Chapter 4 - DSpace at Waseda University
Chapter 4 - DSpace at Waseda University
Chapter 4 - DSpace at Waseda University
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<strong>Chapter</strong> 5<br />
Case Study<br />
The kernels such as Linux, Windows, Mac OS, Micro-kernel oper<strong>at</strong>es as time. Therefore, it<br />
is the timer which is the most important factor of kernel. Occurrence of timer delay can be<br />
the problem of kernel itself, but it can be problem of middleware or applic<strong>at</strong>ion. Especially,<br />
in case of RTOS or embedded system, timer is much more important.<br />
In this thesis, we measured the l<strong>at</strong>ency of High Resolution Timer (HRTimer) [6] in the<br />
Linux kernel. We found out and analyzed the l<strong>at</strong>ency of HRTimer in kernel by using KAS. It<br />
was proved th<strong>at</strong> when analyzing by proposed system, it is possible to find problem quickly<br />
and analyze accur<strong>at</strong>ely.
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