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show services link-services cpu-usage

Syntax

show services link-services cpu-usage
<brief | detail>
<interface interface-name>

Release Information

Command introduced in JUNOS Release 8.4.

Description

Display information about Link Services IQ (LSQ) CPU usage (M Series and T Series routers only).

Options

none — Display standard information about CPU usage for all LSQ interfaces.

brief | detail — (Optional) Display the specified level of output.

interface interface-name(Optional) Display information about the specified LSQ interface.

Required Privilege Level

view

List of Sample Output

show services link-services cpu-usage brief (AS PIC)
show services link-services cpu-usage brief (MultiServices PIC)
show services link-services cpu-usage detail (AS PIC)
show services link-services cpu-usage detail (MultiServices PIC)

Output Fields

Table 254 lists the output fields for the show services link-services cpu-usage command. Output fields are listed in the approximate order in which they appear.

Table 254: show services link-services cpu-usage Output Fields

Field Name

Field Description

Level of Output

Role

CPU functional category.

brief

1 Second Average

Percentage of usage during 1-second duration.

All levels

5 Second Average

Percentage of usage during 5-second duration.

All levels

QoS

Quality of service (QoS) CPU, which takes care of queuing and scheduling of incoming IP packets on a per-bundle basis. It schedules packets with higher QoS values first.

All levels

Sequencer

Assigns sequence numbers to outgoing MLPPP fragments and interleaves link fragmentation and interleaving (LFI) traffic.

All levels

Load Balancer

Distributes load across different fragmenter CPUs.

All levels

Fragmenter

Main LSQ CPU; fragments IP packets into MLPPP fragments and also reassembles MLPPP fragments into IP packets.

All levels

Total

Sum of all CPU functions.

brief

Idle

Counts idle cycles when the CPU does not have any work.

detail

Timer

Takes care of periodic events driven by a timer, such as timeouts.

detail

System

System housekeeping thread.

detail

Input (QoS)

Acquires and queues incoming IP frames from hardware interfaces.

detail

Output (QoS)

Sends scheduled frames to the next processing CPU.

detail

Output Frags (QoS)

Sends outstanding frames to the fragmenter CPU.

detail

Bypass (QoS)

Sends outstanding frames for LFI.

detail

Free frame (QoS)

Frees dropped frames.

detail

CPUnumber

Identifier number of specific CPU.

detail

Drop (Fragmenter)

Drops frames that have been marked by the QoS CPU.

detail

Frag (Fragmenter)

Fragments IP frames into MLPPP fragments.

detail

Reass (Fragmenter)

Reassembles MLPPP fragments into IP frames.

detail

Freeback (Fragmenter)

Handles freeback of credits from other CPUs (MultiServices PICs only).

detail

Input LFI (Sequencer)

Receives LFI traffic from QoS CPU and transmits it with strict priority over MLPPP.

detail

Input Frag (Sequencer)

Receives MLPPP fragments from fragmenter CPUs, assigns sequence numbers, and appends MLPPP headers.

detail

Output Frag (Sequencer)

Load-balances and transmits fragments across links.

detail

Retry (Sequencer)

Retries transmission if hardware was busy in the previous attempt.

detail

Input Alloc (Load Balancer)

Acquires frames from hardware interfaces and validates them.

detail

Input (Load Balancer)

Performs error and sanity checks and check frames for PortMapping.

detail

Output (Load Balancer)

Sends frame to next processing CPU.

detail

Freeback (Load Balancer)

Handles freeback of credits from other CPUs.

detail

Sample Output

show services link-services cpu-usage brief (AS PIC)

user@host> show services link-services cpu-usage interface lsq-0/0/0 brief
Role             1 Second Average       5 Second Average
QOS                          1.0%                   1.0%
Sequencer                   0.1%                   0.1%
Fragmenter                   0.1%                   0.1%
Total                        0.1%                   0.1%

show services link-services cpu-usage brief (MultiServices PIC)

user@host> show services link-services cpu-usage interface lsq-0/0/0 brief
  Role           1 Second Average       5 Second Average

  QoS                        0.1%                   0.1%
  Fragmenter                 0.1%                   0.1%
  Load Balancer              0.0%                   0.0%
  Total                      0.1%                   0.1%

show services link-services cpu-usage detail (AS PIC)

user@host> show services link-services cpu-usage interface lsq-0/0/0 detail
  QoS              Idle   Timer  System  Input Output Output Bypass  Free
                                                      Frags          frame

  CPU0            99.1%    0.9%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  CPU1            99.8%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave       99.5%    0.5%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  5 sec ave       99.5%    0.5%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%

  Fragmenter       Idle   Timer  System   Drop   Frag  Reass   Free
                                                               back

  CPU0            96.6%    0.1%    0.0%   0.0%   0.0%   3.3%   0.0%
  CPU1            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU2            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU3            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU4            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU5            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU6            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU7            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU8            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave       99.5%    0.1%    0.0%   0.0%   0.0%   0.4%   0.0%
  5 sec ave       99.5%    0.1%    0.0%   0.0%   0.0%   0.4%   0.0%

  Sequencer        Idle   System  Input  Input Output  Retry
                                    LFI   Frag   Frag

  CPU0            99.9%     0.1%   0.0%   0.0%   0.0%   0.0%
  CPU1           100.0%     0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave       99.9%     0.1%   0.0%   0.0%   0.0%   0.0%
  5 sec ave       99.9%     0.1%   0.0%   0.0%   0.0%   0.0%

show services link-services cpu-usage detail (MultiServices PIC)

user@host> show services link-services cpu-usage interface lsq-0/0/0 detail
  QoS              Idle   Timer  System  Input Output Output Bypass  Free
                                                       Frags         frame

  CPU0            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  CPU1            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  CPU2            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  CPU3            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  CPU4            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave       99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%
  5 sec ave       99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%   0.0%

  Fragmenter       Idle   Timer  System   Drop   Frag  Reass   Free
                                                               back

  CPU0            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU1            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU2            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU3            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU4            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU5            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU6            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU7            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU8            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU9            99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU10           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU11           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU12           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU13           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU14           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU15           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU16           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  CPU17           99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave       99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%
  5 sec ave       99.9%    0.1%    0.0%   0.0%   0.0%   0.0%   0.0%

  Load-Balancer    Idle   System  Input  Input Output   Free
                                  Alloc                 back

  CPU0           100.0%     0.0%   0.0%   0.0%   0.0%   0.0%
  CPU1           100.0%     0.0%   0.0%   0.0%   0.0%   0.0%
  1 sec ave      100.0%     0.0%   0.0%   0.0%   0.0%   0.0%
  5 sec ave      100.0%     0.0%   0.0%   0.0%   0.0%   0.0%

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