Esempio n. 1
0
void Config::recordQueryPerformance(const std::string& name,
                                    size_t delay,
                                    size_t size,
                                    const Row& r0,
                                    const Row& r1) {
  // Grab a lock on the schedule structure and check the name.
  ConfigDataInstance config;
  if (config.schedule().count(name) == 0) {
    // Unknown query schedule name.
    return;
  }

  // Grab access to the non-const schedule item.
  auto& query = getInstance().data_.schedule.at(name);
  auto diff = strtol(r1.at("user_time").c_str(), nullptr, 10) -
              strtol(r0.at("user_time").c_str(), nullptr, 10);
  query.user_time += diff;
  diff = strtol(r1.at("system_time").c_str(), nullptr, 10) -
         strtol(r0.at("system_time").c_str(), nullptr, 10);
  query.system_time += diff;
  diff = strtol(r1.at("resident_size").c_str(), nullptr, 10) -
         strtol(r0.at("resident_size").c_str(), nullptr, 10);
  // Memory is stored as an average of BSS changes between query executions.
  query.memory =
      (query.memory * query.executions + diff) / (query.executions + 1);
  query.wall_time += delay;
  query.output_size += size;
  query.executions += 1;
}
Esempio n. 2
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void SchedulerRunner::start() {
  time_t t = std::time(nullptr);
  struct tm* local = std::localtime(&t);
  unsigned long int i = local->tm_sec;
  for (; (timeout_ == 0) || (i <= timeout_); ++i) {
    {
      ConfigDataInstance config;
      for (const auto& query : config.schedule()) {
        if (i % query.second.splayed_interval == 0) {
          launchQuery(query.first, query.second);
        }
      }
    }
    // Put the thread into an interruptible sleep without a config instance.
    osquery::interruptableSleep(interval_ * 1000);
  }
}
Esempio n. 3
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void Config::recordQueryPerformance(const std::string& name,
                                    size_t delay,
                                    size_t size,
                                    const Row& r0,
                                    const Row& r1) {
  // Grab a lock on the schedule structure and check the name.
  ConfigDataInstance config;
  if (config.schedule().count(name) == 0) {
    // Unknown query schedule name.
    return;
  }

  // Grab access to the non-const schedule item.
  auto& query = getInstance().data_.schedule.at(name);
  auto diff = AS_LITERAL(BIGINT_LITERAL, r1.at("user_time")) -
              AS_LITERAL(BIGINT_LITERAL, r0.at("user_time"));
  if (diff > 0) {
    query.user_time += diff;
  }

  diff = AS_LITERAL(BIGINT_LITERAL, r1.at("system_time")) -
         AS_LITERAL(BIGINT_LITERAL, r0.at("system_time"));
  if (diff > 0) {
    query.system_time += diff;
  }

  diff = AS_LITERAL(BIGINT_LITERAL, r1.at("resident_size")) -
         AS_LITERAL(BIGINT_LITERAL, r0.at("resident_size"));
  if (diff > 0) {
    // Memory is stored as an average of RSS changes between query executions.
    query.average_memory = (query.average_memory * query.executions) + diff;
    query.average_memory = (query.average_memory / (query.executions + 1));
  }

  query.wall_time += delay;
  query.output_size += size;
  query.executions += 1;
}
Esempio n. 4
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TEST_F(ConfigTests, test_queries_execute) {
  ConfigDataInstance config;
  EXPECT_EQ(config.schedule().size(), 3);
}