C++编写fio测试工具 | C++写脚本，我在发疯

我有病，拿C++写测试工具

仓库地址：https://github.com/1949hacker/studycplusplus

fio.hpp

main.cpp

fio.cpp

长文预警

fio.hpp代码

// fio.hpp
#ifndef FIO_HPP
#define FIO_HPP

// 设置测试参数
void setConfig();

// 创建预读文件
void init_read();

// 顺序写
void fio_seq_write();

// 顺序读
void fio_seq_read();

// 随机写
void fio_rand_write();

// 随机读
void fio_rand_read();

// 随机读写测试
void fio_randrw();

// 输出结果
void runReport();

#endif // FIO_HPP

main.cpp代码

#include "fio.hpp"
#include <ctime>
#include <fstream>
#include <iostream>
#include <memory>
#include <streambuf>
#include <termios.h>
#include <unistd.h>

// Linux/macOS 下的 getch() 实现
int getch() {
  struct termios oldt, newt;
  int ch;
  tcgetattr(STDIN_FILENO, &oldt);
  newt = oldt;
  newt.c_lflag &= ~(ICANON | ECHO);
  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
  ch = getchar();
  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
  return ch;
}

using namespace std;

// 自定义流缓冲区类，将输出内容同时写入控制台和日志文件
class TeeBuf : public streambuf {
public:
  TeeBuf(streambuf *consoleBuf, streambuf *fileBuf)
      : consoleBuf(consoleBuf), fileBuf(fileBuf) {}

protected:
  virtual int overflow(int c) override {
    if (c == EOF) {
      return !EOF;
    } else {
      if (consoleBuf->sputc(c) == EOF)
        return EOF;
      if (fileBuf->sputc(c) == EOF)
        return EOF;
      return c;
    }
  }

  virtual int sync() override {
    if (consoleBuf->pubsync() == -1)
      return -1;
    if (fileBuf->pubsync() == -1)
      return -1;
    return 0;
  }

private:
  streambuf *consoleBuf;
  streambuf *fileBuf;
};

int main() {

  // 日志目录初始化
  int result = system("mkdir -p /var/log/fio_tool");

  if (result == 0) {
    std::cout << "\033[32m日志存储目录 /var/log/fio_tool 已成功创建。\033[0m"
              << std::endl;
  } else {
    std::cerr << "\033[31m创建目录 /var/log/fio_tool "
                 "时出现错误。请检查当前用户的运行权限！\033[0m"
              << std::endl;
    return 0;
  }

  // 获取时间并格式化文件名
  time_t log_time = time(nullptr);
  tm *localTime = localtime(&log_time);
  char timeStr[20];
  strftime(timeStr, sizeof(timeStr), "%Y-%m-%d-%H-%M-%S", localTime);
  string fileName = "/var/log/fio_tool/" + string(timeStr) + ".log";

  // 创建日志文件流
  ofstream logFile(fileName, ios::app);
  if (!logFile) {
    cerr << "\033[31m无法创建日志文件！\033[0m" << endl;
    return 1;
  } else {
    cout << "\033[32m成功创建日志文件：\033[0m" << fileName << endl;
  }

  // 重定向 cout 输出到日志文件和控制台
  TeeBuf teeBuf(cout.rdbuf(), logFile.rdbuf());
  streambuf *originalCoutBuf = cout.rdbuf(&teeBuf);

  cout << "\033[36m欢迎使用fio测试工具\n日志和输出的fio."
          "csv默认保存到/var/log/fio_tool/"
          "\n日志不会自行清除，运行前请自行清理日志文件和检查是否残留有测试文件"
          "\n输出的数据统一为KiB/s单位，iops无单位\n请<按键>"
          "选择你的测试内容：\n"
       << "1. 顺序写测试\n"
       << "2. 随机写测试\n\n\n"
       << "\033[31m-------分割线-------\n"
       << "进行读测试之前需要先创建预读文件，固定为测试路径下的init_read.[0-15]"
       << ".0共16个文件\n"
       << "请自行根据测试情况判断是否需要重新生成，如需重新生成，请删除后按<r>"
       << "进行预读文件创建\n"
       << "如无需创建预读文件则直接按键开始测试即可！\n\n"
       << "测试完成后记得清理干净测试残留的文件和日志文件\n"
       << "-------分割线-------\033[36m\n\n\n"
       << "3. 顺序读测试\n"
       << "4. 随机读测试\n"
       << "5. 4k随机50%混合读写测试\n"
       << "r. 创建预读文件\n"
       << "f. Fullauto全自动测试"
       << "q. 退出程序\n"
       << "s. 你想骚一下？\033[0m" << endl;

