 +
==TCAM==
 +
<source lang=cli>
 +
VIHCA-K20-03#<input>sh platform tcam utilization</input>
 +
 +
CAM Utilization for ASIC# 0                      Max            Used
 +
                                            Masks/Values    Masks/values
 +
 +
Unicast mac addresses:                        544/4352        178/1352
 +
IPv4 IGMP groups + multicast routes:          144/1152          6/26
 +
IPv4 unicast directly-connected routes:      544/4352        178/1352
 +
IPv4 unicast indirectly-connected routes:    176/1408        53/351
 +
IPv6 Multicast groups:                        544/4352        178/1352
 +
IPv6 unicast directly-connected routes:      544/4352        178/1352
 +
IPv6 unicast indirectly-connected routes:    262/2096          5/31
 +
IPv4 policy based routing aces:              256/256          22/22
 +
IPv4 qos aces:                                512/512          6/6
 +
IPv4 security aces:                          512/512          22/22
 +
IPv6 policy based routing aces:                0/0            0/0
 +
IPv6 qos aces:                                  0/0            0/0
 +
IPv6 security aces:                          204/510          5/5
 +
 +
Note: Allocation of TCAM entries per feature uses
 +
a complex algorithm. The above information is meant
 +
to provide an abstract view of the current TCAM utilization
 +
</source>
 +
 
= Example on problems =
 
= Example on problems =
 
<source lang=cli>
 
<source lang=cli>

Revision as of 12:47, 26 March 2010

Processes

CPU

R1#<input>show processes cpu sorted 5min</input>
CPU utilization for five seconds: 5%/0%; one minute: 5%; five minutes: 5%
 PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
 112     3719202   1028129       3617  0.15%  0.13%  0.15%   0 HRPC qos request
   4     2111767    304796       6928  0.00%  0.09%  0.06%   0 Check heaps
 139         232       304        763  0.15%  0.11%  0.05%   2 Virtual Exec
 142      554927   2283402        243  0.15%  0.10%  0.05%   0 IP Input
  34       57731  47158926          1  0.00%  0.02%  0.00%   0 RedEarth Tx Mana
   7      637306   3220477        197  0.15%  0.03%  0.00%   0 ARP Input
   6           0         2          0  0.00%  0.00%  0.00%   0 Timers
<notice> Output omitted... </notice>
R1#<input>show processes cpu history</input>

     22
     0055555444445555555555555554444455555444445555555555444444
100
 90
 80
 70
 60
 50
 40
 30
 20  **
 10  *******     ***************     *****     **********
    0....5....1....1....2....2....3....3....4....4....5....5....
              0    5    0    5    0    5    0    5    0    5

               CPU% per second (last 60 seconds)



     5555555656555555555555655565566555555555555556555565655555
100
 90
 80
 70
 60
 50
 40
 30
 20
 10  *********#************************************************
    0....5....1....1....2....2....3....3....4....4....5....5....
              0    5    0    5    0    5    0    5    0    5

               CPU% per minute (last 60 minutes)
              * = maximum CPU%   # = average CPU%


                                                                     2   2
     6666666666666666666666666666666666666666666666666666666666666666166616
100
 90
 80
 70
 60
 50
 40
 30
 20                                                                  *   *
 10  **********************************************************************
    0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.
              0    5    0    5    0    5    0    5    0    5    0    5    0

                   CPU% per hour (last 72 hours)
                  * = maximum CPU%   # = average CPU%

Memory

R1#<input>show processes memory sorted</input>
Total: 93767804, Used: 26748864, Free: 67018940
 PID TTY  Allocated      Freed    Holding    Getbufs    Retbufs Process
   0   0   44412416    9304512   31757752          0          0 *Init*
 207   0   19663088   19130936     539048          0          0 hulc running con
   0   0   16018800   16718240     514160   10630004    1993968 *Dead*
  11   0     666608     425136     249328          0          0 Entity MIB API
  40   0     272992      10600     236144          0          0 Stack Mgr Notifi
 150   0     160216       2048     164056          0          0 CEF: IPv4 proces
 155   0      86128       6072      88256          0          0 MDFS LC Process
 167   0   18972712   18979792      82216          0          0 IGMPSN
<notice> Output omitted... </notice>

TCAM

VIHCA-K20-03#<input>sh platform tcam utilization</input>

CAM Utilization for ASIC# 0                      Max            Used
                                             Masks/Values    Masks/values

