CHILD_FROM_PARENT
CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
CHILD_FROM_PARENT("spawn threads", parent_tracee, msg);
CHILD_FROM_PARENT("tracer wait", parent_tracer, msg);
CHILD_FROM_PARENT("raise1 child", parent_child, msg);
CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
CHILD_FROM_PARENT("Message 1", parent_tracee, msg);
CHILD_FROM_PARENT("Message 2", parent_tracee, msg);
CHILD_FROM_PARENT("Message 1", parent_tracee, msg);
CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
CHILD_FROM_PARENT("exit child1", parent_child, msg);
CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);