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Project2 : Orientation Lock Design of Test

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Project2 : Orientation Lock - Result Selector (Writer lock)Trial (Reader lock)

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Project3 : Custom Scheduler

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Project3 : Custom Scheduler - Specification Preparation Investigate Linux Scheduling mechanism Main Goal Implement a Symmetric Multiprocessor Weighted Round-Robin(WRR) Scheduler Set WRR Scheduler as a default scheduler Test Input sample job and execute it with new scheduler Further discussion Investigate how Android and Tizen optimize power

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Project3 : Custom Scheduler - Design & Implementation

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Project3 : Custom Scheduler - Power Management

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Project3 : Custom Scheduler - Result

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Project3 : Custom Scheduler - Design of Test

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Project3 : Custom Scheduler - Result 748654853379 = 3^1 * 17^1 * 54833^1 * 267713^1

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Project3 : Custom Scheduler - Result

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Project4 : Geo-tagged Filesystem

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Project4 : Geo-tagged Filesystem - Specification Preparation Investigate VFS & Ext2 Filesystem Main Goal Get GPS information and update it to kernel device location Modify Ext2 GPS File System to contain location attribute (Extra Credit) Location-based File Access Authorization Test User-space Testing

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Project4 : Geo-tagged Filesystem - Design & Implementation

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Project4 : Geo-tagged Filesystem - Result

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Project4 : Geo-tagged Filesystem Result (Extra Credit)

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Discussion in GitHub Github repository Issue tracker discussion 53 issues with 250 comments Discussion

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Discussion in GitHub

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Enjoy Practical projects Challenging projects Handling kernel code Team-work Software-engineering Hate Environment setup Lack of references Difficult projects

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. . Tizen, Open Source . 50 45 .

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Other On-going Contribution to Open Source Projects from CMS Lab REEF Big-Data Processing Platform Apache Incubator project (since August 14) http://incubator.apache.org/projects/reef.htmlhttp://incubator.apache.org/projects/reef.html http://www.reef-project.org/http://www.reef-project.org/ TaintDroid Real-time Taint Tracking System Research Highlight in CACM (March `14) http://appanalysis.org/http://appanalysis.org/

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Thanks! http://cmslab.snu.ac.kr ??? student in AOS class