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Unified Diff: third_party/lcov-1.9/README

Issue 23189008: Upgrades lcov to 1.10, removes lcov-1.9 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Re-adds UNKNOWN suppression Created 7 years, 4 months ago
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Index: third_party/lcov-1.9/README
diff --git a/third_party/lcov-1.9/README b/third_party/lcov-1.9/README
deleted file mode 100644
index 654216295caef417b20c7fde6b17203f1d99be45..0000000000000000000000000000000000000000
--- a/third_party/lcov-1.9/README
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--------------------------------------------------
-- README file for the LTP GCOV extension (LCOV) -
-- Last changes: 2010-08-06 -
--------------------------------------------------
-
-Description
------------
- LCOV is an extension of GCOV, a GNU tool which provides information about
- what parts of a program are actually executed (i.e. "covered") while running
- a particular test case. The extension consists of a set of PERL scripts
- which build on the textual GCOV output to implement the following enhanced
- functionality:
-
- * HTML based output: coverage rates are additionally indicated using bar
- graphs and specific colors.
-
- * Support for large projects: overview pages allow quick browsing of
- coverage data by providing three levels of detail: directory view,
- file view and source code view.
-
- LCOV was initially designed to support Linux kernel coverage measurements,
- but works as well for coverage measurements on standard user space
- applications.
-
-
-Further README contents
------------------------
- 1. Included files
- 2. Installing LCOV
- 3. An example of how to access kernel coverage data
- 4. An example of how to access coverage data for a user space program
- 5. Questions and Comments
-
-
-
-1. Important files
-------------------
- README - This README file
- CHANGES - List of changes between releases
- bin/lcov - Tool for capturing LCOV coverage data
- bin/genhtml - Tool for creating HTML output from LCOV data
- bin/gendesc - Tool for creating description files as used by genhtml
- bin/geninfo - Internal tool (creates LCOV data files)
- bin/genpng - Internal tool (creates png overviews of source files)
- bin/install.sh - Internal tool (takes care of un-/installing)
- descriptions.tests - Test descriptions for the LTP suite, use with gendesc
- man - Directory containing man pages for included tools
- example - Directory containing an example to demonstrate LCOV
- lcovrc - LCOV configuration file
- Makefile - Makefile providing 'install' and 'uninstall' targets
-
-
-2. Installing LCOV
-------------------
-The LCOV package is available as either RPM or tarball from:
-
- http://ltp.sourceforge.net/coverage/lcov.php
-
-To install the tarball, unpack it to a directory and run:
-
- make install
-
-Use anonymous CVS for the most recent (but possibly unstable) version:
-
- cvs -d:pserver:anonymous@ltp.cvs.sourceforge.net:/cvsroot/ltp login
-
-(simply press the ENTER key when asked for a password)
-
- cvs -z3 -d:pserver:anonymous@ltp.cvs.sourceforge.net:/cvsroot/ltp export -D now utils
-
-Change to the utils/analysis/lcov directory and type:
-
- make install
-
-
-3. An example of how to access kernel coverage data
----------------------------------------------------
-Requirements: get and install the gcov-kernel package from
-
- http://sourceforge.net/projects/ltp
-
-Copy the resulting gcov kernel module file to either the system wide modules
-directory or the same directory as the PERL scripts. As root, do the following:
-
- a) Resetting counters
-
- lcov --zerocounters
-
- b) Capturing the current coverage state to a file
-
- lcov --capture --output-file kernel.info
-
- c) Getting HTML output
-
- genhtml kernel.info
-
-Point the web browser of your choice to the resulting index.html file.
-
-
-4. An example of how to access coverage data for a user space program
----------------------------------------------------------------------
-Requirements: compile the program in question using GCC with the options
--fprofile-arcs and -ftest-coverage. During linking, make sure to specify
--lgcov or -coverage.
-
-Assuming the compile directory is called "appdir", do the following:
-
- a) Resetting counters
-
- lcov --directory appdir --zerocounters
-
- b) Capturing the current coverage state to a file (works only after the
- application has been started and stopped at least once)
-
- lcov --directory appdir --capture --output-file app.info
-
- c) Getting HTML output
-
- genhtml app.info
-
-Point the web browser of your choice to the resulting index.html file.
-
-Please note that independently of where the application is installed or
-from which directory it is run, the --directory statement needs to
-point to the directory in which the application was compiled.
-
-For further information on the gcc profiling mechanism, please also
-consult the gcov man page.
-
-
-5. Questions and comments
--------------------------
-See the included man pages for more information on how to use the LCOV tools.
-
-Please email further questions or comments regarding this tool to the
-LTP Mailing list at ltp-coverage@lists.sourceforge.net
-
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