entry_stamp        36 samples/kprobes/kretprobe_example.c 	ktime_t entry_stamp;
entry_stamp        48 samples/kprobes/kretprobe_example.c 	data->entry_stamp = ktime_get();
entry_stamp        65 samples/kprobes/kretprobe_example.c 	delta = ktime_to_ns(ktime_sub(now, data->entry_stamp));