Merged in antmerlino/nuttx/iobinstrumentation (pull request #1001)

Iobinstrumentation

* mm/iob: Introduces producer/consumer id to every iob call. This is so that the calls can be instrumented to monitor the IOB resources.

* iob instrumentation - Merges producer/consumer enumeration for simpler IOB user.

* fs/procfs: Starts adding support for /proc/iobinfo

* fs/procfs: Finishes first pass of simple IOB user stastics and /proc/iobinfo entry

Approved-by: Gregory Nutt <gnutt@nuttx.org>

wireless/bluetooth/bt_buf.c

@@ -348,7 +348,7 @@ FAR struct bt_buf_s *bt_buf_alloc(enum bt_buf_type_e type,
        * available buffers.
        */
 
-      buf->frame = iob_alloc(false);
+      buf->frame = iob_alloc(false, IOBUSER_WIRELESS_BLUETOOTH);
       if (!buf->frame)
         {
           wlerr("ERROR:  Failed to allocate an IOB\n");
@@ -407,7 +407,7 @@ void bt_buf_release(FAR struct bt_buf_s *buf)
 
   if (buf->frame != NULL)
     {
-      iob_free(buf->frame);
+      iob_free(buf->frame, IOBUSER_WIRELESS_BLUETOOTH);
       buf->frame = NULL;
     }
 

wireless/bluetooth/bt_netdev.c

@@ -420,7 +420,7 @@ drop:
 
   if (ret < 0)
     {
-      iob_free(frame);
+      iob_free(frame, IOBUSER_WIRELESS_BLUETOOTH);
 
       /* Increment statistics */