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fs/procfs: Add mallinfo and memdump callback to procfs_meminfo_entry_s

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so the implementation can do the customized action through hook

Signed-off-by: ganjing <ganjing@xiaomi.com>
This commit is contained in:
ganjing
2026-01-26 14:26:37 +08:00
committed by Xiang Xiao
parent e8bbf496ee
commit af3d5e2212
2 changed files with 31 additions and 12 deletions
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fs/procfs/fs_procfsmeminfo.c
+25 -12
View File
@@ -98,18 +98,18 @@ static void meminfo_progmem(FAR struct progmem_info_s *progmem);
/* File system methods */
static int meminfo_open(FAR struct file *filep, FAR const char *relpath,
int oflags, mode_t mode);
int oflags, mode_t mode);
static int meminfo_close(FAR struct file *filep);
#ifndef CONFIG_FS_PROCFS_EXCLUDE_MEMDUMP
static ssize_t memdump_read(FAR struct file *filep, FAR char *buffer,
size_t buflen);
size_t buflen);
static ssize_t memdump_write(FAR struct file *filep, FAR const char *buffer,
size_t buflen);
#endif
static ssize_t meminfo_read(FAR struct file *filep, FAR char *buffer,
size_t buflen);
size_t buflen);
static int meminfo_dup(FAR const struct file *oldp,
FAR struct file *newp);
FAR struct file *newp);
static int meminfo_stat(FAR const char *relpath, FAR struct stat *buf);
/****************************************************************************
@@ -230,7 +230,7 @@ static void meminfo_progmem(FAR struct progmem_info_s *progmem)
****************************************************************************/
static int meminfo_open(FAR struct file *filep, FAR const char *relpath,
int oflags, mode_t mode)
int oflags, mode_t mode)
{
FAR struct meminfo_file_s *procfile;
@@ -320,7 +320,15 @@ static ssize_t meminfo_read(FAR struct file *filep, FAR char *buffer,
/* Show heap information */
info = mm_mallinfo(entry->heap);
if (entry->mallinfo)
{
info = entry->mallinfo(entry->heap);
}
else
{
info = mm_mallinfo(entry->heap);
}
linesize = procfs_snprintf(procfile->line, MEMINFO_LINELEN,
"%11lu%11lu%11lu%11lu%11lu"
"%7lu%7lu %s\n",
@@ -633,7 +641,14 @@ dump:
for (entry = g_procfs_meminfo; entry != NULL; entry = entry->next)
{
mm_memdump(entry->heap, &dump);
if (entry->memdump)
{
entry->memdump(entry->heap, &dump);
}
else
{
mm_memdump(entry->heap, &dump);
}
}
return buflen;
@@ -713,13 +728,11 @@ static int meminfo_stat(FAR const char *relpath, FAR struct stat *buf)
void procfs_register_meminfo(FAR struct procfs_meminfo_entry_s *entry)
{
if (NULL == entry->name)
if (entry->name != NULL)
{
return;
entry->next = g_procfs_meminfo;
g_procfs_meminfo = entry;
}
entry->next = g_procfs_meminfo;
g_procfs_meminfo = entry;
}
/****************************************************************************
include/nuttx/fs/procfs.h
+6
View File
@@ -130,12 +130,18 @@ struct procfs_dir_priv_s
/* An entry for procfs_register_meminfo */
struct mallinfo;
struct mm_heap_s;
struct mm_memdump_s;
struct procfs_meminfo_entry_s
{
FAR const char *name;
FAR struct mm_heap_s *heap;
FAR struct procfs_meminfo_entry_s *next;
struct mallinfo (*mallinfo)(FAR struct mm_heap_s *);
void (*memdump)(FAR struct mm_heap_s *,
FAR const struct mm_memdump_s *);
#if CONFIG_MM_BACKTRACE >= 0
/* This is dynamic control flag whether to turn on backtrace in the heap,