/* * Copyright (c) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _TRACE_TRACE_MARKER_H #define _TRACE_TRACE_MARKER_H #include #define TRACE_MARKER_MESSAGE_LEN 1024 #ifdef __cplusplus extern "C" { #endif static const uint64_t HITRACE_TAG_ALWAYS = (1ULL << 0); // This tag is always enabled. static const uint64_t HITRACE_TAG_MUSL = (1ULL << 12); // musl tag. /** * @brief Reset trace_marker trace switch status */ void trace_marker_reset(void); /** * @brief Write the function call information to the trace_marker node in kernel space, * used on the same thread as trace_marker_end(),with the symbol "B". * @param label The tagLabel of current sub-system. * @param message The function of information. * @param value The value which want to trace. */ void trace_marker_begin(uint64_t label, const char *message, const char *value); /** * @brief Write the terminator to the trace_marker node of the kernel space, * used on the same thread as trace_marker_begin(),with the symbol "E". * @param label The tagLabel of current sub-system. */ void trace_marker_end(uint64_t label); /** * @brief Write the function call information to the trace_marker node in kernel space, * used in a different thread than trace_marker_async_end(),with the symbol "S". * @param label The tagLabel of current sub-system. * @param message The function of information. * @param value The value which want to trace. */ void trace_marker_async_begin(uint64_t label, const char *message, const char *value, int taskId); /** * @brief Write the terminator to the trace_marker node in kernel space, * used in a different thread than trace_marker_async_begin(),with the symbol "F". * @param label The tagLabel of current sub-system. * @param message The function of information. * @param value The value which want to trace. */ void trace_marker_async_end(uint64_t label, const char *message, const char *value, int taskId); /** * @brief Marks a pre-traced numeric variable,with the symbol "C". * @param label The tagLabel of current sub-system. * @param message The function of information. * @param value The value which want to trace. */ void trace_marker_count(uint64_t label, const char *message, int value); #ifdef __cplusplus } #endif #endif