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gerrit.openbmc.org / openbmc / phosphor-virtual-sensor / 4224ca36acd8bf7089e1e2f566ef5235d0f86c97
commit4224ca36acd8bf7089e1e2f566ef5235d0f86c97[log] [tgz]
authorPatrick Williams <patrick@stwcx.xyz>Sat Feb 01 08:23:14 2025 -0500
committerPatrick Williams <patrick@stwcx.xyz>Sat Feb 01 08:23:14 2025 -0500
tree9759ee437a47238d8b58b5aee474c4880755db1e
parent76e6c5afb92c06c5ed925e92752cde0f52a9c493 [diff]
clang-format: update latest spec and reformat

Copy the latest format file from the docs repository and apply.

Change-Id: I75589ffb25513a101efdcf6ce060538b5d000ffb
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
1 file changed
tree: 9759ee437a47238d8b58b5aee474c4880755db1e
  1. subprojects/
  2. test/
  3. .clang-format
  4. .editorconfig
  5. .gitignore
  6. .prettierrc.yaml
  7. calculate.cpp
  8. calculate.hpp
  9. dbusSensor.cpp
  10. dbusSensor.hpp
  11. dbusUtils.cpp
  12. dbusUtils.hpp
  13. exprtkTools.hpp
  14. LICENSE
  15. main.cpp
  16. meson.build
  17. meson.options
  18. OWNERS
  19. phosphor-virtual-sensor.service.in
  20. README.md
  21. thresholds.hpp
  22. virtual_sensor_config.json
  23. virtualSensor.cpp
  24. virtualSensor.hpp
README.md

phosphor-virtual-sensor

phosphor-virtual-sensor reads the configuration file virtual_sensor_config.json from one of three locations:

  1. The current directory.
  2. /var/lib/phosphor-virtual-sensor
  3. /usr/share/phosphor-virtual-sensor

By default the repository will install a sample config into (3).

There are two types of data in this file.

virtual sensor configuration information

See virtual_sensor_config.json in this repository for an example. Sensors added this way can use any expression that is accepted by exprtk.

information to get a virtual sensor configuration from D-Bus

For example:

{
  "Desc": {
    "Config": "D-Bus"
  }
}

Sensors added this way can only use a set of restricted calculations. Currently supported types are Average, Maximum, Minimum, Sum and ModifiedMedian.

The virtual sensor configuration information needs to be added into the relevant hardware configuration file in entity-manager. This method of adding a virtual sensor allows a recipe that builds for different hardware configurations to have different virtual sensors for each configuration.

The virtual sensor configuration in entity manager follows a different format to the JSON in virtual_sensor_config.json (specified in entity-manager/schemas/VirtualSensor.json).