  char choice;
  while (true) {
    choice = getch(); // Linux/macOS 下使用自定义 getch()

    cout << choice << endl; // 打印选项
    switch (choice) {
    case '1':
      setConfig();
      fio_seq_write();
      return 0;
    case '2':
      setConfig();
      fio_rand_write();
      return 0;
    case '3':
      setConfig();
      fio_seq_read();
      return 0;
    case '4':
      setConfig();
      fio_rand_read();
      return 0;
    case '5':
      setConfig();
      fio_randrw();
      return 0;
    case 'r':
      setConfig();
      init_read();
      return 0;
    case 'f':
      setConfig();
      fio_seq_write();
      fio_rand_write();
      init_read();
      fio_seq_read();
      fio_rand_read();
      fio_randrw();
      return 0;
    case 'q':
      cout << "程序已退出。" << endl;
      return 0;
    case 's':
      while (true) {
        cout << "骚个鸡儿啊，正事儿不干？我不懒得写炸机代码？" << endl;
      }
      return 0;
    default:
      cout << "\033[31m无效选项，请重新输入。\033[0m" << endl;
    }
  }

  // 恢复 cout 的原始缓冲区
  cout.rdbuf(originalCoutBuf);

  return 0;
}

fio.cpp代码

#include <array>
#include <cstdlib>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <regex>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>

using namespace std;

// 全局参数
int bwMin, bwMax, bwAvg, iopsMin, iopsMax, iopsAvg, bw[] = {0, 0, 0, 0, 0, 0},
                                                    iops[] = {0, 0, 0, 0, 0, 0};
string dir, fsize, ioengine, name, fio_cmd, runtime, direct, line;
stringstream fio_output;
vector<vector<string>> run_report;
vector<string> row;
vector<int> values, bw_int, iops_int;

// 参数设置
void setConfig() {
  cout << "\033[36m测试路径（完整输入，带/结尾，如/mnt/iotest/）：";
  cin >> dir;
  cout << "测试文件大小，需要略大于内存大小，仅输入数字单位为G，size=";
  cin >> fsize;
  cout << "运行时长，至少30秒，仅输入数字单位为秒，runtime=";
  cin >> runtime;
  cout << "io测试引擎，Linux（NAS）输入libaio，ioengine=";
  cin >> ioengine;
  cout << "设置是否经过系统缓存，1不缓存，0操作系统缓存，direct=\033[0m";
  cin >> direct;
}

// 删除测试文件
void rm_file(string name) {
  string rm_command = "rm -rf " + dir + name;
  system(rm_command.c_str()); // 删除 /iopsTest 目录下的所有文件
  cout << "\033[32m临时文件已删除\033[0m" << endl;
}

void run_cmd(const string &cmd) {
  // 重置变量
  fio_output.str("");
  fio_output.clear();

  FILE *fp = popen(cmd.c_str(), "r");
  if (fp == nullptr) {
    cerr << "\033[31mError opening pipe!\033[0m" << endl;
    return;
  }

  // 从fio输出中获取数据
  char buffer[128];
  while (fgets(buffer, sizeof(buffer), fp) != nullptr) {
    fio_output << buffer;
  }
  fclose(fp);

  // DEBUG:显示fio的输出内容
  // cout << fio_output.str();
}

// 分析fio输出
void format(const int &i) {

  vector<string> bw_num, iops_num;

