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LiteOS-Reading/src/kernel/base/mem/common/memstat/los_memstat.c

138 lines
4.9 KiB

/* ----------------------------------------------------------------------------
* Copyright (c) Huawei Technologies Co., Ltd. 2013-2020. All rights reserved.
* Description: LiteOS Task Mem Implementation
* Author: Huawei LiteOS Team
* Create: 2013-01-01
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* --------------------------------------------------------------------------- */
#include "los_memstat_pri.h"
#include "los_memory_pri.h"
#include "los_task_pri.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define MIN_TASK_ID(x, y) ((x) > (y) ? (y) : (x))
#define MAX_MEM_USE(x, y) ((x) > (y) ? (x) : (y))
LITE_OS_SEC_TEXT_MINOR VOID OsMemstatTaskUsedInc(Memstat *stat, UINT32 usedSize, UINT32 taskId)
{
UINT32 record = MIN_TASK_ID(taskId, TASK_NUM - 1);
TaskMemUsedInfo *taskMemstats = stat->taskMemstats;
taskMemstats[record].memUsed += usedSize;
taskMemstats[record].memPeak = MAX_MEM_USE(taskMemstats[record].memPeak, taskMemstats[record].memUsed);
stat->memTotalUsed += usedSize;
stat->memTotalPeak = MAX_MEM_USE(stat->memTotalPeak, stat->memTotalUsed);
}
LITE_OS_SEC_TEXT_MINOR VOID OsMemstatTaskUsedDec(Memstat *stat, UINT32 usedSize, UINT32 taskId)
{
UINT32 record = MIN_TASK_ID(taskId, TASK_NUM - 1);
TaskMemUsedInfo *taskMemstats = stat->taskMemstats;
if (taskMemstats[record].memUsed < usedSize) {
PRINT_INFO("mem used of current task '%s':0x%x, decrease size:0x%x\n",
OsCurrTaskGet()->taskName, taskMemstats[record].memUsed, usedSize);
return;
}
taskMemstats[record].memUsed -= usedSize;
stat->memTotalUsed -= usedSize;
}
LITE_OS_SEC_TEXT_MINOR VOID OsMemstatTaskClear(Memstat *stat, UINT32 taskId)
{
UINT32 record = MIN_TASK_ID(taskId, TASK_NUM - 1);
TaskMemUsedInfo *taskMemstats = stat->taskMemstats;
if (taskMemstats[record].memUsed != 0) {
PRINT_INFO("mem used of task '%s' is:0x%x, not zero when task being deleted\n",
OsCurrTaskGet()->taskName, taskMemstats[record].memUsed);
}
taskMemstats[record].memUsed = 0;
taskMemstats[record].memPeak = 0;
}
LITE_OS_SEC_TEXT_MINOR UINT32 OsMemstatTaskUsage(const Memstat *stat, UINT32 taskId)
{
UINT32 record = MIN_TASK_ID(taskId, TASK_NUM - 1);
const TaskMemUsedInfo *taskMemstats = stat->taskMemstats;
return taskMemstats[record].memUsed;
}
UINT32 OsMemTaskUsage(UINT32 taskId)
{
LosMemPoolInfo *pool = NULL;
Memstat *stat = NULL;
#ifndef LOSCFG_MEM_MUL_POOL
/* If Multi-pool is not enabled, then trace SYSTEM MEM only */
pool = (LosMemPoolInfo *)OS_SYS_MEM_ADDR;
stat = &(pool->stat);
return OsMemstatTaskUsage(stat, taskId);
#else
UINT32 inUse = 0;
pool = (LosMemPoolInfo *)OsMemMulPoolHeadGet();
while (pool != NULL) {
stat = &(pool->stat);
inUse += OsMemstatTaskUsage(stat, taskId);
pool = pool->nextPool;
}
return inUse;
#endif
}
VOID OsMemTaskClear(UINT32 taskId)
{
LosMemPoolInfo *pool = NULL;
Memstat *stat = NULL;
#ifndef LOSCFG_MEM_MUL_POOL
pool = (LosMemPoolInfo *)OS_SYS_MEM_ADDR;
stat = &(pool->stat);
OsMemstatTaskClear(stat, taskId);
#else
pool = (LosMemPoolInfo *)OsMemMulPoolHeadGet();
while (pool != NULL) {
stat = &(pool->stat);
OsMemstatTaskClear(stat, taskId);
pool = pool->nextPool;
}
#endif
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */