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mempool:Calibration total memory statistics

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
This commit is contained in:
anjiahao 2023-01-10 18:10:28 +08:00 committed by Alin Jerpelea
parent d846004533
commit b362f18d6a
5 changed files with 35 additions and 11 deletions
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11
include/nuttx/mm/mempool.h
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@ -75,6 +75,9 @@ struct mempool_s
size_t expandsize; /* The size of expand block every time for mempool */ size_t expandsize; /* The size of expand block every time for mempool */
bool wait; /* The flag of need to wait when mempool is empty */ bool wait; /* The flag of need to wait when mempool is empty */
FAR void *priv; /* This pointer is used to store the user's private data */ FAR void *priv; /* This pointer is used to store the user's private data */
bool calibrate; /* The flag is use expend memory calibration
* real memory usage
*/
mempool_alloc_t alloc; /* The alloc function for mempool */ mempool_alloc_t alloc; /* The alloc function for mempool */
mempool_free_t free; /* The free function for mempool */ mempool_free_t free; /* The free function for mempool */
@ -91,6 +94,8 @@ struct mempool_s
#endif #endif
spinlock_t lock; /* The protect lock to mempool */ spinlock_t lock; /* The protect lock to mempool */
sem_t waitsem; /* The semaphore of waiter get free block */ sem_t waitsem; /* The semaphore of waiter get free block */
size_t nexpend; /* The number of expend memory for mempool */
size_t totalsize; /* Total size of the expend for mempoll */
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_FS_PROCFS_EXCLUDE_MEMPOOL) #if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_FS_PROCFS_EXCLUDE_MEMPOOL)
struct mempool_procfs_entry_s procfs; /* The entry of procfs */ struct mempool_procfs_entry_s procfs; /* The entry of procfs */
#endif #endif
@ -288,8 +293,8 @@ void mempool_procfs_unregister(FAR struct mempool_procfs_entry_s *entry);
* free - The free memory function for multiples pool. * free - The free memory function for multiples pool.
* arg - The alloc & free memory fuctions used arg. * arg - The alloc & free memory fuctions used arg.
* expandsize - The expend mempry for all pools in multiples pool. * expandsize - The expend mempry for all pools in multiples pool.
* dict_expendsize - The expend number for multiple dictnoary * dict_expendsize - The expend size for multiple dictnoary.
* * calibrate - Whether to calibrate when counting memory usage.
* Returned Value: * Returned Value:
* Return an initialized multiple pool pointer on success, * Return an initialized multiple pool pointer on success,
* otherwise NULL is returned. * otherwise NULL is returned.
@ -304,7 +309,7 @@ mempool_multiple_init(FAR const char *name,
mempool_multiple_alloc_t alloc, mempool_multiple_alloc_t alloc,
mempool_multiple_free_t free, mempool_multiple_free_t free,
FAR void *arg, size_t expandsize, FAR void *arg, size_t expandsize,
size_t dict_expendsize); size_t dict_expendsize, bool calibrate);
/**************************************************************************** /****************************************************************************
* Name: mempool_multiple_alloc * Name: mempool_multiple_alloc

15
mm/mempool/mempool.c
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@ -154,6 +154,8 @@ int mempool_init(FAR struct mempool_s *pool, FAR const char *name)
sq_init(&pool->queue); sq_init(&pool->queue);
sq_init(&pool->iqueue); sq_init(&pool->iqueue);
sq_init(&pool->equeue); sq_init(&pool->equeue);
pool->nexpend = 0;
pool->totalsize = 0;
#if CONFIG_MM_BACKTRACE >= 0 #if CONFIG_MM_BACKTRACE >= 0
list_initialize(&pool->alist); list_initialize(&pool->alist);
@ -173,6 +175,8 @@ int mempool_init(FAR struct mempool_s *pool, FAR const char *name)
return -ENOMEM; return -ENOMEM;
} }
pool->nexpend++;
pool->totalsize += size;
mempool_add_queue(&pool->iqueue, pool->ibase, ninterrupt, blocksize); mempool_add_queue(&pool->iqueue, pool->ibase, ninterrupt, blocksize);
kasan_poison(pool->ibase, size); kasan_poison(pool->ibase, size);
} }
@ -194,6 +198,8 @@ int mempool_init(FAR struct mempool_s *pool, FAR const char *name)
return -ENOMEM; return -ENOMEM;
} }
pool->nexpend++;
pool->totalsize += size;
mempool_add_queue(&pool->queue, base, ninitial, blocksize); mempool_add_queue(&pool->queue, base, ninitial, blocksize);
sq_addlast((FAR sq_entry_t *)(base + ninitial * blocksize), sq_addlast((FAR sq_entry_t *)(base + ninitial * blocksize),
&pool->equeue); &pool->equeue);
@ -273,6 +279,8 @@ retry:
return NULL; return NULL;
} }
pool->nexpend++;
pool->totalsize += size;
kasan_poison(base, size); kasan_poison(base, size);
flags = spin_lock_irqsave(&pool->lock); flags = spin_lock_irqsave(&pool->lock);
mempool_add_queue(&pool->queue, base, nexpand, blocksize); mempool_add_queue(&pool->queue, base, nexpand, blocksize);
@ -425,6 +433,11 @@ int mempool_info_task(FAR struct mempool_s *pool,
info->aordblks += count; info->aordblks += count;
info->uordblks += count * pool->blocksize; info->uordblks += count * pool->blocksize;
if (pool->calibrate)
{
info->aordblks -= pool->nexpend;
info->uordblks -= pool->totalsize;
}
} }
else if (info->pid == -1) else if (info->pid == -1)
{ {
@ -436,6 +449,8 @@ int mempool_info_task(FAR struct mempool_s *pool,
info->aordblks += count; info->aordblks += count;
info->uordblks += count * pool->blocksize; info->uordblks += count * pool->blocksize;
info->aordblks -= pool->nexpend;
info->uordblks -= pool->totalsize;
} }
#if CONFIG_MM_BACKTRACE >= 0 #if CONFIG_MM_BACKTRACE >= 0
else else

