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GPU: Implement callback to register shared memory regions for GPU DMA #3528

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Merged
davidrohr merged 1 commit into from
May 18, 2020
Merged

GPU: Implement callback to register shared memory regions for GPU DMA #3528

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11 changes: 11 additions & 0 deletions Detectors/TPC/workflow/src/CATrackerSpec.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
#include "Framework/Logger.h"
#include "Framework/CompletionPolicy.h"
#include "Framework/DeviceSpec.h"
#include "Framework/CallbackService.h"
#include "DataFormatsTPC/TPCSectorHeader.h"
#include "DataFormatsTPC/ClusterGroupAttribute.h"
#include "DataFormatsTPC/ClusterNative.h"
Expand Down Expand Up @@ -286,6 +287,16 @@ DataProcessorSpec getCATrackerSpec(ca::Config const& specconfig, std::vector<int
processAttributes->validMcInputs.reset();
}

auto& callbacks = ic.services().get<CallbackService>();
callbacks.set(CallbackService::Id::RegionInfoCallback, [processAttributes](FairMQRegionInfo const& info) {
if (info.size) {
auto& tracker = processAttributes->tracker;
if (tracker->registerMemoryForGPU(info.ptr, info.size)) {
throw std::runtime_error("Error registering memory for GPU");
}
}
});

auto processingFct = [processAttributes, processMC, caClusterer, zsDecoder](ProcessingContext& pc) {
if (processAttributes->readyToQuit) {
return;
Expand Down