8335479: JFR: Missing documentation for -XX:StartFlightRecording
Reviewed-by: mgronlun
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@ -1710,10 +1710,12 @@ This prevents the JVM from exiting and keeps the process active so that
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you can attach a debugger to it to investigate the cause of the error.
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By default, this option is disabled.
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.TP
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\f[V]-XX:StartFlightRecording=\f[R]\f[I]parameter\f[R]\f[V]=\f[R]\f[I]value\f[R]
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\f[V]-XX:StartFlightRecording:\f[R]\f[I]parameter\f[R]\f[V]=\f[R]\f[I]value\f[R]
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Starts a JFR recording for the Java application.
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This option is equivalent to the \f[V]JFR.start\f[R] diagnostic command
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that starts a recording during runtime.
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\f[V]-XX:StartFlightRecording:help\f[R] prints available options and
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example command lines.
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You can set the following \f[I]parameter\f[R]\f[V]=\f[R]\f[I]value\f[R]
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entries when starting a JFR recording:
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.RS
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@ -1760,6 +1762,8 @@ written when the recording is stopped, for example:
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.PP
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If %p and/or %t is specified in the filename, it expands to the
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JVM\[aq]s PID and the current timestamp, respectively.
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The filename may also be a directory in which case, the filename is
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generated from the PID and the current date in the specified directory.
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.RE
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.TP
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\f[V]name=\f[R]\f[I]identifier\f[R]
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@ -1840,6 +1844,9 @@ The whitespace delimiter can be omitted for timespan values, i.e.
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20ms.
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For more information about the settings syntax, see Javadoc of the
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jdk.jfr package.
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.PP
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To only see warnings and errors from JFR during startup set
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-Xlog:jfr+startup=warning.
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.RE
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.TP
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\f[V]-XX:ThreadStackSize=\f[R]\f[I]size\f[R]
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