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procfs: add memdump interface to dump used/free memory info

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usage:echo <used/free> > /proc/memdump
echo used > /proc/memdump // output all used memory node info(address + size)
echo free > /proc/memdump // output all free memory node info(address + size)

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong
2022-01-06 20:44:17 +08:00
committed by Xiang Xiao
parent 39eaeefb78
commit c5ba9261bc
7 changed files with 249 additions and 16 deletions
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include/nuttx/mm/mm.h
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@@ -296,6 +296,7 @@ void kmm_extend(FAR void *mem, size_t size, int region);
struct mallinfo; /* Forward reference */
int mm_mallinfo(FAR struct mm_heap_s *heap, FAR struct mallinfo *info);
void mm_memdump(FAR struct mm_heap_s *heap, pid_t pid);
/* Functions contained in kmm_mallinfo.c ************************************/