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joestringer/gist:4e7dd3ceb8e9e9bebfd7cb41bbe97e2d

Created September 1, 2016 21:27
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Kernel gcov recipe
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gistfile1.txt
09:25 < lrichard> Enable gcov kernel profiling in kernel config (CONFIG_GCOV_KERNEL)
09:25 < lrichard> Add "GCOV_PROFILE := y" to net/openvswitch/Makefile
09:25 < lrichard> Build kernel, install, reboot
09:25 < lrichard> Execute some tests involving kernel ovs data-plane...
09:25 < lrichard> mkdir -p /tmp/lcov
09:25 < lrichard> lcov -b /path/to/kernel/build/ -q -c --rc lcov_branch_coverage=1 -o /tmp/lcov/coverage.info
09:25 < lrichard> genhtml -q --branch-coverage --num-spaces 4 -o /tmp/lcov /tmp/lcov/coverage.info
09:25 < lrichard> firefox /tmp/lcov/index.html
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