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authorFred Drake <fdrake@acm.org>2003-04-09 04:06:37 (GMT)
committerFred Drake <fdrake@acm.org>2003-04-09 04:06:37 (GMT)
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Lots of small markup adjustments.
Diffstat (limited to 'Doc/lib/libhotshot.tex')
-rw-r--r--Doc/lib/libhotshot.tex58
1 files changed, 26 insertions, 32 deletions
diff --git a/Doc/lib/libhotshot.tex b/Doc/lib/libhotshot.tex
index 9c2513d..05bc067 100644
--- a/Doc/lib/libhotshot.tex
+++ b/Doc/lib/libhotshot.tex
@@ -2,31 +2,31 @@
High performance logging profiler}
\declaremodule{standard}{hotshot}
+\modulesynopsis{High performance logging profiler, mostly written in C.}
\moduleauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
\sectionauthor{Anthony Baxter}{anthony@interlink.com.au}
-
\versionadded{2.2}
-\modulesynopsis{High performance logging profiler, mostly written in C.}
-
-This module provides a nicer interface to the \code{_hotshot} C module.
+This module provides a nicer interface to the \module{_hotshot} C module.
Hotshot is a replacement for the existing \refmodule{profile} module. As it's
-written mostly in C, it should result in a much smaller performance impact
-than the existing profile module.
-
-\begin{classdesc}{Profile}{logfile, \optional{, lineevents=0, linetimings=1}}
-
-The profiler object. The argument \var{logfile} is the name of a log file
-to use for logged profile data. The argument \var{lineevents} specifies whether
-to generate events for every source line, or just on function call/return. It
-defaults to 0 (only log function call/return). The argument \var{linetimings}
-specifies whether to record timing information. It defaults to 1 (store timing
+written mostly in C, it should result in a much smaller performance impact
+than the existing \refmodule{profile} module.
+
+\begin{classdesc}{Profile}{logfile\optional{,
+ lineevents\code{=0}\optional{,
+ linetimings\code{=1}}}}
+The profiler object. The argument \var{logfile} is the name of a log
+file to use for logged profile data. The argument \var{lineevents}
+specifies whether to generate events for every source line, or just on
+function call/return. It defaults to \code{0} (only log function
+call/return). The argument \var{linetimings} specifies whether to
+record timing information. It defaults to \code{1} (store timing
information).
-
\end{classdesc}
+
\subsection{Profile Objects \label{hotshot-objects}}
Profile objects have the following methods:
@@ -38,22 +38,19 @@ Add an arbitrary labelled value to the profile output.
\begin{methoddesc}{close}{}
Close the logfile and terminate the profiler.
\end{methoddesc}
-
-%
+
\begin{methoddesc}{fileno}{}
Return the file descriptor of the profiler's log file.
\end{methoddesc}
\begin{methoddesc}{run}{cmd}
-Profile an exec-compatible string in the script environment.
-
-The globals from the \module{__main__} module are used as
+Profile an \keyword{exec}-compatible string in the script environment.
+The globals from the \refmodule[main]{__main__} module are used as
both the globals and locals for the script.
\end{methoddesc}
\begin{methoddesc}{runcall}{func, *args, **keywords}
Profile a single call of a callable.
-
Additional positional and keyword arguments may be passed
along; the result of the call is returned, and exceptions are
allowed to propogate cleanly, while ensuring that profiling is
@@ -62,8 +59,7 @@ disabled on the way out.
\begin{methoddesc}{runctx}{cmd, globals, locals}
-Evaluate an exec-compatible string in a specific environment.
-
+Evaluate an \keyword{exec}-compatible string in a specific environment.
The string is compiled before profiling begins.
\end{methoddesc}
@@ -75,32 +71,33 @@ Start the profiler.
Stop the profiler.
\end{methoddesc}
+
\subsection{Using hotshot data}
-\declaremodule{standard}{hotshot.stats}
+\declaremodule{standard}{hotshot.stats}
\modulesynopsis{Statistical analysis for Hotshot}
\versionadded{2.2}
-This module loads hotshot profiling data into the standard \module{pstats}
+This module loads hotshot profiling data into the standard \module{pstats}
Stats objects.
\begin{funcdesc}{load}{filename}
-Load hotshot data from \var{filename}. Returns an instance
+Load hotshot data from \var{filename}. Returns an instance
of the \class{pstats.Stats} class.
\end{funcdesc}
\begin{seealso}
- \seemodule{profile}{The profile module's \class{Stats} class }
+ \seemodule{profile}{The \module{profile} module's \class{Stats} class}
\end{seealso}
+
\subsection{Example Usage \label{hotshot-example}}
-Note that this example runs the python "benchmark" pystones. It can
+Note that this example runs the python ``benchmark'' pystones. It can
take some time to run, and will produce large output files.
\begin{verbatim}
-
>>> import hotshot, hotshot.stats, test.pystone
>>> prof = hotshot.Profile("stones.prof")
>>> benchtime, stones = prof.runcall(test.pystone.pystones)
@@ -120,7 +117,4 @@ take some time to run, and will produce large output files.
.
.
.
-
\end{verbatim}
-
-