From: Chuck Church (cchurch@xxxxxxxxxxxxx)
Date: Fri Dec 28 2001 - 02:36:40 GMT-3
   
Dreams Ruan,
    Practically all your CPU usage is due to interrupts.  Send us your
config and a 'sh int switching'.
Chuck
----- Original Message -----
From: "Dreams Ruan" <dreams_r@163.com>
To: <ccielab@groupstudy.com>
Cc: <ccielab@groupstudy.com>
Sent: Tuesday, December 25, 2001 9:15 PM
Subject: Re: Re: OT:Why so high CPU utilization
> Jay Hennigan:
>
> In my router's interface,no any policy-route ,and switching type
> is CEF.But the line use FR encapsulation,so I check the show process
> CPU,the FR Broadcast Out and the Framer background use most cpu cycle,
> the content like that:
>
> sh proc cpu
> CPU utilization for five seconds: 30/30; one minute: 39; five minutes: 31
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>    1        8084     82232         98  0.00  0.00  0.00   0 Load Meter
>    2          20        30        666  0.08  0.01  0.00   2 Virtual Exec
>    3      557900     61402       9086  0.00  0.11  0.06   0 Check heaps
>    4           0         1          0  0.00  0.00  0.00   0 Chunk Manager
>    5         432       269       1605  0.00  0.00  0.00   0 Pool Manager
>    6           0         2          0  0.00  0.00  0.00   0 Timers
>    7         644     82183          7  0.00  0.00  0.00   0
ALARM_TRIGGER_SC
>    8           0        35          0  0.00  0.00  0.00   0 Serial
Backgroun
>    9           0         1          0  0.00  0.00  0.00   0 RM PROCESS
>   10           0         1          0  0.00  0.00  0.00   0 RM PROCESS
>   11           0         1          0  0.00  0.00  0.00   0 RM PROCESS
>   12           0         1          0  0.00  0.00  0.00   0 RM PROCESS
>   13           0         2          0  0.00  0.00  0.00   0 CAS Process
>   14       10496     27927        375  0.00  0.00  0.00   0 ARP Input
>   15         652     20557         31  0.00  0.00  0.00   0 HC Counter
Timer
>   16           0         4          0  0.00  0.00  0.00   0 DDR Timers
>   17           0         2          0  0.00  0.00  0.00   0 Dialer event
>   18          20         4       5000  0.00  0.00  0.00   0 Entity MIB API
>   19           0         1          0  0.00  0.00  0.00   0 SERIAL
A'detect
>   20           0         1          0  0.00  0.00  0.00   0 Critical Bkgnd
>   21      216096     73238       2950  0.00  0.03  0.02   0 Net Background
>   22           0        64          0  0.00  0.00  0.00   0 Logger
>   23        1292    411025          3  0.00  0.00  0.00   0 TTY Background
>   24        2200    411045          5  0.00  0.00  0.00   0 Per-Second
Jobs
>   25           0     19583          0  0.00  0.00  0.00   0 CSM periodical
p
>   26          40    215393          0  0.00  0.00  0.00   0 CSM timer
proces
>   27           0         2          0  0.00  0.00  0.00   0 CSM Tone
process
>   28           0         2          0  0.00  0.00  0.00   0 Call
Management
>   29        1016     11585         87  0.00  0.00  0.00   0 Net Input
>   30       19892     82232        241  0.00  0.00  0.00   0 Compute load
avg
>   31      198360      7141      27777  0.00  0.03  0.00   0 Per-minute
Jobs
>   32           0         1          0  0.00  0.00  0.00   0 COT Timer
proces
>   33           0         1          0  0.00  0.00  0.00   0 COT Queue
proces
>   34         748   1631492          0  0.00  0.00  0.00   0 Framer
backgroun
>   35           0         3          0  0.00  0.00  0.00   0 Neat msg
>   36          16         4       4000  0.00  0.00  0.00   0 ISDN
>   37           0         2          0  0.00  0.00  0.00   0 AAA Dictionary
R
>   38       42392     87732        483  0.00  0.01  0.00   0 IP Input
>   39        9352     53989        173  0.00  0.00  0.00   0 CDP Protocol
>   40           0         1          0  0.00  0.00  0.00   0 X.25 Encaps
Mana
