Re: [PATCH v2 3/3] rtla: fix -a overriding -t argument

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út 12. 8. 2025 v 19:22 odesílatel Ivan Pravdin
<ipravdin.official@xxxxxxxxx> napsal:
>
> When running rtla as
>
>     `rtla <timerlat|osnoise> <top|hist> -t custom_file.txt -a 100`
>
> -a options override trace output filename specified by -t option.
> Running the command above will create <timerlat|osnoise>_trace.txt file
> instead of custom_file.txt. Fix this by making sure that -a option does
> not override trace output filename even if it's passed after trace
> output filename is specified.
>

Yes, this should not be overridden, it's a bug in both the old
implementation and the new one using actions. Thank you for the fix.

> Remove clear_terminal in timerlat top as it removes "Saving trace to <filename>"
> line from the terminal and is not used in other modes.
>

This is not the correct fix for the issue. clear_terminal is needed in
timerlat top (and osnoise top) to clear the terminal before the
updated status is printed, the fix removes it without a replacement,
breaking this behavior. Also, this is a different issue that appeared
only when the actions patchset [1] was merged, and should go into a
separate patch with a different Fixes tag.

[1] https://lore.kernel.org/linux-trace-kernel/20250626123405.1496931-1-tglozar@xxxxxxxxxx/T/#t

Tomas






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