DTrace Consumer Options
DTrace is tuned by setting or enabling options. The available options are described in the following
table. For more information, see the dtrace(1M) man page.
Table 19 DTrace Consumer Options
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agghist
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Print aggregation as histogram
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aggpack
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Print aggregation histograms in packed form
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time
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Rate of aggregation reading
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aggsize
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size
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Aggregation buffer size
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aggsortkey
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-
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Sort aggregation by key order with ties broken by value
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aggsortrev
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-
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Sort aggregation in the reverse order
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aggsortpos
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position
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Position of the aggregate variable on which the output is
sorted
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aggsortkeypos
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position
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Position of the aggregate key on which the output is sorted
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aggzoom
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Zoom aggregation histograms to the maximum value
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bufresize
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auto or manual
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Buffer resizing policy
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bufsize
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size
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-b
|
Principal buffer size
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cleanrate
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time
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Cleaning rate
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cpu
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scalar
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-c
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CPU on which to enable tracing
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defaultargs
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-
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Allow references to unspecified macro arguments
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destructive
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-
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-w
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Allow destructive actions
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dynvarsize
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size
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Dynamic variable space size
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errexit
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scalar
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Exit on error with a specified status code. However, if no
arguments are specified, exits with the status code 1.
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flowindent
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-
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-F
|
Indent function entry and prefix with >; unindent function
return and prefix with <
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grabanon
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-
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-a
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Claim anonymous state
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jstackframes
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scalar
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Number of default stack frames jstack
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jstackstrsize
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scalar
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Default string space size for jstack
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noresolve
|
-
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Alias for uresolve=no.
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nspec
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scalar
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Number of speculations
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quiet
|
-
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-q
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Output only explicitly traced data
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rawbytes
|
-
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Always print tracemem output in hexadecimal
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specsize
|
size
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Speculation buffer size
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strsize
|
size
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String size
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stackframes
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scalar
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Number of stack frames
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stackindent
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scalar
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Number of whitespace characters to use when indenting stack and
ustack output
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time
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Rate of status checking
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time
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Rate of buffer switching
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uresolve
|
no, symbol, basename, absolute
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Modify resolution of user addresses
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ustackframes
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scalar
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Number of user stack frames
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Values that denote sizes may be given an optional suffix of k, m, g, or t to denote kilobytes,
megabytes, gigabytes, and terabytes respectively. Values that denote times
may be given an optional suffix of ns, us, ms, s or hz to denote nanoseconds,
microseconds, milliseconds, seconds, and number-per-second, respectively.