single function statistics.
\end{methoddesc}
+\begin{methoddesc}[Stats]{dump_stats}{filename}
+Save the data loaded into the \class{Stats} object to a file named
+\var{filename}. The file is created if it does not exist, and is
+overwritten if it already exists. This is equivalent to the method of
+the same name on the \class{profile.Profile} class.
+\versionadded{2.3}
+\end{methoddesc}
+
\begin{methoddesc}[Stats]{sort_stats}{key\optional{, ...}}
This method modifies the \class{Stats} object by sorting it according
to the supplied criteria. The argument is typically a string