Function QnnLog_create

Function Documentation

Qnn_ErrorHandle_t QnnLog_create(QnnLog_Callback_t callback, QnnLog_Level_t maxLogLevel, Qnn_LogHandle_t *logger)

Create a handle to a logger object. This function can be called before QnnBackend_create().

Parameters

  • callback – [in] Callback to handle backend-generated logging messages. NULL indicates backend may direct log messages to the default log stream on the target platform when possible (e.g. to logcat in case of Android).

  • maxLogLevel – [in] Maximum level of messages which the backend will generate.

  • logger – [out] The created log handle.

Returns

Error code:

  • QNN_SUCCESS: if logging is successfully initialized.

  • QNN_COMMON_ERROR_NOT_SUPPORTED: logging is not supported.

  • QNN_LOG_ERROR_INVALID_ARGUMENT: if one or more arguments is invalid.

  • QNN_LOG_ERROR_MEM_ALLOC: for memory allocation errors.

  • QNN_LOG_ERROR_INITIALIZATION: log init failed.

  • QNN_COMMON_ERROR_SYSTEM_COMMUNICATION: SSR occurence (successful recovery)

  • QNN_COMMON_ERROR_SYSTEM_COMMUNICATION_FATAL: SSR occurence (unsuccessful recovery)

Note

Use corresponding API through QnnInterface_t.

Warning

With different logging level enabled, the inference time may vary.