blktrace, blkparse
blkparse를 돌리니 다음과 같은 결과가 나왔는데 어떻게 해석해야할까
1. Each field explanation :
Writes queued: The number of write requests that have been queued for processing by the block layer.
Write dispatches: The number of write requests that have been sent to the device driver for processing.
Writes requeued: The number of write requests that have been requeued for processing due to errors or other issues.
Writes completed: The number of write requests that have been completed and acknowledged by the device driver.
Write merges: The number of times that two or more write requests have been merged into a single request by the block layer.
Write depth: The number of write requests that are currently in the block layer's request queue.
2. Writes Completed에서 2개의 값들은 뭐를 의미하나
첫번째는 완료된 쓰기 요청의 개수, 두번째는 쓰여진 데이터의 총량