Function report |
Source Code:block\blk-iocost.c |
Create Date:2022-07-28 17:46:48 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Scale @abs_cost to the inverse of @hw_inuse. The lower the hierarchical* weight, the more expensive each IO. Must round up.
Proto:static u64 abs_cost_to_cost(u64 abs_cost, unsigned int hw_inuse)
Type:u64
Parameter:
Type | Parameter | Name |
---|---|---|
u64 | abs_cost | |
unsigned int | hw_inuse |
661 | Return DIV64_U64_ROUND_UP(abs_cost * HWEIGHT_WHOLE, hw_inuse) |
Name | Describe |
---|---|
iocg_wake_fn | |
iocg_kick_waitq | |
iocg_kick_delay | |
ioc_rqos_throttle | |
ioc_rqos_merge |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |