where can I find 'os_log' output logs in swift on MacBook Pro

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Created Aug ’20

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Hi,
I have tried to compile and run SimpleFirewall example on MacBook Pro. Where can I get 'os_log' output logs in this example? I have verified in system.log but no use.

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Answer 1

Claude31 OP

Aug ’20

That's probably too obvious point: have you checked Console pane is open (on/off with square buttons at the very bottom, close to trash icon).

May also read this: https://developer.apple.com/documentation/os/logging/viewing_log_messages

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Answer 2

DTS Engineer OP

Apple

Aug ’20

Also:

In the app, make sure you check Action > Include Info Messages and Action > Include Debug Messages.
If the command line is more your thing, check out the stream subcommand to log. See its man page for details.
It’s really important to create your own log instances, with a unique subsystem, so you can find your messages in amongst all the others logged by the system.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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