US 12,493,433 B2
Storage device, storage controller, and operating method of storage controller
Sangwon Jung, Suwon-si (KR); Insoo Kim, Suwon-si (KR); and Choongki Cho, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Dec. 21, 2023, as Appl. No. 18/392,471.
Claims priority of application No. 10-2022-0182180 (KR), filed on Dec. 22, 2022.
Prior Publication US 2024/0211176 A1, Jun. 27, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/0613 (2013.01); G06F 3/0688 (2013.01)] 17 Claims
OG exemplary drawing
 
7. An operating method of a storage controller, comprising:
generating monitoring information about a queue depth (QD) for at least one of a write command and a read command, wherein the monitoring information includes at least one of: (i) a first average QD and a first QD deviation corresponding to the write command, and (ii) a second average QD and a second QD deviation corresponding to the read command;
generating command-by-command surge information based on the monitoring information;
generating priority determination information indicating any one of the write command, the read command, and a default according to the command-by-command surge information; and
generating final priority information for variably setting each of a priority of the write command and a priority of the read command according to the priority determination information.