Investigate performance of SD storage, fix as needed
Investigate the performance of SD storage on Linux on ARM, including filesystem issues as well as SD device issues
Blueprint information
- Status:
- Complete
- Approver:
- Paul McKenney
- Priority:
- High
- Drafter:
- Per Förlin
- Direction:
- Needs approval
- Assignee:
- Per Förlin
- Definition:
- Obsolete
- Series goal:
- Accepted for 11.05
- Implementation:
-
Started
- Milestone target:
- None
- Started by
- Paul McKenney
- Completed by
- Deepak Saxena
Whiteboard
Work items (MMC framework improvements):
[per-forlin] Verify how "1. Write performance drop" (https:/
[per-forlin] Verify how "2. double buffer for DMA" (https:/
[per-forlin] Verify how "7. FS for eMMC" (https:/
Work items (Card performance):
[arnd-arndb] Read up on available SD cards: DONE
[arnd-arndb] List what SD cards are available for you to use: DONE
[arnd-arndb] Get performance tests from https:/
[arnd-arndb] Measure performance for different speed classes for cards with such as: Standard SD, HC SD , Ultra HC SD: DONE
[per-forlin] Sync up with https:/
[per-forlin] Use Ftrace or any other tool to profile the kernel for various cards: POSTPONE
Measure performance.
[arnd-arndb] If performance inadequate, take appropriate performance-
Work Items
Dependency tree
* Blueprints in grey have been implemented.
