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kernel: add _timeout_q dump before and after adding timeout

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Kernel debugging aid.

Change-Id: I852ba2f626f133d943be2ecac41354fecca478d6
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit is contained in:
Benjamin Walsh 2016-12-28 16:18:48 -05:00 committed by Andrew Boie
parent 99eef25815
commit 66b99f1486
1 changed files with 40 additions and 1 deletions
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41
kernel/include/timeout_q.h
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@ -151,6 +151,36 @@ static inline int _abort_thread_timeout(struct k_thread *thread)
return _abort_timeout(&thread->base.timeout);
}
static inline void _dump_timeout(struct _timeout *timeout, int extra_tab)
{
#ifdef CONFIG_KERNEL_DEBUG
char *tab = extra_tab ? "\t" : "";
K_DEBUG("%stimeout %p, prev: %p, next: %p\n"
"%s\tthread: %p, wait_q: %p\n"
"%s\tticks remaining: %d\n"
"%s\tfunction: %p\n",
tab, timeout, timeout->node.prev, timeout->node.next,
tab, timeout->thread, timeout->wait_q,
tab, timeout->delta_ticks_from_prev,
tab, timeout->func);
#endif
}
static inline void _dump_timeout_q(void)
{
#ifdef CONFIG_KERNEL_DEBUG
sys_dnode_t *node;
K_DEBUG("_timeout_q: %p, head: %p, tail: %p\n",
&_timeout_q, _timeout_q.head, _timeout_q.tail);
SYS_DLIST_FOR_EACH_NODE(&_timeout_q, node) {
_dump_timeout((struct _timeout *)node, 1);
}
#endif
}
/*
* Add timeout to timeout queue. Record waiting thread and wait queue if any.
*
@ -170,6 +200,10 @@ static inline void _add_timeout(struct k_thread *thread,
timeout->thread = thread;
timeout->wait_q = (sys_dlist_t *)wait_q;
K_DEBUG("before adding timeout %p\n", timeout);
_dump_timeout(timeout, 0);
_dump_timeout_q();
int32_t *delta = &timeout->delta_ticks_from_prev;
sys_dnode_t *node;
@ -180,13 +214,18 @@ static inline void _add_timeout(struct k_thread *thread,
in_q->delta_ticks_from_prev -= *delta;
sys_dlist_insert_before(&_timeout_q, node,
&timeout->node);
return;
goto inserted;
}
*delta -= in_q->delta_ticks_from_prev;
}
sys_dlist_append(&_timeout_q, &timeout->node);
inserted:
K_DEBUG("after adding timeout %p\n", timeout);
_dump_timeout(timeout, 0);
_dump_timeout_q();
}
/*