add mutli thread press for cube

cube/cube-api/src/cube_cli.cpp

@@ -14,9 +14,9 @@
 
 #include <gflags/gflags.h>
 #include <atomic>
-
+#include <fstream>
+#include <thread>  //NOLINT
 #include "cube/cube-api/include/cube_api.h"
-
 #define TIME_FLAG(flag) \
   struct timeval flag;  \
   gettimeofday(&(flag), NULL);
@@ -28,6 +28,11 @@ DEFINE_uint64(batch, 500, "batch size");
 DEFINE_int32(timeout, 200, "timeout in ms");
 DEFINE_int32(retry, 3, "retry times");
 DEFINE_bool(print_output, false, "print output flag");
+DEFINE_int32(thread_num, 1, "thread num");
+std::atomic<int> g_concurrency(0);
+
+std::vector<uint64_t> time_list;
+std::vector<uint64_t> request_list;
 
 namespace {
 inline uint64_t time_diff(const struct timeval& start_time,
@@ -53,7 +58,7 @@ std::string string_to_hex(const std::string& input) {
   return output;
 }
 
-int run(int argc, char** argv) {
+int run(int argc, char** argv, int thread_id) {
   google::ParseCommandLineFlags(&argc, &argv, true);
 
   CubeAPI* cube = CubeAPI::instance();
@@ -62,13 +67,13 @@ int run(int argc, char** argv) {
     LOG(ERROR) << "init cube api failed err=" << ret;
     return ret;
   }
-
+  /*
     FILE* key_file = fopen(FLAGS_keys.c_str(), "r");
     if (key_file == NULL) {
       LOG(ERROR) << "open key file [" << FLAGS_keys << "] failed";
       return -1;
     }
-
+  */
   std::atomic<uint64_t> seek_counter(0);
   std::atomic<uint64_t> seek_cost_total(0);
   uint64_t seek_cost_max = 0;
@@ -78,14 +83,32 @@ int run(int argc, char** argv) {
   std::vector<uint64_t> keys;
   std::vector<CubeValue> values;
 
-  while (fgets(buffer, 1024, key_file)) {
-    uint64_t key = strtoul(buffer, NULL, 10);
-    keys.push_back(key);
+  std::string line;
+  std::vector<int64_t> key_list;
+  std::ifstream key_file(FLAGS_keys.c_str());
+  while (getline(key_file, line)) {
+    key_list.push_back(std::stoll(line));
+  }
+
+  uint64_t file_size = key_list.size();
+  uint64_t index = 0;
+  uint64_t request = 0;
+
+  while (g_concurrency.load() >= FLAGS_thread_num) {
+  }
+  g_concurrency++;
+
+  while (index < file_size) {
+    // uint64_t key = strtoul(buffer, NULL, 10);
+
+    keys.push_back(key_list[index]);
+    index += 1;
     int ret = 0;
     if (keys.size() > FLAGS_batch) {
       TIME_FLAG(seek_start);
       ret = cube->seek(FLAGS_dict, keys, &values);
       TIME_FLAG(seek_end);
+      request += 1;
       if (ret != 0) {
         LOG(WARNING) << "cube seek failed";
       } else if (FLAGS_print_output) {
@@ -110,7 +133,7 @@ int run(int argc, char** argv) {
       values.clear();
     }
   }
-
+  /*
     if (keys.size() > 0) {
       int ret = 0;
       values.resize(keys.size());
@@ -138,9 +161,12 @@ int run(int argc, char** argv) {
         seek_cost_min = seek_cost;
       }
     }
-  fclose(key_file);
+  */
+  g_concurrency--;
+
+  // fclose(key_file);
 
-  ret = cube->destroy();
+  // ret = cube->destroy();
   if (ret != 0) {
     LOG(WARNING) << "destroy cube api failed err=" << ret;
   }
@@ -150,10 +176,50 @@ int run(int argc, char** argv) {
   LOG(INFO) << "seek cost max = " << seek_cost_max;
   LOG(INFO) << "seek cost min = " << seek_cost_min;
 
+  time_list[thread_id] = seek_cost_avg;
+  request_list[thread_id] = request;
+
   return 0;
 }
 
+int run_m(int argc, char** argv) {
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  int thread_num = FLAGS_thread_num;
+  request_list.resize(thread_num);
+  time_list.resize(thread_num);
+  std::vector<std::thread*> thread_pool;
+  for (int i = 0; i < thread_num; i++) {
+    thread_pool.push_back(new std::thread(run, argc, argv, i));
+  }
+  for (int i = 0; i < thread_num; i++) {
+    thread_pool[i]->join();
+    delete thread_pool[i];
+  }
+  uint64_t sum_time = 0;
+  uint64_t max_time = 0;
+  uint64_t min_time = 1000000;
+  uint64_t request_num = 0;
+  for (int i = 0; i < thread_num; i++) {
+    sum_time += time_list[i];
+    if (time_list[i] > max_time) {
+      max_time = time_list[i];
+    }
+    if (time_list[i] < min_time) {
+      min_time = time_list[i];
+    }
+    request_num += request_list[i];
+  }
+  uint64_t mean_time = sum_time / thread_num;
+  LOG(INFO) << thread_num << " thread seek cost"
+            << " avg = " << std::to_string(mean_time)
+            << " max = " << std::to_string(max_time)
+            << " min = " << std::to_string(min_time);
+  LOG(INFO) << " total_request = " << std::to_string(request_num)
+            << " speed = " << std::to_string(1000000 * thread_num / mean_time)
+            << " query per second";
+}
+
 }  // namespace mcube
 }  // namespace rec
 
-int main(int argc, char** argv) { return ::rec::mcube::run(argc, argv); }
+int main(int argc, char** argv) { return ::rec::mcube::run_m(argc, argv); }