observe
commandtrace
and dump var
. For commands, it renames
the observed procedure and uses a special wrapper procedure. WARNING: using this procedure after checkpointing
state will result in major problems if you clean state because the renamed
(true) commands will be lost.
This procedure is experimental (to say the least). Comments are encouraged.
observe command
cmdname ?maxlevel?
dump
) the call stack to the console. maxlevel
represents the maximum number of levels of the call stack which will be
printed (defaults to 4).
observe cdelete
cmdname
observe cinfo
cmdname
observe variable
varname operation ?args?
dump
to
print out the value of the named variable whenever the specified operation
on that variable occurs (must be read, write or unset).
observe vdelete
varname operation
observe vinfo
varname