Allow sharing traces via MAGIC_TRACE_SHARE_COMMAND
#132
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Port configurability is a big deal! We all use the same machine at work to do magic-trace stuff. That said, I'm fine with adding it back in a separate feature. |
Tested with `MAGIC_TRACE_SHARE_COMMAND=/usr/bin/echo`. Also fixed a bug where we were unconditionally serving the UI if the Perfetto base dir was specified. We lose port configurability, but it's not a big deal and we can add it back as a separate flag if we want to.
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I'm not sure which I like more:
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My heart says (2, but start at 1024), but my brain says (1). S'up to you. |
cgaebel
requested changes
Apr 8, 2022
| flag | ||
| "serve" | ||
| no_arg | ||
| ~doc:[%string " Serves the magic-trace UI on port %{port#Int})"] |
| ~args:[ Filename_unix.realpath store_path ] | ||
| () | ||
| in | ||
| Core.printf "%s%!" output |
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This won't show output until the command ends, and it might also swallow stderr? I'd use the cruddy process APIs to transfer stdout/stderr of the subprocess to magic-trace's.
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| let maybe_param = | ||
| Option.map Env_vars.share_command_filename ~f:(fun share_command_filename -> | ||
| let%map_open.Command share = flag "share" no_arg ~doc:"Share trace." in |
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That help text could say more. If you don't want it to be too long, I'm happy with the docs just being magic-trace.org/w/share and then we explain how sharing works on the wiki somewhere.
Serve could arguably work the same way.
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Tested with
MAGIC_TRACE_SHARE_COMMAND=/usr/bin/echo.Also fixed a bug where we were unconditionally serving the UI if the
Perfetto base dir was specified. We lose port configurability, but it's
not a big deal and we can add it back as a separate flag if we want to.