nuttx/mm/kmm_heap/kmm_mallinfo.c
anjiahao c60dd72a2a Support memdump to realize incremental dump function
Add a new field to record the global on the basis of mm_backtrace.
When using alloc, the field is incremented by 1,
so that the memory usage can be dumped within the range
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2023-05-22 12:31:32 +08:00

67 lines
2.3 KiB
C

/****************************************************************************
* mm/kmm_heap/kmm_mallinfo.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <malloc.h>
#include <nuttx/mm/mm.h>
#ifdef CONFIG_MM_KERNEL_HEAP
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: kmm_mallinfo
*
* Description:
* kmm_mallinfo returns a copy of updated current heap information for the
* kernel heap
*
****************************************************************************/
struct mallinfo kmm_mallinfo(void)
{
struct mallinfo info;
mm_mallinfo(g_kmmheap, &info);
return info;
}
/****************************************************************************
* Name: kmm_mallinfo_task
*
* Description:
* kmm_mallinfo_task returns a copy of updated current heap information of
* task with specified pid for the user heap.
*
****************************************************************************/
struct mallinfo_task kmm_mallinfo_task(FAR const struct mm_memdump_s *dump)
{
return mm_mallinfo_task(g_kmmheap, dump);
}
#endif /* CONFIG_MM_KERNEL_HEAP */