mirror of https://github.com/PentHertz/srsLTE.git
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/**
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* @file common_helper.h
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* @brief Common helper functions shared among srsLTE applications.
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*/
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#ifndef SRSLTE_COMMON_HELPER_H
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#define SRSLTE_COMMON_HELPER_H
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#include "srslte/common/logmap.h"
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#include <fstream>
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#include <thread>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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inline void log_args(int argc, char* argv[], std::string service)
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{
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std::ostringstream s1;
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s1 << "Using binary " << argv[0] << " with arguments: ";
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for (int32_t i = 1; i < argc; i++) {
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s1 << argv[i] << " ";
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}
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s1 << std::endl;
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srslte::logmap::get(service)->set_level(srslte::LOG_LEVEL_INFO);
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srslte::logmap::get(service)->info("%s", s1.str().c_str());
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}
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inline void check_scaling_governor(const std::string& device_name)
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{
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if (device_name == "zmq") {
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return;
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}
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int nof_cpus = std::thread::hardware_concurrency();
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for (int cpu = 0; cpu < nof_cpus; ++cpu) {
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char buffer[128];
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snprintf(buffer, sizeof(buffer), "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor", cpu);
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std::ifstream file(buffer);
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if (file.is_open()) {
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std::stringstream ss;
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ss << file.rdbuf();
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if (ss.str().find("performance") == std::string::npos) {
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printf(
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"WARNING: cpu%d scaling governor is not set to performance mode. Realtime processing could be compromised. "
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"Consider setting it to performance mode before running the application.\n",
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cpu);
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break;
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}
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} else {
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printf("WARNING: Could not verify cpu%d scaling governor\n", cpu);
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}
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}
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}
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // SRSLTE_COMMON_HELPER_H
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