C++ (Cpp) rcu_trace_sub_qlen Examples

Example #1

File: rcutiny.c Project: kenkit/AndromadusMod-New

/*
 * Invoke the RCU callbacks on the specified rcu_ctrlkblk structure
 * whose grace period has elapsed.
 */
static void rcu_process_callbacks(struct rcu_ctrlblk *rcp)
{
	struct rcu_head *next, *list;
	unsigned long flags;
	RCU_TRACE(int cb_count = 0);

	/* If no RCU callbacks ready to invoke, just return. */
	if (&rcp->rcucblist == rcp->donetail)
		return;

	/* Move the ready-to-invoke callbacks to a local list. */
	local_irq_save(flags);
	list = rcp->rcucblist;
	rcp->rcucblist = *rcp->donetail;
	*rcp->donetail = NULL;
	if (rcp->curtail == rcp->donetail)
		rcp->curtail = &rcp->rcucblist;
	rcu_preempt_remove_callbacks(rcp);
	rcp->donetail = &rcp->rcucblist;
	local_irq_restore(flags);

	/* Invoke the callbacks on the local list. */
	while (list) {
		next = list->next;
		prefetch(next);
		debug_rcu_head_unqueue(list);
		local_bh_disable();
		__rcu_reclaim(list);
		local_bh_enable();
		list = next;
		RCU_TRACE(cb_count++);
	}
	RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count));
}

Example #2

File: BRANCHCOV_mutant100161_mytiny.c Project: agroce/cbmcmutate

/*
 * Invoke the RCU callbacks on the specified rcu_ctrlkblk structure
 * whose grace period has elapsed.
 */
static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
{
	const char *rn = NULL;
	struct rcu_head *next, *list;
	unsigned long flags;
	RCU_TRACE(int cb_count = 0);

	/* If no RCU callbacks ready to invoke, just return. */
	if (&rcp->rcucblist == rcp->donetail) {
		if (!__covered14) {__covered14 = 1; total_covered += 1;}
		RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, 0, -1));
		RCU_TRACE(trace_rcu_batch_end(rcp->name, 0,
!!ACCESS_ONCE(rcp->rcucblist),
need_resched(),
is_idle_task(current),
false));
		return;
	}

	/* Move the ready-to-invoke callbacks to a local list. */
	local_irq_save(flags);
	RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1));
	list = rcp->rcucblist;
	rcp->rcucblist = *rcp->donetail;
	*rcp->donetail = NULL;
	if (rcp->curtail == rcp->donetail) {
		if (!__covered15) {__covered15 = 1; total_covered += 1;}
		rcp->curtail = &rcp->rcucblist;
	}
	rcp->donetail = &rcp->rcucblist;
	local_irq_restore(flags);

	/* Invoke the callbacks on the local list. */
 mutant_covered = 1;
 /* MUTANT (del_stmt) */ /* 	RCU_TRACE(rn = rcp->name); */ 
	while (list) {
		if (!__covered16) {__covered16 = 1; total_covered += 1;}
		next = list->next;
		prefetch(next);
		debug_rcu_head_unqueue(list);
		local_bh_disable();
		__rcu_reclaim(rn, list);
		local_bh_enable();
		list = next;
		RCU_TRACE(cb_count++);
	}
	RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count));
	RCU_TRACE(trace_rcu_batch_end(rcp->name,
cb_count, 0, need_resched(),
is_idle_task(current),
false));
}

Example #3

File: tiny.c Project: adyjl/DORIMANX_LG_STOCK_LP_KERNEL

/*
 * Invoke the RCU callbacks on the specified rcu_ctrlkblk structure
 * whose grace period has elapsed.
 */
static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
{
	char *rn = NULL;
	struct rcu_head *next, *list;
	unsigned long flags;
	RCU_TRACE(int cb_count = 0);

	/* If no RCU callbacks ready to invoke, just return. */
	if (&rcp->rcucblist == rcp->donetail) {
		RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, 0, -1));
		RCU_TRACE(trace_rcu_batch_end(rcp->name, 0,
					      ACCESS_ONCE(rcp->rcucblist),
					      need_resched(),
					      is_idle_task(current),
					      rcu_is_callbacks_kthread()));
		return;
	}

	/* Move the ready-to-invoke callbacks to a local list. */
	local_irq_save(flags);
	if (rcp->donetail == &rcp->rcucblist) {
		/* No callbacks ready, so just leave. */
		local_irq_restore(flags);
		return;
	}
	RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1));
	list = rcp->rcucblist;
	rcp->rcucblist = *rcp->donetail;
	*rcp->donetail = NULL;
	if (rcp->curtail == rcp->donetail)
		rcp->curtail = &rcp->rcucblist;
	rcu_preempt_remove_callbacks(rcp);
	rcp->donetail = &rcp->rcucblist;
	local_irq_restore(flags);

	/* Invoke the callbacks on the local list. */
	RCU_TRACE(rn = rcp->name);
	while (list) {
		next = list->next;
		prefetch(next);
		debug_rcu_head_unqueue(list);
		local_bh_disable();
		__rcu_reclaim(rn, list);
		local_bh_enable();
		list = next;
		RCU_TRACE(cb_count++);
	}
	RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count));
	RCU_TRACE(trace_rcu_batch_end(rcp->name, cb_count, 0, need_resched(),
				      is_idle_task(current),
				      rcu_is_callbacks_kthread()));
}

Example #4

File: tiny.c Project: vishnupatekar/linux

/*
 * Invoke the RCU callbacks on the specified rcu_ctrlkblk structure
 * whose grace period has elapsed.
 */
static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
{
	const char *rn = NULL;
	struct rcu_head *next, *list;
	unsigned long flags;
	RCU_TRACE(int cb_count = 0);

	/* Move the ready-to-invoke callbacks to a local list. */
	local_irq_save(flags);
	RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1));
	list = rcp->rcucblist;
	rcp->rcucblist = *rcp->donetail;
	*rcp->donetail = NULL;
	if (rcp->curtail == rcp->donetail)
		rcp->curtail = &rcp->rcucblist;
	rcp->donetail = &rcp->rcucblist;
	local_irq_restore(flags);

	/* Invoke the callbacks on the local list. */
	RCU_TRACE(rn = rcp->name);
	while (list) {
		next = list->next;
		prefetch(next);
		debug_rcu_head_unqueue(list);
		local_bh_disable();
		__rcu_reclaim(rn, list);
		local_bh_enable();
		list = next;
		RCU_TRACE(cb_count++);
	}
	RCU_TRACE(rcu_trace_sub_qlen(rcp, cb_count));
	RCU_TRACE(trace_rcu_batch_end(rcp->name,
				      cb_count, 0, need_resched(),
				      is_idle_task(current),
				      false));
}