struct mallinfo mallinfo(void)
{
struct mallinfo info;
mm_mallinfo(&g_mmheap, &info);
return info;
}
static ssize_t ccm_read(FAR struct file *filep, FAR char *buffer,
size_t buflen)
{
FAR struct ccm_file_s *priv;
ssize_t ret = 0;
size_t linesize;
size_t copysize;
size_t remaining;
size_t totalsize;
struct mallinfo mem;
off_t offset = filep->f_pos;
fvdbg("buffer=%p buflen=%d\n", buffer, (int)buflen);
/* Recover our private data from the struct file instance */
priv = (FAR struct ccm_file_s *)filep->f_priv;
DEBUGASSERT(priv);
mm_mallinfo(&g_ccm_heap, &mem);
remaining = buflen;
totalsize = 0;
linesize = snprintf(priv->line,
CCM_LINELEN,
" total used free largest\n");
copysize = procfs_memcpy(priv->line, linesize, buffer, remaining, &offset);
totalsize += copysize;
buffer += copysize;
remaining -= copysize;
if (totalsize >= buflen)
{
return totalsize;
}
linesize = snprintf(priv->line,
CCM_LINELEN,
"Mem: %11d%11d%11d%11d\n",
mem.arena,
mem.uordblks,
mem.fordblks,
mem.mxordblk);
copysize = procfs_memcpy(priv->line, linesize, buffer, remaining, &offset);
totalsize += copysize;
/* Update the file offset */
if (totalsize > 0)
{
filep->f_pos += totalsize;
}
return totalsize;
}
void print_user_heap_mallinfo(void)
{
struct mallinfo info;
mm_mallinfo(&g_mmheap_user, &info);
trace(": %db used (%%%d) out of %db\n", info.uordblks,
info.uordblks * 100 / info.arena, info.arena);
}
int kmm_mallinfo(struct mallinfo *info)
{
return mm_mallinfo(&g_kmmheap, info);
}
int mallinfo(struct mallinfo *info)
{
return mm_mallinfo(USR_HEAP, info);
}
struct mallinfo mallinfo(void)
{
struct mallinfo info;
mm_mallinfo(USR_HEAP, &info);
return info;
}
