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https://github.com/nyanmisaka/mpp.git
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d101052f9b
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@1131 6e48237b-75ef-9749-8fc9-41990f28c85a
301 lines
8.3 KiB
C++
301 lines
8.3 KiB
C++
/*
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* Copyright 2015 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define MODULE_TAG "mpp_mem"
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#include <string.h>
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#include "rk_type.h"
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#include "mpp_err.h"
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#include "mpp_log.h"
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#include "mpp_env.h"
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#include "mpp_mem.h"
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#include "mpp_list.h"
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#include "mpp_common.h"
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#include "os_mem.h"
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// mpp_mem_flag bit mask
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#define OSAL_MEM_LIST_EN (0x00000001)
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#define OSAL_MEM_RUNTIME_LOG (0x00000002)
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// default memory align size is set to 32
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#define RK_OSAL_MEM_ALIGN 32
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static RK_U32 mpp_mem_flag = 0;
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static RK_U64 osal_mem_index = 0;
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static struct list_head mem_list;
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static pthread_mutex_t mem_list_lock;
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struct mem_node {
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struct list_head list;
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void *ptr;
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size_t size;
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RK_U64 index;
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/* memory node extra information */
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char tag[MPP_TAG_SIZE];
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};
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static void get_osal_mem_flag()
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{
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static RK_U32 once = 1;
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if (once) {
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mpp_env_get_u32("mpp_mem_flag", &mpp_mem_flag, 0);
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INIT_LIST_HEAD(&mem_list);
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pthread_mutexattr_t attr;
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pthread_mutexattr_init(&attr);
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&mem_list_lock, &attr);
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pthread_mutexattr_destroy(&attr);
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once = 0;
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}
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}
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void *mpp_osal_malloc(const char *tag, size_t size)
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{
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void *ptr;
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get_osal_mem_flag();
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os_malloc(&ptr, RK_OSAL_MEM_ALIGN, size);
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if (mpp_mem_flag & OSAL_MEM_RUNTIME_LOG)
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mpp_log("mpp_malloc tag %-16s size %-8u ret %p\n", tag, size, ptr);
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if ((mpp_mem_flag & OSAL_MEM_LIST_EN) && ptr) {
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struct mem_node *node = (struct mem_node *)malloc(sizeof(struct mem_node));
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mpp_assert(node);
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INIT_LIST_HEAD(&node->list);
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node->ptr = ptr;
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node->size = size;
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snprintf(node->tag, sizeof(node->tag), "%s", tag);
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pthread_mutex_lock(&mem_list_lock);
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node->index = osal_mem_index++;
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list_add_tail(&node->list, &mem_list);
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pthread_mutex_unlock(&mem_list_lock);
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}
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return ptr;
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}
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void *mpp_osal_calloc(const char *tag, size_t size)
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{
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void *ptr = mpp_osal_malloc(tag, size);
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if (ptr)
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memset(ptr, 0, size);
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return ptr;
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}
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void *mpp_osal_realloc(const char *tag, void *ptr, size_t size)
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{
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void *ret;
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if (NULL == ptr)
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return mpp_osal_malloc(tag, size);
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if (0 == size)
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return NULL;
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get_osal_mem_flag();
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if (mpp_mem_flag & OSAL_MEM_LIST_EN) {
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struct mem_node *pos, *n;
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ret = NULL;
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pthread_mutex_lock(&mem_list_lock);
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list_for_each_entry_safe(pos, n, &mem_list, struct mem_node, list) {
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if (ptr == pos->ptr) {
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if (MPP_OK == os_realloc(ptr, &pos->ptr, RK_OSAL_MEM_ALIGN, size)) {
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pos->size = size;
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strncpy(pos->tag, tag, sizeof(pos->tag));
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ret = pos->ptr;
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} else {
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list_del_init(&pos->list);
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free(pos);
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}
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break;
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}
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}
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pthread_mutex_unlock(&mem_list_lock);
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} else {
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os_realloc(ptr, &ret, RK_OSAL_MEM_ALIGN, size);
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}
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if (mpp_mem_flag & OSAL_MEM_RUNTIME_LOG)
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mpp_log("mpp_realloc tag %-16s size %-8u ptr %p ret %p\n", tag, size, ptr, ret);
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if (NULL == ret)
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mpp_err("mpp_realloc ptr %p to size %d failed\n", ptr, size);
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return ret;
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}
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void mpp_osal_free(void *ptr)
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{
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if (NULL == ptr)
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return;
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get_osal_mem_flag();
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if (mpp_mem_flag & OSAL_MEM_LIST_EN) {
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struct mem_node *pos, *n;
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RK_U32 found_match = 0;
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pthread_mutex_lock(&mem_list_lock);
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list_for_each_entry_safe(pos, n, &mem_list, struct mem_node, list) {
