函数逻辑报告 |
Source Code:block\bfq-iosched.c |
Create Date:2022-07-27 19:30:23 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| 首页 | 函数Tree |
| 注解内核,赢得工具 | 下载SCCT | English |
函数名称：bfq_bfqq_budget_left
函数原型：static int bfq_bfqq_budget_left(struct bfq_queue *bfqq)
返回类型：int
参数：
| 类型 | 参数 | 名称 |
|---|---|---|
| struct bfq_queue * | bfqq |
| 1313 | 返回: budget, used also to calculate F_i: F_i = S_i + @budget / @weight 减 amount of service received during the last service slot |
| 名称 | 描述 |
|---|---|
| bfq_bfqq_update_budg_for_activation | The next function, invoked after the input queue bfqq switches from* idle to busy, updates the budget of bfqq. The function also tells* whether the in-service queue should be expired, by returning* true |
| __bfq_bfqq_recalc_budget | __bfq_bfqq_recalc_budget - try to adapt the budget to the @bfqq behavior.*@bfqd: device data.*@bfqq: queue to update.*@reason: reason for expiration.* Handle the feedback on @bfqq budget at queue expiration.* See the body for detailed comments. |
| bfq_bfqq_expire | q_bfqq_expire - expire a queue.*@bfqd: device owning the queue.*@bfqq: the queue to expire.*@compensate: if true, compensate for the time spent idling.*@reason: the reason causing the expiration.* If the process associated with bfqq does slow I/O (e |
| bfq_may_expire_for_budg_timeout | If we expire a queue that is actively waiting (i.e., with the* device idled) for the arrival of a new request, then we may incur* the timestamp misalignment problem described in the body of the* function __bfq_activate_entity |
| bfq_choose_bfqq_for_injection | This function chooses the queue from which to pick the next extra* I/O request to inject, if it finds a compatible queue |
| bfq_select_queue | Select a queue for service. If we have a current queue in service,* check whether to continue servicing it, or retrieve and set a new one. |
| 源代码转换工具 开放的插件接口 | X |
|---|---|
| 支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告 代码生成和批量转换代码 |