first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include "proc.h"
+#include "procfs.h"
+
+#include <rthw.h>
+#include <rtdbg.h>
+
+#include <fcntl.h>
+#include <errno.h>
+
+#include <dfs_dentry.h>
+#include <mm_page.h>
+
+
+extern void rt_memory_info(rt_size_t *total,
+                            rt_size_t *used,
+                            rt_size_t *max_used);
+
+static int single_show(struct dfs_seq_file *seq, void *data)
+{
+    rt_size_t total, used, max_used, freed;
+    rt_size_t total_sum = 0;
+    rt_size_t total_freed = 0;
+
+    rt_memory_info(&total, &used, &max_used);
+    total_sum = total_sum + total;
+    total_freed = total_freed + total - used;
+
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "MemMaxUsed:", max_used / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "MemAvailable:", (total - used) / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "Cached:", 0);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "SReclaimable:", 0);
+
+    rt_page_get_info(&total, &freed);
+    total_sum = total_sum + total * RT_MM_PAGE_SIZE;
+    total_freed = total_freed + freed * RT_MM_PAGE_SIZE;
+
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "MemTotal:", total_sum / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "MemFree:", total_freed / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "LowPageTotal:", total * RT_MM_PAGE_SIZE / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "lowPageFree:", freed * RT_MM_PAGE_SIZE/ 1024);
+
+    rt_page_high_get_info(&total, &freed);
+
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "HighPageTotal:", total * RT_MM_PAGE_SIZE / 1024);
+    dfs_seq_printf(seq, "%-16s%8d KB\n", "HighPageFree:", freed * RT_MM_PAGE_SIZE / 1024);
+
+    return 0;
+}
+
+int proc_meminfo_init(void)
+{
+    struct proc_dentry *dentry = proc_create_single_data("meminfo", 0, NULL, single_show, NULL);
+    proc_release(dentry);
+
+    return 0;
+}
+INIT_ENV_EXPORT(proc_meminfo_init);