Function InitProfile

be/src/benchmarks/runtime-profile-benchmark.cc:51–79

Initialise *profile to a synthetic profile stored in 'profile_pool'. The tree should have the provided depth and fanout.

// Initialise *profile to a synthetic profile stored in 'profile_pool'.
// The tree should have the provided depth and fanout.
void InitProfile(int depth, int fanout, RuntimeProfile** profile) {
  *profile = RuntimeProfile::Create(&profile_pool, Substitute("level$0", depth));
  // Profiles tend to mainly have regular counters.
  const int NUM_REGULAR_COUNTERS = 20;
  // Include a smaller number of other profile items.
  const int NUM_OTHER_ITEMS = 5;
  for (int i = 0; i < NUM_REGULAR_COUNTERS; ++i) {
    (*profile)->AddCounter(Substitute("counter$0", i), TUnit::NONE);
  }
  RuntimeProfile::EventSequence* seq = (*profile)->AddEventSequence("timeline");
  for (int i = 0; i < NUM_OTHER_ITEMS; ++i) {
    (*profile)->AddInfoString(Substitute("info$0", i), Substitute("val$0", i));
    seq->MarkEvent(Substitute("event$0", i));
    RuntimeProfile::SummaryStatsCounter* stats =
        (*profile)->AddSummaryStatsCounter(Substitute("stats$0", i), TUnit::BYTES);
    stats->UpdateCounter(1);
    stats->UpdateCounter(2);
    stats->UpdateCounter(3);

    // Do not add time series or sampling counters, those are tricky to mock because they
    // are usually updated by a background thread.
  }
  if (depth == 0) return;
  for (int i = 0; i < fanout; ++i) {
    RuntimeProfile* child_profile;
    InitProfile(depth - 1, fanout, &child_profile);
    (*profile)->AddChild(child_profile, /*indent=*/ i % 2 == 0);
  }
}

void ToThriftBenchmark(int batch_size, void* dummy) {
  for (int i = 0; i < batch_size; ++i) {