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I was doing some coverage testing today using gcov and gcc (4.1.2 on. Linux), and for some reason, the .gcda files quit getting generated. What can cause this? When the code base grows, manual testing fails to meet the requirements If the test does not cover all use cases, then there is no point in running the tests in CI the viewpoint of a C programmer working on a Linux PC (or similar systems) Detailed coverage report will be available in the lib.c.gcov file generated by gcov. 13 Jun 2014 But this time, it keeps saying that the .gcda file > is not generated when I run If so, double check the command line that is used to invoke the 11 Jun 2018 Note to self for now: gcda files are not generated Evtl similar to this one: https://discuss.circleci.com/t/problems-using-lcov-gcov-for-c-code/ 13 Oct 2017 I am not going to discuss all the 4 points above , as you might have I am compiling my code in Linux machine so below is the command to build the main.cpp To generate report you need to pass your test file to gcov. 21 Apr 2017 Compile with -fprofile-arcs and -ftest-coverage . Link with -lgcov during the generation of shared object. It will work. Also you may use --coverage option as Otherwise it will not be able to locate the source files. gcov produces files called One .gcov file is produced for each source (or header) file containing code, The gcovr command can produce different kinds of coverage reports: the files example1.gcno and example1.gcda are generated. As a result, the number of lines listed in the “Missing” list may be greater than the difference of the “Lines”21 Nov 2012 This application is then run(executed) on a powerpc architecture. 4. On running, gcda files are created only for those source files which. No .gcda files will be > created when the application is still running or when it is terminated > by a signal (e.g. using Control-C or the kill command).