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Add signposts for AOD reader state transitions #15726

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33 changes: 30 additions & 3 deletions Framework/AnalysisSupport/src/AODJAlienReaderHelpers.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
#include "Framework/RawDeviceService.h"
#include "Framework/DataSpecUtils.h"
#include "Framework/MessageContext.h"
#include "Framework/Signpost.h"
#include "Framework/StringContext.h"
#include "Framework/ConfigContext.h"
#include "DataInputDirector.h"
Expand All @@ -60,6 +61,8 @@
using namespace o2;
using namespace o2::aod;

O2_DECLARE_DYNAMIC_LOG(aod_reader);

struct RuntimeWatchdog {
int numberTimeFrames;
uint64_t startTime;
Expand Down Expand Up @@ -288,6 +291,30 @@ AlgorithmSpec AODJAlienReaderHelpers::rootFileReaderCallback(ConfigContext const
INVALID_TIMEFRAME,
};
auto readState = TFReaderState::READ_FIRST_TABLE;
[[maybe_unused]] auto stateName = [](TFReaderState state) -> char const* {
switch (state) {
case TFReaderState::READ_FIRST_TABLE:
return "READ_FIRST_TABLE";
case TFReaderState::READ_FIRST_TABLE_FROM_NEXT_FILE:
return "READ_FIRST_TABLE_FROM_NEXT_FILE";
case TFReaderState::READ_NEXT_TABLE:
return "READ_NEXT_TABLE";
case TFReaderState::TRY_NEXT_FILE:
return "TRY_NEXT_FILE";
case TFReaderState::TIMEFRAME_READ:
return "TIMEFRAME_READ";
case TFReaderState::INVALID_TIMEFRAME:
return "INVALID_TIMEFRAME";
}
return "UNKNOWN";
};
O2_SIGNPOST_ID_FROM_POINTER(readerStateId, aod_reader, &readState);
auto transitionTo = [&](TFReaderState nextState) {
O2_SIGNPOST_EVENT_EMIT(aod_reader, readerStateId, "state transition",
"%{public}s -> %{public}s (fileCounter %d, timeFrame %d)",
stateName(readState), stateName(nextState), fcnt, ntf);
readState = nextState;
};
size_t routeIndex = 0;
auto reportTimeframe = [&didir, &fcnt, &ntf, &outputs, &TFNumberHeader, &TFFileNameHeader, reportTFN, reportTFFileName](header::DataHeader const& dh) {
if (reportTFN) {
Expand Down Expand Up @@ -347,11 +374,11 @@ AlgorithmSpec AODJAlienReaderHelpers::rootFileReaderCallback(ConfigContext const
while (readState != TFReaderState::TIMEFRAME_READ) {
switch (readState) {
case TFReaderState::READ_FIRST_TABLE:
readState = tryReadTable(readState);
transitionTo(tryReadTable(readState));
break;
case TFReaderState::READ_FIRST_TABLE_FROM_NEXT_FILE:
case TFReaderState::READ_NEXT_TABLE:
readState = tryReadTable(readState);
transitionTo(tryReadTable(readState));
if (readState == TFReaderState::TRY_NEXT_FILE) {
// Once a file has been selected, every requested table must exist.
auto concrete = DataSpecUtils::asConcreteDataMatcher(requestedTables[routeIndex].matcher);
Expand All @@ -371,7 +398,7 @@ AlgorithmSpec AODJAlienReaderHelpers::rootFileReaderCallback(ConfigContext const
}
ntf = 0;
routeIndex = 0;
readState = TFReaderState::READ_FIRST_TABLE_FROM_NEXT_FILE;
transitionTo(TFReaderState::READ_FIRST_TABLE_FROM_NEXT_FILE);
break;
case TFReaderState::INVALID_TIMEFRAME:
return;
Expand Down
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