[PATCH v2 3/3] usertools/telemetry: add help support

[fengchengwen]

On 5/22/2026 9:37 PM, Bruce Richardson wrote:
> While the telemetry infrastructure supported using "/help,/<cmd>" to get
> help on specific commands, with the addition of script-specific
> commands, we needed better help support to explain the use of FOREACH,
> and to allow e.g. "help /<cmd>" using space separation, which is more
> intuitive. This patch adds that help support.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
>  usertools/dpdk-telemetry.py | 61 ++++++++++++++++++++++++++++++++++++-
>  1 file changed, 60 insertions(+), 1 deletion(-)
> 
> diff --git a/usertools/dpdk-telemetry.py b/usertools/dpdk-telemetry.py
> index 8b976160e0..2c88b91517 100755
> --- a/usertools/dpdk-telemetry.py
> +++ b/usertools/dpdk-telemetry.py
> @@ -25,6 +25,26 @@
>  ALIAS_FILE = ".dpdk_telemetry_aliases"
>  MAX_ALIAS_EXPANSIONS = 32
>  
> +BASIC_HELP_TEXT = """Basic usage:
> +    /<command>[,<params>]      Send a telemetry command to the app
> +    FOREACH ...                Run a compound query over list items
> +    help                       Show this help
> +    help /<command>            Show app-provided help for a command
> +    help FOREACH               Show FOREACH usage and examples
> +    quit                       Exit the client

Please add help alias to show ALL loaded command alias