Series-acked-by: Chengwen Feng <[email protected]>
On 6/10/2026 12:13 AM, Bruce Richardson wrote:
> To simplify interactive telemetry script for general use, i.e. not from
> other scripts, we can add two new features to it:
>
> 1. Support for FOREACH to allow gathering a set of output values across
> a list of ports or devices, e.g. ethdevs or rawdevs.
> 2. Support having predefined aliases in a file in the user's home
> directory to simplify the use of more complicated FOREACH commands.
>
> Putting these together, we can create new commands such as "eth_names".
>
> bruce@host:$ cat ~/.dpdk_telemetry_aliases
> eth_names=FOREACH index /ethdev/list /ethdev/info,$index .name
>
> bruce@host:$ echo eth_names | ./usertools/dpdk-telemetry.py | jq
> [
> {
> "index": 0,
> "name": "0000:16:00.0"
> },
> {
> "index": 1,
> "name": "0000:16:00.1"
> }
> ]
>
> ---
> v3: updated based on review feedback from Chengwen:
> - added arg to override alias file
> - printed one-line summary of alias count loaded
> - improved doc for "help" command
> - added "help alias" to list aliases.
> v2: added third patch with "help" command giving more details on
> how to use the various commands.
>
> Bruce Richardson (3):
> usertools/telemetry: add a FOREACH command
> usertools/telemetry: support using aliases for long commands
> usertools/telemetry: add help support
>
> doc/guides/howto/telemetry.rst | 106 ++++++++++++-
> usertools/dpdk-telemetry.py | 278 ++++++++++++++++++++++++++++++++-
> 2 files changed, 373 insertions(+), 11 deletions(-)
>
> --
> 2.53.0
>
>
