dtrace

macos

A simple interface to invoke the D language compiler, retrieve buffered trace and print traced data from the DTrace kernel facility. Generic front-end to DTrace facility, requiring root privileges.

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Examples (8)

Set target data model for a specific architecture

dtrace -arch arch_name

Claim [a]nonymous tracing state and display the traced data

dtrace -a

Set principal trace buffer size. Supported units are `k`, `m`, `g`, or `t`

dtrace -b 2g

Compile the specified D Program [s]ource file

dtrace -s D_script

Run the specified [c]ommand and exit upon its completion

dtrace -c command

Specify [f]unction name to trace or list (-l option). The corresponding argument can include any of the probe description forms like `provider:module:function`, `module:function`, or `function`

dtrace -f function

Grad the specified [p]rocess ID, cache its symbol table, and exit upon completion

dtrace -p pid

Combine different options for tracing function in a process

dtrace -a -b buffer_size -f function -p pid

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