feat(heap): add option to enable/disable heap trace function

components/heap/Kconfig

@@ -1,10 +1,16 @@
 
 menu "Heap memory"
 
-config HEAP_DISABLE_IRAM
-    bool "Disable IRAM as heap memory"
-    default n
-    help
-        Disable IRAM as heap memory, and heap memory only use DRAM.
+    config HEAP_DISABLE_IRAM
+        bool "Disable IRAM as heap memory"
+        default n
+        help
+            Disable IRAM as heap memory, and heap memory only use DRAM.
+
+    config HEAP_TRACING
+        bool "Enables heap tracing API"
+        default n
+        help
+            Enables heap tracing API.
 
 endmenu

components/heap/include/esp_heap_caps.h

@@ -51,6 +51,7 @@ typedef struct mem_blk {
 /**
  * Second type memory block.
  */
+#ifdef CONFIG_HEAP_TRACING
 typedef struct mem_blk2 {
     struct mem_blk2 *prev;  ///< Point to previous memory block
     struct mem_blk2 *next;  ///< Point to next memory block
@@ -58,6 +59,9 @@ typedef struct mem_blk2 {
     const char      *file;  ///< Which "file" allocate the memory block
     size_t          line;   ///< Which "line" allocate the memory block                      
 } mem2_blk_t;
+#else
+typedef mem_blk_t mem2_blk_t;
+#endif
 
 /**
  * User region information.

components/heap/include/esp_heap_trace.h

@@ -14,12 +14,15 @@
 
 #pragma once
 
+#include "sdkconfig.h"
 #include "esp_err.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#ifdef CONFIG_HEAP_TRACING
+
 typedef enum {
 	HEAP_TRACE_NONE = 0,
 
@@ -80,6 +83,8 @@ esp_err_t heap_trace_resume(void);
  */
 void heap_trace_dump(void);
 
+#endif /* CONFIG_HEAP_TRACING */
+
 #ifdef __cplusplus
 }
 #endif

components/heap/port/esp8266/include/priv/esp_heap_caps_priv.h

@@ -14,6 +14,7 @@
 
 #pragma once
 
+#include "sdkconfig.h"
 #include <stdbool.h>
 
 #ifdef __cplusplus
@@ -21,7 +22,12 @@ extern "C" {
 #endif
 
 #define MEM_BLK_TAG             0x80000000  ///< Mark the memory block used
+
+#ifdef CONFIG_HEAP_TRACING
 #define MEM_BLK_TRACE           0x80000000  ///< Mark the memory block traced
+#else
+#define MEM_BLK_TRACE           0x00000000  ///< Mark the memory block traced
+#endif
 
 #define _mem_blk_get_ptr(_mem_blk, _offset, _mask)                          \
     ((mem_blk_t *)((((uint32_t *)(_mem_blk))[_offset]) & (~_mask)))
@@ -47,12 +53,14 @@ static inline size_t mem_blk_head_size(bool trace)
 
 static inline void mem_blk_set_traced(mem2_blk_t *mem_blk, const char *file, size_t line)
 {
+#ifdef CONFIG_HEAP_TRACING
     uint32_t *val = (uint32_t *)mem_blk + 1;
 
     *val |= MEM_BLK_TRACE;
 
     mem_blk->file = file;
     mem_blk->line = line | MEM_BLK_TRACE;
+#endif
 }
 
 static inline void mem_blk_set_untraced(mem2_blk_t *mem_blk)
@@ -154,10 +162,12 @@ static inline size_t ptr_size(void *ptr)
     return size;
 }
 
+#ifdef CONFIG_HEAP_TRACING
 static inline size_t mem2_blk_line(mem2_blk_t *mem2_blk)
 {
     return mem2_blk->line & ~MEM_BLK_TRACE;
 }
+#endif
 
 #ifdef __cplusplus
 }

components/heap/src/esp_heap_caps.c

@@ -32,7 +32,9 @@ extern heap_region_t g_heap_region[];
 
 static const char *TAG = "heap_init";
 size_t g_heap_region_num;
+#ifdef CONFIG_HEAP_TRACING
 int __g_heap_trace_mode = HEAP_TRACE_NONE;
+#endif
 
 /**
  * @brief Initialize regions of memory to the collection of heaps at runtime.
@@ -116,7 +118,9 @@ void IRAM_ATTR *_heap_caps_malloc(size_t size, uint32_t caps, const char *file,
 
         _heap_caps_lock(num);
 
+#ifdef CONFIG_HEAP_TRACING
         trace = __g_heap_trace_mode == HEAP_TRACE_LEAKS;
+#endif
 
         mem_blk_size = ptr2memblk_size(size, trace);
 

components/heap/src/esp_heap_trace.c

@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "sdkconfig.h"
+
+#ifdef CONFIG_HEAP_TRACING
+
 #include <string.h>
 
 #include "esp_heap_caps.h"
@@ -146,3 +150,5 @@ void heap_trace_dump(void)
         _heap_caps_unlock(num);
     }
 }
+
+#endif /* CONFIG_HEAP_TRACING */