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DPL: add profiling policy for message size #10613

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Merged
ktf merged 1 commit into from
Jan 23, 2023
Merged

DPL: add profiling policy for message size #10613

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26 changes: 26 additions & 0 deletions 26 Framework/Core/src/SendingPolicy.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include "Framework/DeviceSpec.h"
#include "Framework/DataRefUtils.h"
#include "Framework/DataProcessingHeader.h"
#include "Headers/DataHeaderHelpers.h"
#include "Framework/Logger.h"
#include "Headers/STFHeader.h"
#include "DeviceSpecHelpers.h"
Expand Down Expand Up @@ -48,6 +49,31 @@ std::vector<SendingPolicy> SendingPolicy::createDefaultPolicies()
} else if (state.droppedMessages < std::numeric_limits<decltype(state.droppedMessages)>::max()) {
state.droppedMessages++;
} }},
SendingPolicy{
.name = "profiling",
.matcher = [](DeviceSpec const&, ConfigContext const&) { return getenv("DPL_DEBUG_MESSAGE_SIZE"); },
.send = [](FairMQDeviceProxy& proxy, fair::mq::Parts& parts, ChannelIndex channelIndex, ServiceRegistryRef registry) {
auto *channel = proxy.getOutputChannel(channelIndex);
auto timeout = 1000;
int count = 0;
for (auto& part : parts) {
auto* dh = o2::header::get<o2::header::DataHeader*>(part->GetData());
if (dh == nullptr) {
// This is a payload.
continue;
}
LOGP(info, "Sent {}/{}/{} for a total of {} bytes", dh->dataOrigin, dh->dataDescription, dh->subSpecification, dh->payloadSize);
count+= dh->payloadSize;
}
LOGP(info, "Sent {} parts for a total of {} bytes", parts.Size(), count);
auto res = channel->Send(parts, timeout);
if (res == (size_t)fair::mq::TransferCode::timeout) {
LOGP(warning, "Timed out sending after {}s. Downstream backpressure detected on {}.", timeout/1000, channel->GetName());
channel->Send(parts);
LOGP(info, "Downstream backpressure on {} recovered.", channel->GetName());
} else if (res == (size_t) fair::mq::TransferCode::error) {
LOGP(fatal, "Error while sending on channel {}", channel->GetName());
} }},
SendingPolicy{
.name = "default",
.matcher = [](DeviceSpec const&, ConfigContext const&) { return true; },
Expand Down
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