108     PERFETTO_CHECK(getpid() != subprocess_.pid());  in Run()
112     subprocess_.Wait();  in Run()
115       *stderr_out = std::move(subprocess_.output());  in Run()
118                    subprocess_.pid(), subprocess_.output().c_str());  in Run()
120     return subprocess_.returncode();  in Run()
126     subprocess_.args.stderr_mode = base::Subprocess::kBuffer;  in Exec()
127     subprocess_.args.stdout_mode = base::Subprocess::kDevNull;  in Exec()
128     subprocess_.args.input = input;  in Exec()
136     std::vector<std::string>& cmd = subprocess_.args.exec_cmd;  in Exec()
145       subprocess_.args.env.push_back(  in Exec()
148       subprocess_.args.env.push_back(  in Exec()
171     subprocess_.args.preserve_fds.push_back(sync_pipe_rd);  in Exec()
176     subprocess_.args.posix_entrypoint_for_testing = [sync_pipe_rd] {  in Exec()
184     subprocess_.Start();  in Exec()
189   base::Subprocess subprocess_;  member in perfetto::__anon4ad7b2c50111::Exec