A simple interactive program to quickly observe the I/O latency of a block storage device.
The latency can be measured either manually (using rdtsc) or using blktrace.
This was developed for the following work:
-
Hyogi Sim, Hoyoung Jung, Sungmin Park, Sooyong Kang, Jaehyuk Cha, "Identifying the FTL Mapping Scheme for USB Flash Devices," The 4th International Conference on Convergence Technology and Information Convergence (CTIC), Oct.2009