diff --git a/doc/jsonrpc.md b/doc/jsonrpc.md
index fe380a325..1daa67df4 100644
--- a/doc/jsonrpc.md
+++ b/doc/jsonrpc.md
@@ -4171,7 +4171,8 @@ Example response:
       {
         "name": "app_thread",
         "admin_qpairs": 1,
-        "io_qpairs": 4
+        "io_qpairs": 4,
+        "pending_bdev_io": 1721
       }
     ]
   }
diff --git a/include/spdk/nvmf.h b/include/spdk/nvmf.h
index f7ae54b9b..db225e0b3 100644
--- a/include/spdk/nvmf.h
+++ b/include/spdk/nvmf.h
@@ -81,6 +81,7 @@ struct spdk_nvmf_transport_opts {
 struct spdk_nvmf_poll_group_stat {
 	uint32_t admin_qpairs;
 	uint32_t io_qpairs;
+	uint64_t pending_bdev_io;
 };
 
 /**
diff --git a/lib/event/subsystems/nvmf/nvmf_rpc.c b/lib/event/subsystems/nvmf/nvmf_rpc.c
index 601a126d7..8d260b573 100644
--- a/lib/event/subsystems/nvmf/nvmf_rpc.c
+++ b/lib/event/subsystems/nvmf/nvmf_rpc.c
@@ -1656,6 +1656,7 @@ rpc_nvmf_get_stats(struct spdk_io_channel_iter *i)
 		spdk_json_write_named_string(ctx->w, "name", spdk_thread_get_name(spdk_get_thread()));
 		spdk_json_write_named_uint32(ctx->w, "admin_qpairs", stat.admin_qpairs);
 		spdk_json_write_named_uint32(ctx->w, "io_qpairs", stat.io_qpairs);
+		spdk_json_write_named_uint64(ctx->w, "pending_bdev_io", stat.pending_bdev_io);
 		spdk_json_write_object_end(ctx->w);
 	}
 
diff --git a/lib/nvmf/ctrlr_bdev.c b/lib/nvmf/ctrlr_bdev.c
index e6c15f057..0b1ba9dcc 100644
--- a/lib/nvmf/ctrlr_bdev.c
+++ b/lib/nvmf/ctrlr_bdev.c
@@ -1,8 +1,8 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright (c) Intel Corporation.
- *   All rights reserved.
+ *   Copyright (c) Intel Corporation. All rights reserved.
+ *   Copyright (c) 2019 Mellanox Technologies LTD. All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -213,6 +213,7 @@ nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
 	if (rc != 0) {
 		assert(false);
 	}
+	req->qpair->group->stat.pending_bdev_io++;
 }
 
 int