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if (ptr == pos->ptr) {
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list_del_init(&pos->list);
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free(pos);
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found_match = 1;
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break;
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}
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}
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pthread_mutex_unlock(&mem_list_lock);
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if (!found_match)
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mpp_err_f("can not found match on free %p\n", ptr);
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}
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if (mpp_mem_flag & OSAL_MEM_RUNTIME_LOG)
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mpp_log("mpp_free %p\n", ptr);
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os_free(ptr);
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}
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/*
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* dump memory status
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* this function need MODULE_TAG statistic information
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*/
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void mpp_show_mem_status()
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{
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struct mem_node *pos, *n;
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pthread_mutex_lock(&mem_list_lock);
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list_for_each_entry_safe(pos, n, &mem_list, struct mem_node, list) {
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mpp_log("unfree memory %p size %d tag %s index %llu",
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pos->ptr, pos->size, pos->tag, pos->index);
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}
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pthread_mutex_unlock(&mem_list_lock);
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}
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typedef struct MppMemSnapshotImpl {
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struct list_head list;
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RK_U64 total_size;
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RK_U32 total_count;
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} MppMemSnapshotImpl;
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MPP_RET mpp_mem_get_snapshot(MppMemSnapshot *hnd)
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{
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struct mem_node *pos, *n;
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MppMemSnapshotImpl *p = (MppMemSnapshotImpl *)malloc(sizeof(MppMemSnapshotImpl));
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if (!p) {
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mpp_err_f("failed to alloc");
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*hnd = NULL;
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return MPP_NOK;
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}
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INIT_LIST_HEAD(&p->list);
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p->total_size = 0;
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p->total_count = 0;
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pthread_mutex_lock(&mem_list_lock);
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list_for_each_entry_safe(pos, n, &mem_list, struct mem_node, list) {
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struct mem_node *node = (struct mem_node *)malloc(sizeof(struct mem_node));
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mpp_assert(node);
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memcpy(node, pos, sizeof(*pos));
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INIT_LIST_HEAD(&node->list);
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list_add_tail(&node->list, &p->list);
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p->total_size += pos->size;
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p->total_count++;
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}
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*hnd = p;
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pthread_mutex_unlock(&mem_list_lock);
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return MPP_OK;
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}
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MPP_RET mpp_mem_put_snapshot(MppMemSnapshot *hnd)
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{
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if (hnd && *hnd) {
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MppMemSnapshotImpl *p = (MppMemSnapshotImpl *)*hnd;
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struct mem_node *pos, *n;
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pthread_mutex_lock(&mem_list_lock);
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list_for_each_entry_safe(pos, n, &p->list, struct mem_node, list) {
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list_del_init(&pos->list);
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free(pos);
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}
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free(p);
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*hnd = NULL;
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pthread_mutex_unlock(&mem_list_lock);
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}
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return MPP_OK;
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}
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MPP_RET mpp_mem_squash_snapshot(MppMemSnapshot hnd0, MppMemSnapshot hnd1)
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{
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if (!hnd0 || !hnd1) {
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mpp_err_f("invalid input %p %p\n", hnd0, hnd1);
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return MPP_NOK;
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}
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MppMemSnapshotImpl *p0 = (MppMemSnapshotImpl *)hnd0;
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MppMemSnapshotImpl *p1 = (MppMemSnapshotImpl *)hnd1;
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struct mem_node *pos0, *n0;
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struct mem_node *pos1, *n1;
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mpp_log_f("snapshot0 total count %6d size %d\n", p0->total_count, p0->total_size);
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mpp_log_f("snapshot1 total count %6d size %d\n", p1->total_count, p1->total_size);
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pthread_mutex_lock(&mem_list_lock);
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/* handle 0 search */
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list_for_each_entry_safe(pos0, n0, &p0->list, struct mem_node, list) {
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RK_U32 found_match = 0;
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list_for_each_entry_safe(pos1, n1, &p1->list, struct mem_node, list) {
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if (pos0->index == pos1->index) {
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list_del_init(&pos0->list);
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list_del_init(&pos1->list);
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free(pos0);
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free(pos1);
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found_match = 1;
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break;
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}
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}
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if (!found_match) {
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mpp_log_f("snapshot0 %p found mismatch memory %p size %d tag %s index %llu",
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p0, pos0->ptr, pos0->size, pos0->tag, pos0->index);
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}
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}
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/* handle 1 search */
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list_for_each_entry_safe(pos1, n1, &p1->list, struct mem_node, list) {
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mpp_log_f("snapshot1 %p found mismatch memory %p size %d tag %s index %llu",
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p1, pos1->ptr, pos1->size, pos1->tag, pos1->index);
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}
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pthread_mutex_unlock(&mem_list_lock);
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return MPP_OK;
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}
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