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More fixes to latency tests [6344] #713

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Sep 17, 2019
Merged

More fixes to latency tests [6344] #713

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12 changes: 7 additions & 5 deletions test/performance/LatencyTestPublisher.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -528,8 +528,10 @@ void LatencyTestPublisher::DataSubListener::onNewDataMessage(Subscriber* subscri
subscriber->takeNextData((void*)mp_up->m_DynData_in,&mp_up->m_sampleinfo);
if (mp_up->m_DynData_in->get_uint32_value(0) == mp_up->m_DynData_out->get_uint32_value(0))
{
// Factor of 2 below is to calculate the roundtrip divided by two. Note that the overhead does not
// need to be halved, as we access the clock twice per round trip
mp_up->t_end_ = std::chrono::steady_clock::now();
mp_up->times_.push_back(std::chrono::duration<double, std::micro>(mp_up->t_end_ - mp_up->t_start_) - mp_up->t_overhead_);
mp_up->times_.push_back(std::chrono::duration<double, std::micro>(mp_up->t_end_ - mp_up->t_start_) / 2. - mp_up->t_overhead_);
mp_up->n_received++;

// Reset seqnum from out data
Expand All @@ -550,7 +552,7 @@ void LatencyTestPublisher::DataSubListener::onNewDataMessage(Subscriber* subscri
if(mp_up->mp_latency_in->seqnum == mp_up->mp_latency_out->seqnum)
{
mp_up->t_end_ = std::chrono::steady_clock::now();
mp_up->times_.push_back(std::chrono::duration<double, std::micro>(mp_up->t_end_ - mp_up->t_start_) - mp_up->t_overhead_);
mp_up->times_.push_back(std::chrono::duration<double, std::micro>(mp_up->t_end_ - mp_up->t_start_) / 2. - mp_up->t_overhead_);
mp_up->n_received++;

// Reset seqnum from out data
Expand Down Expand Up @@ -759,9 +761,9 @@ void LatencyTestPublisher::analyzeTimes(uint32_t datasize)
TimeStats TS;
TS.nbytes = datasize + 4;
TS.received = n_received;
TS.m_min = *std::min_element(times_.begin(), times_.end()) / 2.;
TS.m_max = *std::max_element(times_.begin(), times_.end()) / 2.;
TS.mean = std::accumulate(times_.begin(), times_.end(), std::chrono::duration<double, std::micro>(0)).count() / times_.size() / 2.;
TS.m_min = *std::min_element(times_.begin(), times_.end());
TS.m_max = *std::max_element(times_.begin(), times_.end());
TS.mean = std::accumulate(times_.begin(), times_.end(), std::chrono::duration<double, std::micro>(0)).count() / times_.size();

double auxstdev = 0;
for (std::vector<std::chrono::duration<double, std::micro>>::iterator tit = times_.begin(); tit != times_.end(); ++tit)
Expand Down