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make LD_PRELOAD style of DLIO Profiler.
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Created by haridev on 10/5/23. | ||
| // | ||
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| #ifndef DLIO_PROFILER_CONSTANTS_H | ||
| #define DLIO_PROFILER_CONSTANTS_H | ||
| #define DLIO_PROFILER_ENABLE "DLIO_PROFILER_ENABLE" | ||
| #define DLIO_PROFILER_GOTCHA_PRIORITY "DLIO_PROFILER_GOTCHA_PRIORITY" | ||
| #define DLIO_PROFILER_LOG_LEVEL "DLIO_PROFILER_LOG_LEVEL" | ||
| #define DLIO_PROFILER_LOG_FILE "DLIO_PROFILER_LOG_FILE" | ||
| #define DLIO_PROFILER_INIT "DLIO_PROFILER_INIT" | ||
| #define DLIO_PROFILER_DATA_DIR "DLIO_PROFILER_DATA_DIR" | ||
| #endif //DLIO_PROFILER_CONSTANTS_H |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,144 @@ | ||
| // | ||
| // Created by haridev on 10/5/23. | ||
| // | ||
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| #ifndef DLIO_PROFILER_DLIO_PROFILER_MAIN_H | ||
| #define DLIO_PROFILER_DLIO_PROFILER_MAIN_H | ||
| #include <cstring> | ||
| #include <thread> | ||
| #include <stdexcept> | ||
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| #include <cpp-logger/logger.h> | ||
| #include <dlio_profiler/core/constants.h> | ||
| #include <dlio_profiler/macro.h> | ||
| #include <dlio_profiler/brahma/posix.h> | ||
| #include <dlio_profiler/brahma/stdio.h> | ||
| #include <dlio_profiler/dlio_logger.h> | ||
| #include <brahma/brahma.h> | ||
| #include <execinfo.h> | ||
| #include "singleton.h" | ||
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| static void handler(int sig) { | ||
| void *array[10]; | ||
| size_t size; | ||
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| // get void*'s for all entries on the stack | ||
| size = backtrace(array, 10); | ||
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| // print out all the frames to stderr | ||
| fprintf(stderr, "Error: signal %d:\n", sig); | ||
| backtrace_symbols_fd(array, size, STDERR_FILENO); | ||
| exit(1); | ||
| } | ||
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| namespace dlio_profiler { | ||
| class DLIOProfiler { | ||
| private: | ||
| bool is_enabled; | ||
| int gotcha_priority; | ||
| cpplogger::LoggerType logger_level; | ||
| std::string log_file; | ||
| std::string data_dirs; | ||
| int process_id; | ||
| bool is_init; | ||
| public: | ||
| DLIOProfiler(bool is_init, const char *log_file = nullptr, const char *data_dirs = nullptr, const int *process_id = nullptr) : is_enabled( | ||
| false), gotcha_priority(1), logger_level(cpplogger::LoggerType::LOG_ERROR), log_file(), data_dirs( | ||
| ), is_init(is_init) { | ||
| signal(SIGSEGV, handler); | ||
| if (this->is_init) { | ||
| char *dlio_profiler_log_level = getenv(DLIO_PROFILER_LOG_LEVEL); | ||
| if (dlio_profiler_log_level == nullptr) { | ||
| logger_level = cpplogger::LoggerType::LOG_ERROR; | ||
| } else { | ||
| if (strcmp(dlio_profiler_log_level, "ERROR") == 0) { | ||
| logger_level = cpplogger::LoggerType::LOG_ERROR; | ||
| } else if (strcmp(dlio_profiler_log_level, "INFO") == 0) { | ||
| logger_level = cpplogger::LoggerType::LOG_INFO; | ||
| } else if (strcmp(dlio_profiler_log_level, "DEBUG") == 0) { | ||
| logger_level = cpplogger::LoggerType::LOG_WARN; | ||
| } | ||
| } | ||
| DLIO_PROFILER_LOGGER->level = logger_level; | ||
| DLIO_PROFILER_LOGINFO("Enabling logging level %d", logger_level); | ||
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| char *dlio_profiler_enable = getenv(DLIO_PROFILER_ENABLE); | ||
| if (dlio_profiler_enable != nullptr && strcmp(dlio_profiler_enable, "1") == 0) { | ||
| is_enabled = true; | ||
| } | ||
| if (is_enabled) { | ||
