函数逻辑报告 |
Source Code:kernel\rcu\rcu.h |
Create Date:2022-07-27 11:17:52 |
Last Modify:2022-05-19 07:39:19 | Copyright©Brick |
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函数名称:Return the current value the update side's sequence number, no ordering.
函数原型:static inline unsigned long rcu_seq_current(unsigned long *sp)
返回类型:unsigned long
参数:
类型 | 参数 | 名称 |
---|---|---|
unsigned long * | sp |
名称 | 描述 |
---|---|
srcu_gp_start | Start an SRCU grace period. |
srcu_gp_end | Note the end of an SRCU grace period. Initiates callback invocation* and starts a new grace period if needed.* The ->srcu_cb_mutex acquisition does not protect any data, but* instead prevents more than one grace period from starting while we |
srcu_might_be_idle | If SRCU is likely idle, return true, otherwise return false.* Note that it is OK for several current from-idle requests for a new* grace period from idle to specify expediting because they will all end* up requesting the same grace period anyhow |
__call_srcu | Enqueue an SRCU callback on the srcu_data structure associated with* the current CPU and the specified srcu_struct structure, initiating* grace-period processing if it is not already running |
srcu_invoke_callbacks | |
srcutorture_get_gp_data | |
srcu_torture_stats_print | |
rcu_gp_in_progress | Return true if an RCU grace period is in progress. The READ_ONCE()s* permit this function to be invoked without holding the root rcu_node* structure's ->lock, but of course results can be subject to change. |
rcutorture_get_gp_data | Send along grace-period-related data for rcutorture diagnostics. |
rcu_gpnum_ovf | We are reporting a quiescent state on behalf of some other CPU, so* it is our responsibility to check for and handle potential overflow* of the rcu_node ->gp_seq counter with respect to the rcu_data counters |
rcu_start_this_gp | _start_this_gp - Request the start of a particular grace period*@rnp_start: The leaf node of the CPU from which to start |
rcu_advance_cbs_nowake | Move and classify callbacks, but only if doing so won't require* that the RCU grace-period kthread be awakened. |
note_gp_changes | |
rcu_pending | |
rcu_check_gp_kthread_starvation | Complain about starvation of grace-period kthread. |
print_other_cpu_stall | |
print_cpu_stall |
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