CELF Japan Technical Jamboree 40
#celfjp "File system: YAFFS2 not yet mainlined. Google moving to Ext4 for future Android devices"
2012-03-23 10:25:07#celfjp "ARM big.LITTLE approach -- Asymetric MP Cortex A7 and Cortex A15"
2012-03-23 10:27:30カメラのフラッシュライト使用時のようなピークの電力使用管理、熱管理、未使用メモリの電力オフ、マルチコアのパワーセーブ。ARMのbig.LITTLEアプローチ。#celfjp
2012-03-23 10:28:05#celfjp ARM big.LITTLE approach • Cortex A7 and Coretex A15 (Asymetric MP) • Scheduler and load balancer – lots of issues やっぱりそう簡単にはいかないのかな
2012-03-23 10:28:56#celfjp "System Size: Linux-yocto-tiny. see ELEC2011. uClinux still mainlined. 68K"
2012-03-23 10:31:10#celfjp "Android Mainline Project: Good meeting at Linaro Connect in February. 3.3 kernel(with 12 lines patch) boots AOSP"
2012-03-23 10:32:45#celfjp Android Mainline Project • 3.3 kernel (with 12 lines of patches) boots AOSP これってpandaboardかな?
2012-03-23 10:32:50#celfjp Android Mainline Status • Out, not in-progress Network security (hard) Yaffs2, pmem (obsoleted?) YAFFS2が目インライン化されないのはモチベーションのせい?
2012-03-23 10:36:12Staging。Binder、logger、timed-gpio、ashmem、Low-memory-killer、ram-console。 作業中はAlarmTimer、Wakelock、IonMemoryManager #celfjp
2012-03-23 10:36:34#celfjp Android Mainline化 Alarm, Wakelocks Ion memory managerはまだ入っていない。進行中。Network securityは入っていない。難しい。
2012-03-23 10:38:56