Heap tracing (#1861)

* Update sdkconfig.esp32cam-dev-task-analysis.defaults

* Update defines.h

* Update platformio.ini

* Update main.cpp

* Update defines.h

* Update ClassFlowCNNGeneral.cpp

* Update platformio.ini

code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.cpp

@@ -12,7 +12,12 @@
 
 static const char* TAG = "CNN";
 
-//#define DEBUG_DETAIL_ON
+//#ifdef CONFIG_HEAP_TRACING_STANDALONE
+#ifdef HEAP_TRACING_CLASS_FLOW_CNN_GENERAL_DO_ALING_AND_CUT
+    #include <esp_heap_trace.h>
+    #define NUM_RECORDS 300
+    static heap_trace_record_t trace_record[NUM_RECORDS]; // This buffer must be in internal RAM
+#endif
 
 
 ClassFlowCNNGeneral::ClassFlowCNNGeneral(ClassFlowAlignment *_flowalign, t_CNNType _cnntype) : ClassFlowImage(NULL, TAG)
@@ -462,6 +467,14 @@ string ClassFlowCNNGeneral::getHTMLSingleStep(string host)
 
 bool ClassFlowCNNGeneral::doFlow(string time)
 {
+
+#ifdef HEAP_TRACING_CLASS_FLOW_CNN_GENERAL_DO_ALING_AND_CUT
+    //register a buffer to record the memory trace
+    ESP_ERROR_CHECK( heap_trace_init_standalone(trace_record, NUM_RECORDS) );
+    // start tracing
+    ESP_ERROR_CHECK( heap_trace_start(HEAP_TRACE_LEAKS) );
+#endif
+
     if (disabled)
       return true;
 
@@ -474,6 +487,12 @@ bool ClassFlowCNNGeneral::doFlow(string time)
     doNeuralNetwork(time);
 
     RemoveOldLogs();
+
+#ifdef HEAP_TRACING_CLASS_FLOW_CNN_GENERAL_DO_ALING_AND_CUT
+    ESP_ERROR_CHECK( heap_trace_stop() );
+    heap_trace_dump(); 
+#endif   
+
     return true;
 }
 

code/include/defines.h

@@ -33,6 +33,17 @@
     // server_tflite.cpp
     //#define TASK_ANALYSIS_ON
 
+
+    //Memory leak tracing
+    //https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/heap_debug.html#heap-information
+    //need CONFIG_HEAP_TRACING_STANDALONE=y or #define CONFIG_HEAP_TRACING_STANDALONE
+    //all setup is predifined in [env:esp32cam-dev-task-analysis]
+    //#define HEAP_TRACING_MAIN_WIFI || HEAP_TRACING_MAIN_START //enable heap tracing per function in main.cpp
+    //all defines in [env:esp32cam-dev-task-analysis]
+    //#define HEAP_TRACING_MAIN_WIFI
+    //#define HEAP_TRACING_MAIN_START
+    //#define HEAP_TRACING_CLASS_FLOW_CNN_GENERAL_DO_ALING_AND_CUT
+
     /* Uncomment this to keep the logfile open for appending.
     * If commented out, the logfile gets opened/closed for each log measage (old behaviour) */
     // ClassLogFile

code/main/main.cpp

@@ -62,6 +62,13 @@
     #endif
 #endif
 
+//#ifdef CONFIG_HEAP_TRACING_STANDALONE
+#if defined HEAP_TRACING_MAIN_WIFI || defined HEAP_TRACING_MAIN_START
+    #include <esp_heap_trace.h>
+    #define NUM_RECORDS 300
+    static heap_trace_record_t trace_record[NUM_RECORDS]; // This buffer must be in internal RAM
+#endif
+
 extern const char* GIT_TAG;
 extern const char* GIT_REV;
 extern const char* GIT_BRANCH;
@@ -162,6 +169,13 @@ void task_MainInitError_blink(void *pvParameter)
 
 extern "C" void app_main(void)
 {
+   
+//#ifdef CONFIG_HEAP_TRACING_STANDALONE
+#if defined HEAP_TRACING_MAIN_WIFI || defined HEAP_TRACING_MAIN_START
+    //register a buffer to record the memory trace
+    ESP_ERROR_CHECK( heap_trace_init_standalone(trace_record, NUM_RECORDS) );
+#endif
+    
     TickType_t xDelay;
     
