Function report |
Source Code:kernel\rcu\tree_stall.h |
Create Date:2022-07-28 10:27:57 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:check_cpu_stall
Proto:static void check_cpu_stall(struct rcu_data *rdp)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct rcu_data * | rdp |
511 | gs1 = READ_ONCE(Grace-period sequence #. ) |
512 | smp_rmb() |
513 | js = READ_ONCE(Time at which to check ) |
514 | smp_rmb() |
515 | gps = READ_ONCE(Time at which GP started, ) |
516 | smp_rmb() |
517 | gs2 = READ_ONCE(Grace-period sequence #. ) |
518 | If gs1 != gs2 || ULONG_CMP_LT(j, js) || ULONG_CMP_GE(gps, js) Then Return |
523 | jn = jiffies + 3 * Limit-check stall timeouts specified at boottime and runtime. + 3 |
529 | print_cpu_stall() |
538 | print_other_cpu_stall(gs2) |
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