diff --git a/fs/procfs/fs_procfsmeminfo.c b/fs/procfs/fs_procfsmeminfo.c
index dcf2277c0d707..9a6a8cd4d11f6 100644
--- a/fs/procfs/fs_procfsmeminfo.c
+++ b/fs/procfs/fs_procfsmeminfo.c
@@ -445,7 +445,7 @@ static ssize_t memdump_read(FAR struct file *filep, FAR char *buffer,
                   "/on/off"
 #endif
 #if CONFIG_MM_BACKTRACE >= 0
-                 "/leak/pid> <seqmin> <seqmax"
+                 "/leak/pid/allpid> <seqmin> <seqmax"
 #endif
                  ">\n"
                  "used: dump all allocated node\n"
@@ -463,6 +463,7 @@ static ssize_t memdump_read(FAR struct file *filep, FAR char *buffer,
 #if CONFIG_MM_BACKTRACE >= 0
                  "leak: dump all leaked node\n"
                  "pid: dump pid allocated node\n"
+                 "allpid: dump all pid memory allocated\n"
 #  ifdef CONFIG_MM_BACKTRACE_SEQNO
                  "The current sequence number %lu\n",
                  g_mm_seqno
@@ -616,6 +617,11 @@ static ssize_t memdump_write(FAR struct file *filep, FAR const char *buffer,
         break;
 
 #if CONFIG_MM_BACKTRACE >= 0
+        case 'a':
+        dump.pid = PID_MM_ALL_PID;
+        p = (FAR char *)buffer + 6;
+        goto dump;
+
       default:
         if (!isdigit(buffer[0]))
           {
diff --git a/include/malloc.h b/include/malloc.h
index 1955b175cea07..e1e95e605318f 100644
--- a/include/malloc.h
+++ b/include/malloc.h
@@ -35,6 +35,9 @@
 
 /* Special PID to query the info about alloc, free and mempool */
 
+#if CONFIG_MM_BACKTRACE >= 0
+#define PID_MM_ALL_PID ((pid_t)-7)
+#endif
 #define PID_MM_ORPHAN  ((pid_t)-6)
 #define PID_MM_BIGGEST ((pid_t)-5)
 #define PID_MM_FREE    ((pid_t)-4)
diff --git a/mm/mm_heap/mm_memdump.c b/mm/mm_heap/mm_memdump.c
index fc1e5f854b73f..47b2bf99e17c6 100644
--- a/mm/mm_heap/mm_memdump.c
+++ b/mm/mm_heap/mm_memdump.c
@@ -223,6 +223,29 @@ static void memdump_handler(FAR struct mm_allocnode_s *node, FAR void *arg)
     }
 }
 
+#if CONFIG_MM_BACKTRACE >= 0
+struct memdump_tcb_arg_s
+{
+  FAR struct mm_heap_s *heap;
+  unsigned long seqmin;
+  unsigned long seqmax;
+};
+
+static void memdump_tcb_handler(FAR struct tcb_s *tcb, FAR void *arg)
+{
+  struct mallinfo_task info;
+  struct malltask task;
+  FAR struct memdump_tcb_arg_s *tcb_arg = arg;
+
+  task.pid = tcb ? tcb->pid : PID_MM_LEAK;
+  task.seqmin = tcb_arg->seqmin;
+  task.seqmax = tcb_arg->seqmax;
+  info = mm_mallinfo_task(tcb_arg->heap, &task);
+  syslog(LOG_INFO, "pid:%5d, used:%10d, nused:%10d\n",
+        task.pid, info.uordblks, info.aordblks);
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -301,6 +324,18 @@ void mm_memdump(FAR struct mm_heap_s *heap,
     {
       syslog(LOG_INFO, "Dump allocated orphan nodes\n");
     }
+#if CONFIG_MM_BACKTRACE >= 0
+  else if (pid == PID_MM_ALL_PID)
+    {
+      syslog(LOG_INFO, "Dump all pid memory allocated\n");
+      struct memdump_tcb_arg_s tcb_arg;
+      tcb_arg.heap = heap;
+      tcb_arg.seqmin = dump->seqmin;
+      tcb_arg.seqmax = dump->seqmax;
+      nxsched_foreach(memdump_tcb_handler, &tcb_arg);
+      return;
+    }
+#endif
 
 #if CONFIG_MM_BACKTRACE < 0
   syslog(LOG_INFO, "%12s%9s%*s\n", "Size", "Overhead",