ipmitool dcmi power reading

Why does this tool exist

Because you are asking yourself "how do I get my power consumption numbers" ?

Internet links:

• https://serverfault.com/questions/736068/how-do-i-get-the-power-consumption-of-a-dell-poweredge-server-on-the-cli
• https://serverfault.com/questions/389224/power-usage-via-ipmi-or-bios-or

So you seem to have two options:

• Using racadm: (https://serverfault.com/a/1070451/336084)
• Using ipmitool: (https://serverfault.com/a/1141974/336084) - (https://wiki.evolix.org/HowtoIPMI)

I used the racadm method for years, and I find it slow and sometimes it does not work because an iDRAC session is open. Then I used ipmitool and it did great, but had text output I needed to parse.

So I first wrote the same tool with the same text output and it worked. The original C code can be found here: ipmitool 1.8.19

Special thanks to the library ipmi-rs that made this possible.

Use

A tool to fetch the power reading with ipmi dcmi

Usage: ipmitool-dcmi-power-reading [OPTIONS]

Options:
  -c, --connection-uri <CONNECTION_URI>
          The connection URI to use [default: file:///dev/ipmi0]
      --timeout-ms <TIMEOUT_MS>
          How many milliseconds to wait before timing out while waiting for a response [default: 2000]
      --format <FORMAT>
          The format to output [default: text] [possible values: text, json]
  -h, --help
          Print help
  -V, --version
          Print version

Example (text)

Instantaneous power reading              : 212      Watts
Minimum during sampling period           : 2        Watts
Maximum during sampling period           : 468      Watts
Average power reading over sample period : 184      Watts
IPMI timestamp                           : 2024-05-05 14:17:17 UTC
Sampling period                          : 1000 Milliseconds
Power reading state is                   : activated

Example (json)

{"grp_id":220,"curr_pwr":209,"min_sample":2,"max_sample":468,"avg_pwr":184,"time_stamp":1714918638,"sample":1000,"state":64}