nuttx/mm/kmm_heap/kmm_mallinfo.c
Jiuzhu Dong 7ae3c572dc procfs: add heap info for every task
cat /proc/2/heap
AllocSize:  512
AllocBlks:  10

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-02-26 14:32:42 +08:00

73 lines
2.4 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.
*
****************************************************************************/
#ifdef CONFIG_DEBUG_MM
struct mallinfo_task kmm_mallinfo_task(pid_t pid)
{
struct mallinfo_task info;
info.pid = pid;
mm_mallinfo_task(g_kmmheap, &info);
return info;
}
#endif
#endif /* CONFIG_MM_KERNEL_HEAP */