Trace each machine instruction.
Trace each instruction while in the given function.
Trace the instruction at address.
Trace calls to and returns from the given function.
Trace calls to any member function named function.
Trace when any function named function is called.
Trace calls to any member function of class.
Trace changes to the variable.
filename is the name of the file to which you want trace output sent.
function is the name of a function.
line is the number of a source code line.
class is the name of a class.
variable is the name of a variable.
See trace Command for more information.