FTRACE_README_KRETPROBE_OFFSET 1023 tools/perf/util/probe-file.c DEFINE_TYPE(FTRACE_README_KRETPROBE_OFFSET, "*place (kretprobe): *"), FTRACE_README_KRETPROBE_OFFSET 1079 tools/perf/util/probe-file.c return scan_ftrace_readme(FTRACE_README_KRETPROBE_OFFSET);