* This file is part of the MindStudio project.
* Copyright (c) 2026 Huawei Technologies Co.,Ltd.
*
* MindStudio is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* -------------------------------------------------------------------------
*/
#include <unistd.h>
#include <cstdint>
#include <cstdio>
namespace Utility
{
uint64_t GetProcessVmRss()
{
FILE *fp = fopen("/proc/self/statm", "r");
if (fp == nullptr)
{
return 0;
}
uint32_t vms_pages;
uint32_t rss_pages;
if (fscanf(fp, "%u %u", &vms_pages, &rss_pages) != 2)
{
fclose(fp);
return 0;
}
fclose(fp);
static const uint32_t page_size = static_cast<uint32_t>(sysconf(_SC_PAGESIZE));
return static_cast<uint64_t>(rss_pages) * page_size;
}
}