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mm: Dump all memory blocks on allocation failure

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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai 2023-05-17 18:05:02 +08:00 committed by Xiang Xiao
parent 484d349fe3
commit aad2f97587
2 changed files with 14 additions and 1 deletions
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5
mm/Kconfig
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@ -298,6 +298,11 @@ config MM_DUMP_ON_FAILURE
default n
depends on DEBUG_MM
config MM_DUMP_DETAILS_ON_FAILURE
bool "Dump all used memory blocks on allocation failure"
default n
depends on MM_DUMP_ON_FAILURE
config MM_PANIC_ON_FAILURE
bool "Panic on allocation failure"
default n

10
mm/mm_heap/mm_malloc.c
View File

@ -273,6 +273,12 @@ FAR void *mm_malloc(FAR struct mm_heap_s *heap, size_t size)
{
#ifdef CONFIG_MM_DUMP_ON_FAILURE
struct mallinfo minfo;
# ifdef CONFIG_MM_DUMP_DETAILS_ON_FAILURE
struct mm_memdump_s dump =
{
MM_BACKTRACE_ALLOC_PID, 0, ULONG_MAX
};
# endif
#endif
mwarn("WARNING: Allocation failed, size %zu\n", alignsize);
@ -291,7 +297,9 @@ FAR void *mm_malloc(FAR struct mm_heap_s *heap, size_t size)
mempool_multiple_foreach(heap->mm_mpool,
mm_mempool_dump_handle, NULL);
# endif
# ifdef CONFIG_MM_DUMP_DETAILS_ON_FAILURE
mm_memdump(heap, &dump);
# endif
#endif
#ifdef CONFIG_MM_PANIC_ON_FAILURE
PANIC();