Unit Instance

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        "`options WITNESS`: this option enables run-time lock order tracking and verification, and is an invaluable tool for deadlock diagnosis. WITNESS maintains a graph of acquired lock orders by lock type, and checks the graph at each acquire for cycles (implicit or explicit). If a cycle is detected, a warning and stack trace are generated to the console, indicating that a potential deadlock might have occurred. WITNESS is required in order to use the `show locks`, `show witness` and `show alllocks` DDB commands. This debug option has significant performance overhead, which may be somewhat mitigated through the use of `options WITNESS_SKIPSPIN`. Detailed documentation may be found in man:witness[4]."
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        "`options WITNESS`: this option enables run-time lock order tracking and verification, and is an invaluable tool for deadlock diagnosis. WITNESS maintains a graph of acquired lock orders by lock type, and checks the graph at each acquire for cycles (implicit or explicit). If a cycle is detected, a warning and stack trace are generated to the console, indicating that a potential deadlock might have occurred. WITNESS is required in order to use the `show locks`, `show witness` and `show alllocks` DDB commands. This debug option has significant performance overhead, which may be somewhat mitigated through the use of `options WITNESS_SKIPSPIN`. Detailed documentation may be found in man:witness[4]."
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    "note": "type: Plain text",
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    "source_unit": "https://translate-dev.freebsd.org/api/units/1072284/?format=api",
    "priority": 100,
    "id": 1072284,
    "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdevelopers-handbookkerneldebug_index/en/?checksum=e4e41a1962027983",
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    "timestamp": "2021-05-23T12:50:50.222516Z"
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