| DLIO_PROFILER_LOGINFO("DLIO Profiler enabled", ""); | ||
| char *dlio_profiler_priority_str = getenv(DLIO_PROFILER_GOTCHA_PRIORITY); | ||
| if (dlio_profiler_priority_str != nullptr) { | ||
| gotcha_priority = atoi(dlio_profiler_priority_str); | ||
| } | ||
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| if (log_file == nullptr) { | ||
| char *dlio_profiler_log = getenv(DLIO_PROFILER_LOG_FILE); | ||
| if (dlio_profiler_log != nullptr) { | ||
| this->log_file = dlio_profiler_log; | ||
| } else { | ||
| const char *message = "log_file not defined. Please define env variable DLIO_PROFILER_LOG_FILE"; | ||
| DLIO_PROFILER_LOGERROR(message, ""); | ||
| throw std::runtime_error(message); | ||
| } | ||
| } else { | ||
| this->log_file = log_file; | ||
| } | ||
| DLIO_PROFILER_LOGINFO("Setting log file to %s", this->log_file.c_str()); | ||
| if (data_dirs == nullptr) { | ||
| char *dlio_profiler_data_dirs = getenv(DLIO_PROFILER_DATA_DIR); | ||
| if (dlio_profiler_data_dirs != nullptr) { | ||
| this->data_dirs = dlio_profiler_data_dirs; | ||
| } else { | ||
| const char *message = "data_dirs not defined. Please define env variable DLIO_PROFILER_DATA_DIR"; | ||
| DLIO_PROFILER_LOGERROR(message, ""); | ||
| throw std::runtime_error(message); | ||
| } | ||
| } else { | ||
| this->data_dirs = data_dirs; | ||
| } | ||
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| DLIO_PROFILER_LOGINFO("Setting data_dirs to %s", this->data_dirs.c_str()); | ||
| if (process_id == nullptr) { | ||
| this->process_id = getpid(); | ||
| } else { | ||
| this->process_id = *process_id; | ||
| } | ||
| DLIO_PROFILER_LOGINFO("Setting process_id to %s", this->process_id); | ||
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| dlio_profiler::Singleton<DLIOLogger>::get_instance()->update_log_file(this->log_file, this->process_id); | ||
| brahma_gotcha_wrap("dlio_profiler", this->gotcha_priority); | ||
| auto posix_instance = brahma::POSIXDLIOProfiler::get_instance(); | ||
| auto stdio_instance = brahma::STDIODLIOProfiler::get_instance(); | ||
| auto paths = split(this->data_dirs, ':'); | ||
| posix_instance->untrace(this->log_file.c_str()); | ||
| stdio_instance->untrace(this->log_file.c_str()); | ||
| for (const auto &path:paths) { | ||
| DLIO_PROFILER_LOGINFO("Profiler will trace %s\n", path.c_str()); | ||
| posix_instance->trace(path.c_str()); | ||
| stdio_instance->trace(path.c_str()); | ||
| } | ||
| size_t thread_hash = std::hash<std::thread::id>{}(std::this_thread::get_id()); | ||
| DLIO_PROFILER_LOGINFO("Running DLIO Profiler on thread %ld and pid %ld", thread_hash, this->process_id); | ||
| if (this->process_id == 0) | ||
| DLIO_PROFILER_LOGPRINT("Running DLIO Profiler with log_file %s data_dir %s and process %d", | ||
| this->log_file.c_str(), this->data_dirs.c_str(), this->process_id); | ||
| } | ||
| } | ||
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| } | ||
| bool finalize() { | ||
| if (is_init && is_enabled) { | ||
| DLIO_PROFILER_LOGINFO("Calling finalize", ""); | ||
| dlio_profiler::Singleton<DLIOLogger>::get_instance(false)->finalize(); | ||
| free_bindings(); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| }; | ||
| } // namespace dlio_profiler | ||
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| #endif //DLIO_PROFILER_DLIO_PROFILER_MAIN_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| // | ||
| // Created by haridev on 10/5/23. | ||
| // | ||
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| #ifndef DLIO_PROFILER_ERROR_H | ||
| #define DLIO_PROFILER_ERROR_H | ||
|
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| #endif //DLIO_PROFILER_ERROR_H |
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