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This commit is contained in:
J. Nick Koston 2025-05-08 18:45:57 -05:00
parent 4c1111a395
commit fcdf209ac3
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2 changed files with 57 additions and 12 deletions
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67
esphome/components/api/api_server.cpp
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@ -41,22 +41,65 @@ extern "C" void dump_task_heap_info() {
ESP_LOGI("HEAP", "Total blocks: %u", info.total_blocks);
ESP_LOGI("HEAP", "-------------------------------------");
// Get information about running tasks
char buffer[128];
// Get information about running tasks with a much larger buffer to prevent overflow
// The FreeRTOS functions don't provide a way to check buffer size requirements in advance
static char buffer[2048];
// Zero out the buffer for safety
memset(buffer, 0, sizeof(buffer));
// Get task list
vTaskList(buffer);
ESP_LOGI("HEAP", "Task Information:");
ESP_LOGI("HEAP", "Name State Priority Stack Num");
ESP_LOGI("HEAP", "-------------------------------------");
ESP_LOGI("HEAP", "%s", buffer);
// Check if buffer has valid content
if (buffer[0] != '\0') {
ESP_LOGI("HEAP", "Task Information:");
ESP_LOGI("HEAP", "Name State Priority Stack Num");
ESP_LOGI("HEAP", "-------------------------------------");
// Process the buffer line by line to add the log prefix to each line
char *line = strtok(buffer, "\n\r");
int count = 0;
while (line != nullptr && strlen(line) > 0 && count < 20) {
ESP_LOGI("HEAP", "%s", line);
line = strtok(nullptr, "\n\r");
count++;
}
} else {
ESP_LOGE("HEAP", "Could not get task information");
}
ESP_LOGI("HEAP", "-------------------------------------");
// Additional runtime statistics about tasks
vTaskGetRunTimeStats(buffer);
ESP_LOGI("HEAP", "Task Runtime Statistics:");
ESP_LOGI("HEAP", "Name Time Percentage");
ESP_LOGI("HEAP", "-------------------------------------");
ESP_LOGI("HEAP", "%s", buffer);
// Runtime statistics - use a separate section with a different buffer to avoid corruption
static char stats_buffer[2048];
memset(stats_buffer, 0, sizeof(stats_buffer));
// Get runtime stats
vTaskGetRunTimeStats(stats_buffer);
// Check if buffer has valid content
if (stats_buffer[0] != '\0') {
ESP_LOGI("HEAP", "Task Runtime Statistics:");
ESP_LOGI("HEAP", "Name Time Percentage");
ESP_LOGI("HEAP", "-------------------------------------");
// Process the runtime stats buffer line by line safely
char *line = strtok(stats_buffer, "\n\r");
int count = 0;
// Limit to 20 lines to prevent buffer overruns
while (line != nullptr && count < 20) {
// Skip empty lines
if (strlen(line) > 0) {
ESP_LOGI("HEAP", "%s", line);
}
line = strtok(nullptr, "\n\r");
count++;
}
} else {
ESP_LOGE("HEAP", "Could not get task runtime statistics");
}
ESP_LOGI("HEAP", "-------------------------------------");
}
#endif

2
heap_trace_example.yaml
View File

@ -19,6 +19,8 @@ api:
standalone: true
# Number of trace records to keep (more records = more memory usage)
num_records: 100
# Enable task statistics tracking (shows task names, stack usage, etc.)
task_tracking: true
# Enable OTA updates
ota: