wm/prof [ -e ] [ -m modname ] ... [ -s rate ] [ cmd arg ... ]
The tk version of the profiler wm/prof shows this information in a text widget and colours the lines of source according to the amount of time spent on each line. The darker the colour, the longer spent.
The -b option starts profiling.
The -f option shows the function profile.
The -l option shows the line profile. If neither this option nor the -f option are given, -l is assumed.
The -n option lists the name of the file along with the line number.
The -v option outputs all functions and/or lines even when the percentage of time spent in them is zero.
The -m option lists the module names which are to be profiled. If none are given, all the modules loaded by the kernel will be profiled. The name may be the actual name of the module or its path name.
The -e option profiles the module that is loaded first in any following command. In this case there is no need to give a -m option as this is added automatically.
The -s option sets the sample interval rate and is expressed in ms. The default is 100 ms.
Any remaining arguments are assumed to specify a command and set of arguments to the command. If this is the case, prof will automatically start profiling, run the command to completion and then stop profiling before showing the profile statistics.
Prof displays the profile statistics (unless the -b option is being used) according to the output format required.
To profile a particular command prof /dis/math/parts 10000 wm/prof /dis/math/parts 10000 To profile the same command but restrict attention to its own module (Partitions). prof -m Partitions /dis/math/parts 10000 wm/prof -m Partitions /dis/math/parts 10000 A shorter version of the above prof -e /dis/math/parts 10000 wm/prof -e /dis/math/parts 10000 To profile interactively prof -b -m Partitions -s 10 /dis/math/parts 10000 prof -f -l -n
Note that the output format options ( -f , -l , -n , -v ) are ignored when -b is present.
|PROF(1 )||Rev: Sun Feb 22 17:41:21 GMT 2009|