Function report |
Source Code:kernel\sched\core.c |
Create Date:2022-07-28 09:37:00 |
| Last Modify:2022-05-22 13:40:38 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:This task is about to go to sleep on IO. Increment rq->nr_iowait so* that process accounting knows that this is a task in IO wait state.
Proto:long __sched io_schedule_timeout(long timeout)
Type:long
Parameter:
| Type | Parameter | Name |
|---|---|---|
| long | timeout |
| 5791 | token = io_schedule_prepare() |
| 5792 | ret = schedule_timeout - sleep until timeout*@timeout: timeout value in jiffies* Make the current task sleep until @timeout jiffies have* elapsed |
| 5793 | io_schedule_finish(token) |
| 5795 | Return ret |
| Name | Describe |
|---|---|
| bit_wait_io_timeout | |
| balance_dirty_pages | alance_dirty_pages() must be called by processes which are generating dirty* data |
| congestion_wait | gestion_wait - wait for a backing_dev to become uncongested*@sync: SYNC or ASYNC IO*@timeout: timeout in jiffies* Waits for up to @timeout jiffies for a backing_dev (any backing_dev) to exit* write congestion |
| wait_iff_congested | wait_iff_congested - Conditionally wait for a backing_dev to become uncongested or a pgdat to complete writes*@sync: SYNC or ASYNC IO*@timeout: timeout in jiffies* In the event of a congested backing_dev (any backing_dev) this waits* for up to @timeout |
| 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 |