 Unicast mac addresses:                        544/4352        178/1352
 IPv4 IGMP groups + multicast routes:          144/1152          6/26
 IPv4 unicast directly-connected routes:       544/4352        178/1352
 IPv4 unicast indirectly-connected routes:     176/1408         53/351
 IPv6 Multicast groups:                        544/4352        178/1352
 IPv6 unicast directly-connected routes:       544/4352        178/1352
 IPv6 unicast indirectly-connected routes:     262/2096          5/31
 IPv4 policy based routing aces:               256/256          22/22
 IPv4 qos aces:                                512/512           6/6
 IPv4 security aces:                           512/512          22/22
 IPv6 policy based routing aces:                 0/0             0/0
 IPv6 qos aces:                                  0/0             0/0
 IPv6 security aces:                           204/510           5/5

Note: Allocation of TCAM entries per feature uses
a complex algorithm. The above information is meant
to provide an abstract view of the current TCAM utilization

Example on problems

VIHCA-K20-03#<input>sh processes cpu history</input>

     8888888888888888888888888888888888888888888888888888888888
     4111114444444444333332222211116666677777555556666666666666
100
 90                                ****************************
 80  **********************************************************
 70  **********************************************************
 60  **********************************************************
 50  **********************************************************
 40  **********************************************************
 30  **********************************************************
 20  **********************************************************
 10  **********************************************************
    0....5....1....1....2....2....3....3....4....4....5....5....
              0    5    0    5    0    5    0    5    0    5

               CPU% per second (last 60 seconds)


     8888888888888888899998888888888888888888888888888888888888
     7777787876887888800009899888887675678888889988899879998888
100
 90  ***#**#******#################******######################
 80  ##########################################################
 70  ##########################################################
 60  ##########################################################
 50  ##########################################################
 40  ##########################################################
 30  ##########################################################
 20  ##########################################################
 10  ##########################################################
    0....5....1....1....2....2....3....3....4....4....5....5....
              0    5    0    5    0    5    0    5    0    5

               CPU% per minute (last 60 minutes)
              * = maximum CPU%   # = average CPU%

                       1
     8687557666866668890999999546756666676568889999998466656666666466789999
     9247556224818034800761809097551110411972391011319131164680525936190000
100                    *** * *
 90  *         *     *******#*                *####***                *####
 80  # **  *   *    **#***###*   *          ***######*                *####
 70  # **  *   * *  *###**###*  **      *  ***#######*      ** * *  **#####
 60  #***************###*####*  **************#######* *********** ***#####
 50  #***************#########***************######### ***************#####
 40  #***************#########***************#########****************#####
 30  #**************##########**************##########****************#####
 20  #*#*#***#*#*#*###########**********##*###########******#**###*########
 10  ######################################################################
    0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.
              0    5    0    5    0    5    0    5    0    5    0    5    0

                   CPU% per hour (last 72 hours)
                  * = maximum CPU%   # = average CPU%
VIHCA-K20-03#<input>show sdm prefer</input>
 The current template is "desktop IPv4 and IPv6 routing" template.
 The selected template optimizes the resources in
 the switch to support this level of features for
 8 routed interfaces and 1024 VLANs.

  number of unicast mac addresses:                  1536
  number of IPv4 IGMP groups + multicast routes:    1K
  number of IPv4 unicast routes:                    2816
    number of directly-connected IPv4 hosts:        1536
    number of indirect IPv4 routes:                 1280
  number of IPv6 multicast groups:                  1152
  number of directly-connected IPv6 addresses:      1536
  number of indirect IPv6 unicast routes:           1280
  number of IPv4 policy based routing aces:         256
  number of IPv4/MAC qos aces:                      512
  number of IPv4/MAC security aces:                 512
  number of IPv6 policy based routing aces:         255
  number of IPv6 qos aces:                          510
  number of IPv6 security aces:                     510
VIHCA-K20-03#<input>show processes cpu sorted 5min</input>
CPU utilization for five seconds: 85%/79%; one minute: 83%; five minutes: 84%
 PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
 152   252718026 584420122        432  0.31%  0.44%  0.41%   0 IP Input
   7   157557489 434633225        362  0.79%  0.35%  0.32%   0 ARP Input
 216         636     10297         61  0.47%  0.34%  0.12%   1 Virtual Exec
 109     8314164  34050193        244  0.00%  0.08%  0.09%   0 HRPC qos request
   4    79303242  10109263       7844  0.00%  0.08%  0.07%   0 Check heaps
 149    20425599  37945322        538  0.00%  0.04%  0.05%   0 IP SNMP
 187    14955620  14850321       1007  0.15%  0.06%  0.04%   0 DHCPD Receive
 213    17683047  21886229        807  0.00%  0.04%  0.04%   0 SNMP ENGINE
<notice>Output omitted...</notice>


See also

Links

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