Diff: pre-main/mem_stats.cpp

Revision:

29:e890b0fdce53

diff -r 4c196d0b769b -r e890b0fdce53 pre-main/mem_stats.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pre-main/mem_stats.cpp	Tue Oct 29 10:59:34 2019 +0800
@@ -0,0 +1,72 @@
+/* 
+ * Copyright (c) 2019 Nuvoton Technology Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 "mbed.h"
+
+#if (MBED_HEAP_STATS_ENABLED) || (MBED_STACK_STATS_ENABLED)
+/* Measure memory footprint */
+#include "mbed_stats.h"
+/* Fix up the compilation on AMRCC for PRIu32 */
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+#endif
+
+/* Support memory footprint */
+
+/* Check weak reference/definition at the link:
+ * http://www.keil.com/support/man/docs/ARMLINK/armlink_pge1362065917715.htm */
+
+extern "C" {
+#if (MBED_HEAP_STATS_ENABLED)
+    MBED_USED void print_heap_stats(void);
+#endif
+#if (MBED_STACK_STATS_ENABLED)
+    MBED_USED void print_stack_statistics();
+#endif
+}
+
+#if (MBED_HEAP_STATS_ENABLED)
+void print_heap_stats(void)
+{
+    mbed_stats_heap_t stats;
+    mbed_stats_heap_get(&stats);
+    printf("** MBED HEAP STATS **\n");
+    printf("**** current_size: %" PRIu32 "\n", stats.current_size);
+    printf("**** max_size    : %" PRIu32 "\n", stats.max_size);
+    printf("*****************************\n\n");
+}
+#endif  // MBED_HEAP_STATS_ENABLED
+
+#if (MBED_STACK_STATS_ENABLED)
+void print_stack_statistics()
+{
+    printf("** MBED THREAD STACK STATS **\n");
+    int cnt = osThreadGetCount();
+    mbed_stats_stack_t *stats = (mbed_stats_stack_t*) malloc(cnt * sizeof(mbed_stats_stack_t));
+
+    if (stats) {
+        cnt = mbed_stats_stack_get_each(stats, cnt);
+        for (int i = 0; i < cnt; i++) {
+            printf("Thread: 0x%" PRIx32 ", Stack size: %" PRIu32 ", Max stack: %" PRIu32 "\r\n", stats[i].thread_id, stats[i].reserved_size, stats[i].max_size);
+        }
+
+        free(stats);
+    }
+    printf("*****************************\n\n");
+}
+#endif  // MBED_STACK_STATS_ENABLED