Rtos API example

Revision:
0:9fca2b23d0ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/features/filesystem/bd/ProfilingBlockDevice.cpp	Sat Feb 23 12:13:36 2019 +0000
@@ -0,0 +1,105 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ProfilingBlockDevice.h"
+
+
+ProfilingBlockDevice::ProfilingBlockDevice(BlockDevice *bd)
+    : _bd(bd)
+    , _read_count(0)
+    , _program_count(0)
+    , _erase_count(0)
+{
+}
+
+int ProfilingBlockDevice::init()
+{
+    return _bd->init();
+}
+
+int ProfilingBlockDevice::deinit()
+{
+    return _bd->deinit();
+}
+
+int ProfilingBlockDevice::read(void *b, bd_addr_t addr, bd_size_t size)
+{
+    int err = _bd->read(b, addr, size);
+    if (!err) {
+        _read_count += size;
+    }
+    return err;
+}
+
+int ProfilingBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size)
+{
+    int err = _bd->program(b, addr, size);
+    if (!err) {
+        _program_count += size;
+    }
+    return err;
+}
+
+int ProfilingBlockDevice::erase(bd_addr_t addr, bd_size_t size)
+{
+    int err = _bd->erase(addr, size);
+    if (!err) {
+        _erase_count += size;
+    }
+    return err;
+}
+
+bd_size_t ProfilingBlockDevice::get_read_size() const
+{
+    return _bd->get_read_size();
+}
+
+bd_size_t ProfilingBlockDevice::get_program_size() const
+{
+    return _bd->get_program_size();
+}
+
+bd_size_t ProfilingBlockDevice::get_erase_size() const
+{
+    return _bd->get_erase_size();
+}
+
+bd_size_t ProfilingBlockDevice::size() const
+{
+    return _bd->size();
+}
+
+void ProfilingBlockDevice::reset()
+{
+    _read_count = 0;
+    _program_count = 0;
+    _erase_count = 0;
+}
+
+bd_size_t ProfilingBlockDevice::get_read_count() const
+{
+    return _read_count;
+}
+
+bd_size_t ProfilingBlockDevice::get_program_count() const
+{
+    return _program_count;
+}
+
+bd_size_t ProfilingBlockDevice::get_erase_count() const
+{
+    return _erase_count;
+}