  while (getline(fio_output, line)) {
    if (line.find("samples") != string::npos) {
      cout << "\033[32;1m筛选成功，原始数据：\033[0m" << line << endl;
      if (line.find("bw ") != string::npos) {
        if (line.find("MiB/s") != string::npos) {
          cout << "\033[32;1m检测到单位MiB/s，将转换为KiB/s\033[0m" << endl;
          // 提取带宽数字
          regex bw_regex(R"(\d+\.\d+|\d+)");
          smatch match;
          while (regex_search(line, match, bw_regex)) {
            // 检测到单位是MiB，则转换为KiB
            float bw_value_kib = stof(match.str());
            bw_value_kib *= 1024;
            int bw_value_bytes = static_cast<int>(bw_value_kib); // 转为整数
            bw_num.push_back(to_string(bw_value_bytes));
            line = match.suffix();
          }
        } else if (line.find("KiB/s") != string::npos) {
          cout << "\033[32;1m检测到单位KiB/s，直接提取\033[0m" << endl;
          // 提取带宽数字
          regex bw_regex(R"(\d+\.\d+|\d+)");
          smatch match;
          while (regex_search(line, match, bw_regex)) {
            bw_num.push_back(match.str());
            line = match.suffix();
          }
        }
      }
      if (line.find("iops") != string::npos) {
        // 提取IOPS数字
        regex iops_regex(R"(\d+\.\d+|\d+)");
        smatch match;
        while (regex_search(line, match, iops_regex)) {
          iops_num.push_back(match.str());
          line = match.suffix();
        }
      }
    }
  }
  // 转换为整数
  for (const string &s : bw_num) {
    bw_int.push_back(static_cast<int>(stof(s)));
  }
  for (const string &s : iops_num) {
    iops_int.push_back(static_cast<int>(stof(s)));
  }

  // DEBUG: 检查原始数据是否正常
  // for (int a : bw_int) {
  //   cout << "bw:" << a << endl;
  // }
  // for (int a : iops_int) {
  //   cout << "iops:" << a << endl;
  // }

  if (bw_int.size() > 7) {
    // 混合读写
    cout << "\033[32;1m" << name << " | 第" << i << "次带宽运行<读>结果:"
         << "min:" << bw_int[0] << "KiB/s max:" << bw_int[1]
         << "KiB/s avg:" << bw_int[3] << "KiB/s\n"
         << name << " | 第" << i << "次次IOPS运行<读>结果:"
         << "min:" << iops_int[0] << " max:" << iops_int[1]
         << " avg:" << iops_int[2] << endl;
    cout << name << " | 第" << i << "次带宽运行<写>结果:"
         << "min:" << bw_int[6] << "KiB/s max:" << bw_int[7]
         << "KiB/s avg:" << bw_int[9] << "KiB/s\n"
         << name << " | 第" << i << "次次IOPS运行<写>结果:"
         << "min:" << iops_int[5] << " max:" << iops_int[6]
         << " avg:" << iops_int[7] << "\033[0m" << endl;
    // 整理带宽和IOPS数据
    bw[0] += bw_int[0];
    bw[1] += bw_int[1];
    bw[2] += bw_int[3];
    bw[3] = bw_int[6];
    bw[4] += bw_int[7];
    bw[5] += bw_int[9];
    iops[0] += iops_int[0];
    iops[1] += iops_int[1];
    iops[2] += iops_int[2];
    iops[3] += iops_int[5];
    iops[4] += iops_int[6];
    iops[5] += iops_int[7];
  } else {
    cout << "\033[32;1m" << name << " | 第" << i << "次带宽运行结果:"
         << "min:" << bw_int[0] << "KiB/s max:" << bw_int[1]
         << "KiB/s avg:" << bw_int[3] << "KiB/s\n"
         << name << " | 第" << i << "次次IOPS运行结果:"
         << "min:" << iops_int[0] << " max:" << iops_int[1]
         << " avg:" << iops_int[2] << "\033[0m" << endl;
    // 整理带宽和IOPS数据
    bw[0] += bw_int[0];
    bw[1] += bw_int[1];
    bw[2] += bw_int[3];
    iops[0] += iops_int[0];
    iops[1] += iops_int[1];
    iops[2] += iops_int[2];
  }
}