>   41           0         1          0  0.00  0.00  0.00   0 PPP IP Add
Route
>   42        5292      6992        756  0.00  0.00  0.00   0 IP Background
>   43        1168      6859        170  0.00  0.00  0.00   0 Adj Manager
>   44           8      1373          5  0.00  0.00  0.00   0 TCP Timer
> PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>   45          88        89        988  0.00  0.00  0.00   0 TCP Protocols
>   46           0         1          0  0.00  0.00  0.00   0 Probe Input
>   47           0         1          0  0.00  0.00  0.00   0 RARP Input
>   48           0         1          0  0.00  0.00  0.00   0 HTTP Timer
>   49           0         1          0  0.00  0.00  0.00   0 Socket Timers
>   50        9692     11078        874  0.00  0.00  0.00   0 DHCPD Receive
>   51        1284      6851        187  0.00  0.00  0.00   0 IP Cache Ager
>   52           0         1          0  0.00  0.00  0.00   0 COPS
>   53           0         1          0  0.00  0.00  0.00   0 PAD InCall
>   54           0         2          0  0.00  0.00  0.00   0 X.25
Background
>   55        1488    411033          3  0.00  0.00  0.00   0 RUDPV1 Main
Proc
>   56           0         1          0  0.00  0.00  0.00   0 bsm_timers
>   57         608    411032          1  0.00  0.00  0.00   0 bsm_xmt_proc
>   58           4         2       2000  0.00  0.00  0.00   0 RLM groups
Proce
>   59        9988     81987        121  0.00  0.00  0.00   0 FR LMI
>   60        1064   4108553          0  0.00  0.00  0.00   0 FR Broadcast
Out
>   61         180   1631572          0  0.00  0.00  0.00   0 VFC File
System
>   62           0         1          0  0.00  0.00  0.00   0 Router
Autoconf
>   63           0         1          0  0.00  0.00  0.00   0 TSP
>   64           4         1       4000  0.00  0.00  0.00   0
QOS_MODULE_MAIN
>   65          64        63       1015  0.00  0.00  0.00   0 DSPRM
>   66           0         2          0  0.00  0.00  0.00   0 VFC Manager
>   67           0         2          0  0.00  0.00  0.00   0 Background
Loade
>   68           0         1          0  0.00  0.00  0.00   0 sssapp
>   69           0         2          0  0.00  0.00  0.00   0 RTSP_CLIENT
>   70           0         1          0  0.00  0.00  0.00   0 RTSP_DNS
>   71         648      6832         94  0.00  0.00  0.00   0 FR ARP
>   72           0         1          0  0.00  0.00  0.00   0 faxmsp
>   73           0         1          0  0.00  0.00  0.00   0 DocMSP
>   74           0         1          0  0.00  0.00  0.00   0 Syslog Traps
>   75         356     41112          8  0.00  0.00  0.00   0 RMON Recycle
Pro
>   76           4         2       2000  0.00  0.00  0.00   0 RMON Deferred
Se
>   77           0         1          0  0.00  0.00  0.00   0 RMON Packets
>   78           0         2          0  0.00  0.00  0.00   0 ISDN Timer
>   79           0         1          0  0.00  0.00  0.00   0 ISDNMIB
Backgrou
>   80           0         1          0  0.00  0.00  0.00   0 CallMIB
Backgrou
>   81           4         1       4000  0.00  0.00  0.00   0 ISDN From
Driver
>   82           4        64         62  0.00  0.00  0.00   0 Resource
Monitor
>   83           0         2          0  0.00  0.00  0.00   0 CC-API_VCM
>   84          12         4       3000  0.00  0.00  0.00   0 Session
Applicat
>   85          16         2       8000  0.00  0.00  0.00   0 VTSP
>   86           0         2          0  0.00  0.00  0.00   0 VOIP_RTCP
>   87           0         2          0  0.00  0.00  0.00   0 Voice Player
>   88           0         1          0  0.00  0.00  0.00   0 Media Content
Re
>   89           4         1       4000  0.00  0.00  0.00   0 pcapp
>   90           0         1          0  0.00  0.00  0.00   0 placecall
> PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>   91           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   92           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   93           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   94           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   95           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   96           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   97           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   98           0         2          0  0.00  0.00  0.00   0 tcl ivr app
>   99           0         1          0  0.00  0.00  0.00   0 lib_off_app
>  100           8         2       4000  0.00  0.00  0.00   0 CCH323_CT
>  101           0         2          0  0.00  0.00  0.00   0 CCH323_RTCP
>  102           0         1          0  0.00  0.00  0.00   0 CCH323_DNS
>  103           4         2       2000  0.00  0.00  0.00   0
CCSIP_SPI_CONTRO
>  104           0         1          0  0.00  0.00  0.00   0 CCSIP_DNS
>  105           4         1       4000  0.00  0.00  0.00   0
CCSIP_UDP_SOCKET
>  106           0         1          0  0.00  0.00  0.00   0
CCSIP_TCP_SOCKET
>  107           4         2       2000  0.00  0.00  0.00   0 RTPSPI
>  108           0         1          0  0.00  0.00  0.00   0 ISDN L2
Process
>  109           0         1          0  0.00  0.00  0.00   0 ISDN L3 Timer
Pr
>  110           0         1          0  0.00  0.00  0.00   0 ISDN L2D SRQ
Pro
>  111           0         3          0  0.00  0.00  0.00   0 AAA Accounting
>  112           4      3427          1  0.00  0.00  0.00   0 DHCPD Timer
>  113        1704    116452         14  0.00  0.00  0.00   0 DHCPD Database
>  114           0         1          0  0.00  0.00  0.00   0 Fax Receive
>  115           0         1          0  0.00  0.00  0.00   0 Fax Transmit
>  116           0         1          0  0.00  0.00  0.00   0 Tiff Writer
>  117           0       217          0  0.00  0.00  0.00   0 fax timers
>  118         776    822027          0  0.00  0.00  0.00   0 esmtp client
soc
>  119           0         2          0  0.00  0.00  0.00   0 esmtp server
soc
>  120           0         1          0  0.00  0.00  0.00   0 faxmail-client
>  121           4     20550          0  0.00  0.00  0.00   0 FR TUNNEL
>  122           0         1          0  0.00  0.00  0.00   0 FRF9 manager
>  123           0         1          0  0.00  0.00  0.00   0 FRF9 timed
event
>  124          36       806         44  0.00  0.00  0.00   0 CEF process
>  125           4        18        222  0.00  0.00  0.00   0 CEF
Scanner!!!!
>
> I don't know how to solve.
>
> =======
>
> >On Tue, 25 Dec 2001, Dreams Ruan wrote:
> >
> >> Hello,Everyone:
> >>
> >> I have a question about router's cpu utilization.My company's router
> >> is 2621,used a FE and a Serial port.The data flow about 1.1M/s per
port,
> >> and the packet flow about 2800 packets/s per port,but the router's cpu
> >> utilization is 95!!! I changed a router from 2621 to AS5300,the
AS5300's
> >> cpu utilization is 23-35.The data flow not so high,but Why so high cpu
> >> utilization? The router used static route,no others protocol.
> >
> >Do you have "no ip route-cache" in your config on either interface?
> >
> >Any debugging turned on?
> >
> >Try "show interface switching" and see if the majority of your traffic
> >is being process-switched for any reason.
> >
> >"Show process cpu" will give an indication as to what is going on as
well.
> >
> >--
> >Jay Hennigan - CCIE #7880 - Network Administration - jay@west.net
> >NetLojix Communications, Inc.  -  http://www.netlojix.com/
> >WestNet:  Connecting you to the planet.  805 884-6323
>
> = = = = = = = = = = = = = = = = = = = =
>
>
>                     VB
> @q#!
>
>                Dreams Ruan
>                dreams_r@163.com
> 2001-12-26
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:32:48 GMT-3