Seiji Aguchi is a Linux kernel developer, who has been working for Hitachi since 2004.He had developed a kernel memory dump tool, Linux Tough Dump, and a kernel tracing tool, Enterprise Event Recorder. He had developed a kernel memory dump tool, Linux Tough Dump, and a kernel tracing tool, Enterprise Event Recorder.And then, he has worked with Linux kernel community by applying his knowledge to trobuleshooting features such as pstore, kmsg_dumpers and tracepoints. Current his interest is enhancement of troubleshooting feature in OpenStack for enterprise use.