void fio_sum(const string &name) {

  if (bw[3] != 0) {
    // 针对混合读写处理
    //  计算最小、最大和平均值
    int RbwMin = bw[0] / 3;
    int RbwMax = bw[1] / 3;
    int RbwAvg = bw[2] / 3;
    int RiopsMin = iops[0] / 3;
    int RiopsMax = iops[1] / 3;
    int RiopsAvg = iops[2] / 3;
    int WbwMin = bw[3] / 3;
    int WbwMax = bw[4] / 3;
    int WbwAvg = bw[5] / 3;
    int WiopsMin = iops[3] / 3;
    int WiopsMax = iops[4] / 3;
    int WiopsAvg = iops[5] / 3;
    // 将结果存储到数据表中，第一列是 名称，后面是6个值
    values = {RbwMin, RbwMax, RbwAvg, RiopsMin, RiopsMax, RiopsAvg,
              WbwMin, WbwMax, WbwAvg, WiopsMin, WiopsMax, WiopsAvg};
    row = {name};
    for (int val : values) {
      row.push_back(to_string(val)); // 将每个值转换为字符串并添加到行中
    }
    run_report.push_back(row); // 将这行添加到数据中
  } else {
    // 计算最小、最大和平均值
    int bwMin = bw[0] / 3;
    int bwMax = bw[1] / 3;
    int bwAvg = bw[2] / 3;
    int iopsMin = iops[0] / 3;
    int iopsMax = iops[1] / 3;
    int iopsAvg = iops[2] / 3;
    // 将结果存储到数据表中，第一列是 名称，后面是6个值
    values = {bwMin, bwMax, bwAvg, iopsMin, iopsMax, iopsAvg};
    row = {name};
    for (int val : values) {
      row.push_back(to_string(val)); // 将每个值转换为字符串并添加到行中
    }
    run_report.push_back(row); // 将这行添加到数据中
    // 重置
    values.clear();
    row.clear();
  }

  // 重置数据
  fill(begin(bw), end(bw), 0);
  fill(begin(iops), end(iops), 0);
}

void runReport() {

  // 打开文件用于追加写入
  ofstream outputFile("/var/log/fio_tool/fio.csv", ios::app);

  if (outputFile.is_open()) {
    // 如果文件为空，先写入表头（假设表头只在文件为空时写入一次）
    if (outputFile.tellp() == 0) {
      outputFile
          << "测试类型,带宽最小值,带宽最大值,带宽均值,IOPS最小值,"
             "IOPS最大值,IOPS均值,写带宽最小值,写带宽最大值,写带宽均值,"
             "写IOPS最小值,"
             "写IOPS最大值,写IOPS均值,(前6列数据在混合读写中作为读的数据)"
          << endl;
    }

    for (const auto &row : run_report) {
      for (const auto &cell : row) {
        outputFile << cell << ",";
      }
      outputFile << endl;
    }

    // 关闭文件
    outputFile.close();

    cout << "\033[32;1m数据已成功追加到fio.csv文件。\033[0m" << endl;
  } else {
    cerr << "\033[31;1m无法打开fio.csv文件进行追加写入。\033[0m" << endl;
  }
  cout << "\033[32;1m已重置run_report\033[0m" << endl;
  // 重置run_report
  run_report.clear();
}

// ---创建预读文件 start---
void init_read() {
  cout << "\033[32;1m预读文件的大小与测试文件一致，自动从之前的测试中获取\033["
          "0m\n";
  cout << "\033[31;1m正在为读取测试创建预读文件，请稍后..."
          "\n创建完毕后会出现提示，创建的文件数量为最大numjobs数量：16个，每个"
          "大小为" +
              fsize + "G"
       << "\033[0m" << endl;
  fio_cmd = "fio -name=init_read -size=" + fsize +
            "G -bs=1m -direct=1 -rw=write -ioengine=" + ioengine +
            " -numjobs=16 -group_reporting -iodepth=1 -directory=" + dir;
  run_cmd(fio_cmd);
  cout << "\033[32;"
          "1m预读文件创建完毕！！！\n预读文件创建完毕！！！\n预读文件创建完毕！"
          "！"
          "！\n\033[0m"
       << endl;
}
// ---创建预读文件 end---

// --- 顺序写start ---
void fio_seq_write() {
  // 重置数据
  bw_int.clear();
  iops_int.clear();
  // 文件
  cout << "\033[31;1m顺序写测试，共计50项，每项3次，每次 " << runtime
       << " 秒，共计 " << to_string((stoi(runtime) + 5) * 50 * 3) << " 秒，约 "
       << setprecision(2) << fixed
       << (double)(stoi(runtime) + 5) * 50 * 3 / 60 / 60
       << " 小时\n进行中...\033[0m" << endl;

  // 文件/文件夹
  string DorF[] = {"filename", "directory"};
  for (string dorf : DorF) {
    if (dorf.find("file") != string::npos) { // 如果是单文件

