Method recompute_global_coverage

src/feedback/observer.rs:245–266

Recompute the global branch coverage according current seed programs. typicall called after Fuzzer::Executor::recheck_seeds();

(&mut self)

    // Recompute the global branch coverage according current seed programs.
    // typicall called after Fuzzer::Executor::recheck_seeds();
    pub fn recompute_global_coverage(&mut self) -> Result<()> {
        log::info!(
            "Recompute the global branch coverage! \n Previous: {}",
            self.dump_global_states()
        );
        self.clear_global_branches();

        let seed_dir = self.deopt.get_library_seed_dir()?;
        for seed in read_sort_dir(&seed_dir)? {
            let mut program = Program::load_from_path(&seed)?;
            let coverage = self.deopt.get_seed_coverage(program.id)?;
            let unique_branches = self.has_unique_branch(&coverage);
            if !unique_branches.is_empty() {
                program.set_unique_branches(unique_branches);
                self.merge_coverage(&coverage);
                // update the quality
                self.deopt.save_program(&program)?;
            }
        }
        log::info!("Recompute finished. Current: {}", self.dump_global_states());
        Ok(())
    }
}

#[cfg(test)]