Function report |
Source Code:block\blk-iocost.c |
Create Date:2022-07-28 17:48:58 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:ioc_rqos_done
Proto:static void ioc_rqos_done(struct rq_qos *rqos, struct request *rq)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct rq_qos * | rqos | |
struct request * | rq |
1847 | ioc = accessors and helpers |
1851 | If Not enabled || Not alloc_time_ns || Not Time that this request was allocated for this IO. Then Return |
1855 | Case & == REQ_OP_READ |
1859 | Case & == REQ_OP_WRITE |
1863 | Default |
1864 | Return |
1867 | on_q_ns = ktime_get_ns() - alloc_time_ns |
1870 | If on_q_ns <= qos[pidx] * NSEC_PER_USEC Then this_cpu_inc(nr_met) |
1872 | Else this_cpu_inc(nr_missed) |
1875 | this_cpu_add(rq_wait_ns, rq_wait_ns) |
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