1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE part SYSTEM "part.dtd"> 3 4<part xmlns:xi="http://www.w3.org/2001/XInclude"> 5 <header> 6 <copyright> 7 <year>1996</year><year>2016</year> 8 <holder>Ericsson AB. All Rights Reserved.</holder> 9 </copyright> 10 <legalnotice> 11 Licensed under the Apache License, Version 2.0 (the "License"); 12 you may not use this file except in compliance with the License. 13 You may obtain a copy of the License at 14 15 http://www.apache.org/licenses/LICENSE-2.0 16 17 Unless required by applicable law or agreed to in writing, software 18 distributed under the License is distributed on an "AS IS" BASIS, 19 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 See the License for the specific language governing permissions and 21 limitations under the License. 22 23 </legalnotice> 24 25 <title>Tools User's Guide</title> 26 <prepared></prepared> 27 <docno></docno> 28 <date></date> 29 <rev></rev> 30 </header> 31 <description> 32 <p>The <em>Tools</em> application contains a number of stand-alone 33 tools, which are useful when developing Erlang programs.</p> 34 <taglist> 35 <tag><em>cover</em></tag> 36 <item>A coverage analysis tool for Erlang.</item> 37 <tag><em>cprof</em></tag> 38 <item>A profiling tool that shows how many 39 times each function is called. Uses a kind of local call trace 40 breakpoints containing counters to achieve very low runtime 41 performance degradation.</item> 42 <tag><em>emacs - (erlang.el and erlang-start.el)</em></tag> 43 <item>This package provides support 44 for the programming language Erlang in Emacs. The package provides an 45 editing mode with lots of bells and whistles, compilation 46 support, and it makes it possible for the user to start Erlang 47 shells that run inside Emacs.</item> 48 <tag><em>eprof</em></tag> 49 <item>A time profiling tool; measure how time is used in Erlang 50 programs. Erlang programs. Predecessor of <em>fprof</em> (see below).</item> 51 <tag><em>fprof</em></tag> 52 <item>Another Erlang profiler; measure how time is used in your 53 Erlang programs. Uses trace to file to minimize runtime 54 performance impact, and displays time for calling and called 55 functions.</item> 56 <tag><em>instrument</em></tag> 57 <item>Utility functions for obtaining and analysing resource usage 58 in an instrumented Erlang runtime system.</item> 59 <tag><em>lcnt</em></tag> 60 <item>A lock profiling tool for the Erlang runtime system.</item> 61 <tag><em>make</em></tag> 62 <item>A make utility for Erlang similar to UNIX make.</item> 63 <tag><em>tags</em></tag> 64 <item>A tool for generating Emacs TAGS files from Erlang source 65 files.</item> 66 <tag><em>xref</em></tag> 67 <item>A cross reference tool. Can be used to check dependencies 68 between functions, modules, applications and releases.</item> 69 </taglist> 70 </description> 71 <xi:include href="cover_chapter.xml"/> 72 <xi:include href="cprof_chapter.xml"/> 73 <xi:include href="erlang_mode_chapter.xml"/> 74 <xi:include href="fprof_chapter.xml"/> 75 <xi:include href="lcnt_chapter.xml"/> 76 <xi:include href="xref_chapter.xml"/> 77</part> 78 79