6
mm/mempool/mempool_multiple.c
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@ -253,7 +253,8 @@ mempool_multiple_get_dict(FAR struct mempool_multiple_s *mpool,
* free - The free memory function for multiples pool. * free - The free memory function for multiples pool.
* arg - The alloc & free memory fuctions used arg. * arg - The alloc & free memory fuctions used arg.
* expandsize - The expend mempry for all pools in multiples pool. * expandsize - The expend mempry for all pools in multiples pool.
* dict_expendsize - The expend size for multiple dictnoary * dict_expendsize - The expend size for multiple dictnoary.
* calibrate - Whether to calibrate when counting memory usage.
* Returned Value: * Returned Value:
* Return an initialized multiple pool pointer on success, * Return an initialized multiple pool pointer on success,
* otherwise NULL is returned. * otherwise NULL is returned.
@ -266,7 +267,7 @@ mempool_multiple_init(FAR const char *name,
mempool_multiple_alloc_t alloc, mempool_multiple_alloc_t alloc,
mempool_multiple_free_t free, mempool_multiple_free_t free,
FAR void *arg, size_t expandsize, FAR void *arg, size_t expandsize,
size_t dict_expendsize) size_t dict_expendsize, bool calibrate)
{ {
FAR struct mempool_multiple_s *mpool; FAR struct mempool_multiple_s *mpool;
FAR struct mempool_s *pools; FAR struct mempool_s *pools;
@ -325,6 +326,7 @@ mempool_multiple_init(FAR const char *name,
pools[i].priv = mpool; pools[i].priv = mpool;
pools[i].alloc = mempool_multiple_alloc_callback; pools[i].alloc = mempool_multiple_alloc_callback;
pools[i].free = mempool_multiple_free_callback; pools[i].free = mempool_multiple_free_callback;
pools[i].calibrate = calibrate;
ret = mempool_init(pools + i, name); ret = mempool_init(pools + i, name);
if (ret < 0) if (ret < 0)

3
mm/mm_heap/mm_initialize.c
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@ -259,7 +259,8 @@ FAR struct mm_heap_s *mm_initialize(FAR const char *name,
(mempool_multiple_alloc_t)mm_memalign, (mempool_multiple_alloc_t)mm_memalign,
(mempool_multiple_free_t)mm_free, heap, (mempool_multiple_free_t)mm_free, heap,
CONFIG_MM_HEAP_MEMPOOL_EXPAND, CONFIG_MM_HEAP_MEMPOOL_EXPAND,
CONFIG_MM_HEAP_MEMPOOL_DICTIONARY_EXPAND); CONFIG_MM_HEAP_MEMPOOL_DICTIONARY_EXPAND,
true);
#endif #endif
return heap; return heap;

3
mm/tlsf/mm_tlsf.c
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@ -804,7 +804,8 @@ FAR struct mm_heap_s *mm_initialize(FAR const char *name,
(mempool_multiple_alloc_t)mm_memalign, (mempool_multiple_alloc_t)mm_memalign,
(mempool_multiple_free_t)mm_free, heap, (mempool_multiple_free_t)mm_free, heap,
CONFIG_MM_HEAP_MEMPOOL_EXPAND, CONFIG_MM_HEAP_MEMPOOL_EXPAND,
CONFIG_MM_HEAP_MEMPOOL_DICTIONARY_EXPAND); CONFIG_MM_HEAP_MEMPOOL_DICTIONARY_EXPAND,
true);
#endif #endif
return heap; return heap;