Function set_log_level

dnn/test/gtest_main.cpp:16–32

megdnn::LogLevel min_log_level;

void set_log_level() {
    megdnn::LogLevel level = megdnn::LogLevel::INFO;
    auto setting = std::getenv("MEGDNN_LOG_LEVEL");
    if (setting) {
        if (!strcmp(setting, "INFO")) {
            level = megdnn::LogLevel::INFO;
        } else if (!strcmp(setting, "DEBUG")) {
            level = megdnn::LogLevel::DEBUG;
        } else if (!strcmp(setting, "WARN")) {
            level = megdnn::LogLevel::WARN;
        } else {
            megdnn_assert(!strcmp(setting, "ERROR"));
            level = megdnn::LogLevel::ERROR;
        }
    }
    min_log_level = level;
}

void log_handler(
        megdnn::LogLevel level, const char* file, const char* func, int line,