67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#include "proc.h"
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#include "procfs.h"
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#include <rthw.h>
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#include <rtdbg.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <dfs_dentry.h>
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#include <mm_page.h>
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extern void rt_memory_info(rt_size_t *total,
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rt_size_t *used,
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rt_size_t *max_used);
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static int single_show(struct dfs_seq_file *seq, void *data)
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{
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rt_size_t total, used, max_used, freed;
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rt_size_t total_sum = 0;
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rt_size_t total_freed = 0;
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rt_memory_info(&total, &used, &max_used);
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total_sum = total_sum + total;
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total_freed = total_freed + total - used;
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dfs_seq_printf(seq, "%-16s%8d KB\n", "MemMaxUsed:", max_used / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "MemAvailable:", (total - used) / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "Cached:", 0);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "SReclaimable:", 0);
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rt_page_get_info(&total, &freed);
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total_sum = total_sum + total * RT_MM_PAGE_SIZE;
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total_freed = total_freed + freed * RT_MM_PAGE_SIZE;
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dfs_seq_printf(seq, "%-16s%8d KB\n", "MemTotal:", total_sum / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "MemFree:", total_freed / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "LowPageTotal:", total * RT_MM_PAGE_SIZE / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "lowPageFree:", freed * RT_MM_PAGE_SIZE/ 1024);
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rt_page_high_get_info(&total, &freed);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "HighPageTotal:", total * RT_MM_PAGE_SIZE / 1024);
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dfs_seq_printf(seq, "%-16s%8d KB\n", "HighPageFree:", freed * RT_MM_PAGE_SIZE / 1024);
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return 0;
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}
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int proc_meminfo_init(void)
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{
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struct proc_dentry *dentry = proc_create_single_data("meminfo", 0, NULL, single_show, NULL);
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proc_release(dentry);
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return 0;
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}
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INIT_ENV_EXPORT(proc_meminfo_init);
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