101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdint.h>
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#include <sdkconfig.h>
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#include "SEGGER_SYSVIEW.h"
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#include "SEGGER_RTT.h"
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#include "esp_app_trace.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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const static char *TAG = "sysview_heap_trace";
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#ifdef CONFIG_HEAP_TRACING_STACK_DEPTH
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#define CALLSTACK_SIZE CONFIG_HEAP_TRACING_STACK_DEPTH
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#else
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#define CALLSTACK_SIZE 0
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#endif
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static SEGGER_SYSVIEW_MODULE s_esp_sysview_heap_module = {
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.sModule = "ESP32 SystemView Heap Tracing Module",
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.NumEvents = 2,
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};
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static bool s_mod_registered;
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esp_err_t esp_sysview_heap_trace_start(uint32_t tmo)
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{
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uint32_t tmo_ticks = tmo/(1000*portTICK_PERIOD_MS);
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ESP_EARLY_LOGV(TAG, "%s", __func__);
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do {
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if (tmo != (uint32_t)-1) {
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// Currently timeout implementation is simple and has granularity of 1 OS tick,
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// so just count down the number of times to call vTaskDelay
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if (tmo_ticks-- == 0) {
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return ESP_ERR_TIMEOUT;
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}
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}
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vTaskDelay(1);
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} while(!SEGGER_SYSVIEW_Started());
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SEGGER_SYSVIEW_RegisterModule(&s_esp_sysview_heap_module);
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s_mod_registered = true;
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return ESP_OK;
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}
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esp_err_t esp_sysview_heap_trace_stop(void)
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{
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ESP_EARLY_LOGV(TAG, "%s", __func__);
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SEGGER_RTT_ESP32_Flush(0, ESP_APPTRACE_TMO_INFINITE);
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return ESP_OK;
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}
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void esp_sysview_heap_trace_alloc(const void *addr, uint32_t size, const void *callers)
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{
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U8 aPacket[SEGGER_SYSVIEW_INFO_SIZE + (2+CALLSTACK_SIZE)*SEGGER_SYSVIEW_QUANTA_U32];
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U8* pPayload = SEGGER_SYSVIEW_PREPARE_PACKET(aPacket);
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U32 *calls = (U32 *)callers;
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if (!s_mod_registered) {
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return;
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}
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ESP_EARLY_LOGV(TAG, "%s %p %lu", __func__, addr, size);
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pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, (U32)addr);
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pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, size);
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for (int i = 0; i < CALLSTACK_SIZE; i++) {
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pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, calls[i]);
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}
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SEGGER_SYSVIEW_SendPacket(&aPacket[0], pPayload, s_esp_sysview_heap_module.EventOffset + 0);
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}
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void esp_sysview_heap_trace_free(const void *addr, const void *callers)
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{
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U8 aPacket[SEGGER_SYSVIEW_INFO_SIZE + (1+CALLSTACK_SIZE)*SEGGER_SYSVIEW_QUANTA_U32];
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U8* pPayload = SEGGER_SYSVIEW_PREPARE_PACKET(aPacket);
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U32 *calls = (U32 *)callers;
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if (!s_mod_registered) {
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return;
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}
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ESP_EARLY_LOGV(TAG, "%s %p", __func__, addr);
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pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, (U32)addr);
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for (int i = 0; i < CALLSTACK_SIZE; i++) {
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pPayload = SEGGER_SYSVIEW_EncodeU32(pPayload, calls[i]);
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}
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SEGGER_SYSVIEW_SendPacket(&aPacket[0], pPayload, s_esp_sysview_heap_module.EventOffset + 1);
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}
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