Support MC/DC metrics. See '--mcdc-coverage' section of various man p…

…ages. Note that this version has been tested with gcc/14.2.0 (only). Signed-off-by: Henry Cox <[email protected]>
linux-test-project · Nov 18, 2024 · 8f4d783 · 8f4d783
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diff --git a/README b/README
@@ -1,6 +1,6 @@
 -------------------------------------------------
 - README file for the LTP GCOV extension (LCOV) -
-- Last changes: 2024-10-03
+- Last changes: 2024-11-12
 -------------------------------------------------
 
 Description
@@ -210,6 +210,15 @@ Point the web browser of your choice to the resulting index.html file.
 
          $ lcov --directory path/to/my/testcase --capture --output-file app.info
 
+       If you want to collect Modified Condition / Decision Coverage (MD/DC)
+       date, then:
+         - you must use gcc/14.2 or newer
+         - your compile- and link command line must include flag
+           '-fcondition-coverage'
+         - your lcov and genhtml command line must include flag
+           '--mcdc-coverage'
+       See the '--mcdc-coverage' section in the lcov and geninfo man pages.
+
        Note that runtime coverage data exists only after the application has
        been started and stopped at least once. Otherwise, no data will be found
        and lcov will abort with an error mentioning that there are no