 #ifdef DISABLE_BROWNOUT_DETECTOR
@@ -224,6 +238,10 @@ extern "C" void app_main(void)
         CheckStartAPMode();          // if no wlan.ini and/or config.ini --> AP ist startet and this function does not exit anymore until reboot
     #endif
 
+#ifdef HEAP_TRACING_MAIN_WIFI
+    ESP_ERROR_CHECK( heap_trace_start(HEAP_TRACE_LEAKS) );
+#endif
+    
     char *ssid = NULL, *passwd = NULL, *hostname = NULL, *ip = NULL, *gateway = NULL, *netmask = NULL, *dns = NULL; int rssithreashold = 0;
     LoadWlanFromFile(WLAN_CONFIG_FILE, ssid, passwd, hostname, ip, gateway, netmask, dns, rssithreashold);
 
@@ -257,6 +275,15 @@ extern "C" void app_main(void)
     ESP_LOGD(TAG, "main: sleep for: %ldms", (long) xDelay);
     vTaskDelay( xDelay );   
     
+#ifdef HEAP_TRACING_MAIN_WIFI
+    ESP_ERROR_CHECK( heap_trace_stop() );
+    heap_trace_dump(); 
+#endif   
+
+#ifdef HEAP_TRACING_MAIN_START
+    ESP_ERROR_CHECK( heap_trace_start(HEAP_TRACE_LEAKS) );
+#endif
+
     LogFile.WriteToFile(ESP_LOG_INFO, TAG, "=================================================");
     LogFile.WriteToFile(ESP_LOG_INFO, TAG, "================== Main Started =================");
     LogFile.WriteToFile(ESP_LOG_INFO, TAG, "=================================================");
@@ -269,6 +296,11 @@ extern "C" void app_main(void)
     std::string zw = getCurrentTimeString("%Y%m%d-%H%M%S");
     ESP_LOGD(TAG, "time %s", zw.c_str());
     
+#ifdef HEAP_TRACING_MAIN_START
+    ESP_ERROR_CHECK( heap_trace_stop() );
+    heap_trace_dump(); 
+#endif  
+
     /* Check if PSRAM can be initalized */
     esp_err_t ret;
     ret = esp_spiram_init();

code/platformio.ini

@@ -193,6 +193,10 @@ extends = env:esp32cam-dev, esp32cam-debug
 build_flags = 
         ;-D DEBUG_DETAIL_ON ; if esp32cam-debug not in extends
         -D TASK_ANALYSIS_ON
+        ;please use only one HEAP tracing at time.
+        -D HEAP_TRACING_MAIN_WIFI
+        ;-D HEAP_TRACING_MAIN_START
+	;-D HEAP_TRACING_CLASS_FLOW_CNN_GENERAL_DO_ALING_AND_CUT
 
 
 ; Overwrite espcam build_flags to not include ENABLE_SOFTAP

code/sdkconfig.esp32cam-dev-task-analysis.defaults

@@ -1,3 +1,18 @@
 CONFIG_FREERTOS_USE_TRACE_FACILITY=1
 CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
 CONFIG_FREERTOS_VTASKLIST_INCLUDE_COREID=y
+
+CONFIG_HEAP_TRACING_STANDALONE=y
+CONFIG_HEAP_POISONING_LIGHT=y
+CONFIG_HEAP_TASK_TRACKING=y
+
+
+# General options for additional checks
+CONFIG_HEAP_POISONING_COMPREHENSIVE=y
+CONFIG_COMPILER_WARN_WRITE_STRINGS=y
+CONFIG_BOOTLOADER_LOG_LEVEL_WARN=y
+CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
+CONFIG_COMPILER_STACK_CHECK_MODE_STRONG=y
+CONFIG_COMPILER_STACK_CHECK=y
+
+CONFIG_ESP_TASK_WDT=n