Difference between revisions of "Performance Cisco IOS"

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<notice> Output omitted... </notice>
 
<notice> Output omitted... </notice>
 
</source>
 
</source>
 +
= Example on problems =
 +
<source lang=cli>
 +
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>
 +
 +
</source>
 +
 +
 
= See also =
 
= See also =
 
*[[Route-map Cisco IOS]]
 
*[[Route-map Cisco IOS]]

Revision as of 10:24, 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>

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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