ftrace_test_recursion_trylock
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(nip, parent_nip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(func, ret);
bit = ftrace_test_recursion_trylock(trace.func, ret);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);
bit = ftrace_test_recursion_trylock(ip, parent_ip);