      // numjobs=1
      string numjobs[] = {"1"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=512/1024
        string bs_group[] = {"512", "1024"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "write";
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            // 重复运行3次
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "fio -name=" + name + " -size=" + fsize +
                        "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                        "k -direct=" + direct + " -rw=" + rw +
                        " -ioengine=" + ioengine + " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + to_string(i);
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
              rm_file(to_string(i)); //"rm -rf " + dir + ? rm -rf /mnt/?
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    } else if (dorf.find("directory") != string::npos) {
      // numjobs=8/16
      string numjobs[] = {"8", "16"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"128", "256", "512", "1024"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            string rw = "write";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "mkdir -p " + dir + "dir_" + to_string(i) + "/" +
                        " && fio -name=" + name + " -size=" + fsize +
                        "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                        "k -direct=" + direct + " -rw=" + rw +
                        " -ioengine=" + ioengine + " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + "dir_" + to_string(i) + "/";
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
              rm_file("dir_" + to_string(i));
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    }
  }
}
// --- 顺序写end ---

// --- 顺序读start ---
void fio_seq_read() {
  // 重置数据
  bw_int.clear();
  iops_int.clear();
  // 文件
  cout << "\033[31;1m顺序读测试，共计50项，每项3次，每次预热5秒，每次测试" +
              runtime + "秒，共计" + to_string((stoi(runtime) + 5) * 50 * 3) +
              "秒，约 "
       << setprecision(2) << fixed
       << (double)(stoi(runtime) + 5) * 50 * 3 / 60 / 60
       << "小时\n进行中...\033[0m" << endl;

  // 文件/文件夹
  string DorF[] = {"filename", "directory"};
  for (string dorf : DorF) {
    if (dorf.find("file") != string::npos) { // 如果是单文件

      // numjobs=1
      string numjobs[] = {"1"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=512/1024
        string bs_group[] = {"512", "1024"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            string rw = "read";
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            // 重复运行3次
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "echo 3 > /proc/sys/vm/drop_caches && fio "
                        "-name=init_read -size=" +
                        fsize + "G -runtime=" + runtime +
                        "s -time_base -bs=" + bs + "k -direct=" + direct +
                        " -rw=" + rw + " -ioengine=" + ioengine +
                        " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + "init_read.0.0";
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    } else if (dorf.find("directory") != string::npos) {
      // numjobs=8/16
      string numjobs[] = {"8", "16"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"128", "256", "512", "1024"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "read";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "echo 3 > /proc/sys/vm/drop_caches && fio "
                        "-name=init_read -size=" +
                        fsize + "G -runtime=" + runtime +
                        "s -time_base -bs=" + bs + "k -direct=" + direct +
                        " -rw=" + rw + " -ioengine=" + ioengine +
                        " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir;
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    }
  }
}
// --- 顺序读end ---

// --- 随机读start ---
void fio_rand_read() {
  // 重置数据
  bw_int.clear();
  iops_int.clear();
  // 文件
  cout << "\033[31;1m随机读测试，共计15项，每项3次，每次预热5秒，每次测试" +
              runtime + "秒，共计" + to_string((stoi(runtime) + 5) * 15 * 3) +
              "秒，约 "
       << setprecision(2) << fixed
       << (double)(stoi(runtime) + 5) * 15 * 3 / 60 / 60
       << "小时\n进行中...\033[0m" << endl;
  // 文件/文件夹
  string DorF[] = {"filename", "directory"};
  for (string dorf : DorF) {
    if (dorf.find("file") != string::npos) { // 如果是单文件

      // numjobs=1
      string numjobs[] = {"1"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=512/1024
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            string rw = "randread";
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            // 重复运行3次
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd =
                  "echo 3 > /proc/sys/vm/drop_caches && fio "
                  "-name=init_read -size=" +
                  fsize + "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                  "k -direct=" + direct + " -rw=" + rw +
                  " -ioengine=" + ioengine + " -numjobs=" + numjob +
                  " -group_reporting -ramp_time=5 -readrepeat=0 -iodepth=" +
                  iodepth + " -" + dorf + "=" + dir + "init_read.0.0";
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    } else if (dorf.find("directory") != string::npos) {
      // numjobs=8/16
      string numjobs[] = {"8", "16"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "randread";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd =
                  "echo 3 > /proc/sys/vm/drop_caches && fio "
                  "-name=init_read -size=" +
                  fsize + "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                  "k -direct=" + direct + " -rw=" + rw +
                  " -ioengine=" + ioengine + " -numjobs=" + numjob +
                  " -group_reporting -ramp_time=5 -readrepeat=0 -iodepth=" +
                  iodepth + " -" + dorf + "=" + dir;
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    }
  }
}
// --- 随机读end ---

