Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-28 11:56:10 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

memdump: add biggest allocated node dump

Browse Source 
Signed-off-by: buxiasen <buxiasen@xiaomi.com>
This commit is contained in:
buxiasen
2024-07-25 23:48:53 +08:00
committed by GUIDINGLI
parent fd6634ecb5
commit fd9a9f67cc
5 changed files with 206 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mm/tlsf/mm_tlsf.c
+89
View File
@@ -131,10 +131,25 @@ struct mm_mallinfo_handler_s
FAR struct mallinfo_task *info;
};
#if CONFIG_MM_HEAP_BIGGEST_COUNT > 0
struct mm_tlsf_node_s
{
FAR void *ptr;
size_t size;
};
struct mm_memdump_priv_s
{
FAR const struct mm_memdump_s *dump;
struct mm_tlsf_node_s node[CONFIG_MM_HEAP_BIGGEST_COUNT];
size_t filled;
};
#else
struct mm_memdump_priv_s
{
FAR const struct mm_memdump_s *dump;
};
#endif
/****************************************************************************
* Private Function Prototypes
@@ -168,6 +183,54 @@ static void memdump_allocnode(FAR void *ptr, size_t size)
#endif
}
#if CONFIG_MM_HEAP_BIGGEST_COUNT > 0
static int memdump_record_comare(FAR const void *a, FAR const void *b)
{
FAR struct mm_tlsf_node_s *node_a = (FAR struct mm_tlsf_node_s *)a;
FAR struct mm_tlsf_node_s *node_b = (FAR struct mm_tlsf_node_s *)b;
size_t size_a = node_a->size;
size_t size_b = node_b->size;
return size_a > size_b ? 1 : -1;
}
static void memdump_record_biggest(FAR struct mm_memdump_priv_s *priv,
FAR void *ptr, size_t size)
{
if (priv->filled < CONFIG_MM_HEAP_BIGGEST_COUNT)
{
priv->node[priv->filled].ptr = ptr;
priv->node[priv->filled].size = size;
priv->filled++;
}
else
{
if (size <= priv->node[0].size)
{
return;
}
priv->node[0].ptr = ptr;
priv->node[0].size = size;
}
if (priv->filled > 1)
{
qsort(priv->node, priv->filled, sizeof(struct mm_tlsf_node_s),
memdump_record_comare);
}
}
static void memdump_dump_biggestnodes(FAR struct mm_memdump_priv_s *priv)
{
size_t i;
for (i = 0; i < priv->filled; i++)
{
memdump_allocnode(priv->node[i].ptr, priv->node[i].size);
}
}
#endif
#if CONFIG_MM_BACKTRACE >= 0
/****************************************************************************
@@ -472,6 +535,12 @@ static void memdump_handler(FAR void *ptr, size_t size, int used,
{
memdump_allocnode(ptr, size);
}
#if CONFIG_MM_HEAP_BIGGEST_COUNT > 0
else if(dump->pid == PID_MM_BIGGEST && MM_DUMP_SEQNO(dump, buf))
{
memdump_record_biggest(priv, ptr, size);
}
#endif
#undef buf
}
else if (dump->pid == PID_MM_FREE)
@@ -1083,6 +1152,20 @@ void mm_memdump(FAR struct mm_heap_s *heap,
syslog(LOG_INFO, "%12s%*s\n", "Size", BACKTRACE_PTR_FMT_WIDTH,
"Address");
}
#if CONFIG_MM_HEAP_BIGGEST_COUNT > 0
else if (dump->pid == PID_MM_BIGGEST)
{
syslog(LOG_INFO, "Memdump biggest allocated top %d\n",
CONFIG_MM_HEAP_BIGGEST_COUNT);
# if CONFIG_MM_BACKTRACE < 0
syslog(LOG_INFO, "%12s%*s\n", "Size", BACKTRACE_PTR_FMT_WIDTH,
"Address");
# else
syslog(LOG_INFO, "%6s%12s%12s%*s %s\n", "PID", "Size", "Sequence",
BACKTRACE_PTR_FMT_WIDTH, "Address", "Backtrace");
# endif
}
#endif
#ifdef CONFIG_MM_HEAP_MEMPOOL
mempool_multiple_memdump(heap->mm_mpool, dump);
@@ -1107,6 +1190,12 @@ void mm_memdump(FAR struct mm_heap_s *heap,
syslog(LOG_INFO, "%12s%12s\n", "Total Blks", "Total Size");
syslog(LOG_INFO, "%12d%12d\n", info.aordblks, info.uordblks);
}
#if CONFIG_MM_HEAP_BIGGEST_COUNT > 0
else if (dump->pid == PID_MM_BIGGEST)
{
memdump_dump_biggestnodes(&priv);
}
#endif
}
/****************************************************************************