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chpstat: add tool to display channel-path statistics

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Add a new tool named chpstat that can be used to view channel-path
statistics such as utilization and I/O throughput, and to query and
control the status of the channel-path statistics function.

Note: Channel-path statistics are only available on systems running in
      an LPAR or DPM partition.

When run without further options, data for all channel-paths is
displayed repeatedly with a 5 second delay in table format.

Example output:

      CHANNEL-PATH       UTILIZATION(%)   READ(B/s)  WRITE(B/s)
  ID TYP CMG SHR SPEED  PART TOTAL  BUS  PART TOTAL  PART TOTAL
  1d  25   2   1     -  7.16  7.50 7.50  129M  129M  0.00  161K
  21  1b   2   1   32G  0.00  0.00 0.00  0.00  0.00  0.00  0.00
  34  1b   2   1   32G  0.00  0.00 0.00  0.00  0.00  0.00  0.00
  61  25   2   1     -  0.00  0.01 0.00  0.00 2.00K  0.00  307K
  63  25   2   1     -  0.00  0.01 0.00  0.00  0.00  0.00  381K
  bd  11   2   1   10G     -     -    - 529.8 532.1 616.3 616.3

Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
This commit is contained in:
Peter Oberparleiter
2024-02-05 14:40:25 +01:00
committed by Steffen Eiden
parent 38ea8fc3ee
commit cb77faeae7
17 changed files with 4974 additions and 1 deletions
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@@ -92,6 +92,7 @@ vmcp/vmcp
vmur/vmur
zconf/chp/chchp
zconf/chp/lschp
zconf/chp/chpstat/chpstat
zconf/css/lscss
zconf/qeth/lsqeth
zconf/scm/lsscm