// --- 随机写开始 ---
void fio_rand_write() {
  // 重置数据
  bw_int.clear();
  iops_int.clear();
  cout << "\033[31;1m随机写测试，共计15项，每项3次，每次预热5秒，每次测试" +
              runtime + "秒，共计" + to_string((stoi(runtime) + 5) * 15 * 3) +
              "秒，约 "
       << setprecision(2) << fixed
       << (double)(stoi(runtime) + 5) * 15 * 3 / 60 / 60
       << "小时\n进行中...\033[0m" << endl;
  // 文件/文件夹
  string DorF[] = {"filename", "directory"};
  for (string dorf : DorF) {
    if (dorf.find("file") != string::npos) { // 如果是单文件
                                             // numjobs=8/16
      string numjobs[] = {"1"};              // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "randwrite";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "fio -name=" + name + " -size=" + fsize +
                        "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                        "k -direct=" + direct + " -rw=" + rw +
                        " -ioengine=" + ioengine + " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + to_string(i);
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
              rm_file(to_string(i));
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    } else if (dorf.find("directory") != string::npos) {
      // numjobs=8/16
      string numjobs[] = {"8", "16"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "randwrite";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "mkdir -p " + dir + "dir_" + to_string(i) + "/" +
                        " && fio -name=" + name + " -size=" + fsize +
                        "G -runtime=" + runtime + "s -time_base -bs=" + bs +
                        "k -direct=" + direct + " -rw=" + rw +
                        " -ioengine=" + ioengine + " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + "dir_" + to_string(i) + "/";
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
              rm_file("dir_" + to_string(i));
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    }
  }
}
// --- 随机写结束 ---

// --- 4k随机读写开始 ---
void fio_randrw() {
  // 重置数据
  bw_int.clear();
  iops_int.clear();
  // 文件
  cout << "\033[31;1m50%随机读写测试，共计15项，每项3次，每次" + runtime +
              "秒，共计" + to_string((stoi(runtime) + 5) * 15 * 3) + "秒，约"
       << setprecision(2) << fixed
       << (double)(stoi(runtime) + 5) * 15 * 3 / 60 / 60
       << "小时\n进行中...\033[0m" << endl;
  // 文件/文件夹
  string DorF[] = {"filename", "directory"};
  for (string dorf : DorF) {
    if (dorf.find("file") != string::npos) { // 如果是单文件
                                             // numjobs=8/16
      string numjobs[] = {"8", "16"};        // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "randrw";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "echo 3 > /proc/sys/vm/drop_caches && fio "
                        "-name=init_read -size=" +
                        fsize + "G -runtime=" + runtime +
                        "s -time_base -bs=" + bs + "k -direct=" + direct +
                        " -rw=" + rw + " -ioengine=" + ioengine +
                        " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir + "init_read.0.0";
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    } else if (dorf.find("directory") != string::npos) {
      // numjobs=8/16
      string numjobs[] = {"8", "16"}; // 用数组配置numjobs
      for (string numjob : numjobs) {
        // bs=4k
        string bs_group[] = {"4"}; // 用数组配置bs块大小
        for (string bs : bs_group) {
          string iodepth_group[] = {"1", "2", "8", "16",
                                    "32"}; // 用数组配置iodepth循环
          // iodepth=1/2/8/16/32
          for (string iodepth : iodepth_group) {
            // 先写后读
            string rw = "randrw";
            // 重复运行3次
            name = rw + "_" + dorf + "_numjobs=" + numjob +
                   "_iodepth=" + iodepth + "_bs=" + bs + "k";
            for (int i = 1; i <= 3; i++) {
              // 构建文件夹fio命令
              fio_cmd = "echo 3 > /proc/sys/vm/drop_caches && fio "
                        "-name=init_read -size=" +
                        fsize + "G -runtime=" + runtime +
                        "s -time_base -bs=" + bs + "k -direct=" + direct +
                        " -rw=" + rw + " -ioengine=" + ioengine +
                        " -numjobs=" + numjob +
                        " -group_reporting -ramp_time=5 -iodepth=" + iodepth +
                        " -" + dorf + "=" + dir;
              // 输出本次运行的命令以便排障
              cout << "\033[36;1m第" << i << "次运行的命令是：" << fio_cmd
                   << "\033[0m" << endl;
              run_cmd(fio_cmd);
              format(i);
              // 重置数据
              bw_int.clear();
              iops_int.clear();
            }
            fio_sum(name);
          }
          runReport();
        }
      }
    }
  }
}
// --- 4k随机读写结束 ---