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lu-zero/kcov-profiling.md

Last active January 30, 2020 11:21
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profiling
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kcov-profiling.md 
$ cargo build --release
$ kcov --include-path=src/ /tmp/kcov target/release/rav1e $SAMPLE -s $SPEED --tiles $TILES -o /dev/null
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nightly-profiler.md 
$ export PROJECT=rav1e
$ export RUSTFLAGS="-C target-cpu=native \
-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 \
-Clink-dead-code -Coverflow-checks=off -Zno-landing-pads"
$ export CARGO_INCREMENTAL=0
$ cargo +nightly run --release -- $SAMPLE -s $SPEED --tiles $TILES -o /dev/null
$ gcovr -r . --gcov-executable "llvm-cov gcov" --filter src/
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