Please consider the following formatting changes to #12553

Framework/Core/include/Framework/DeviceState.h

@@ -59,9 +59,11 @@ struct DeviceState {
 
   enum LogStreams : int {
     NO_LOG = 0,
-    DEVICE_LOG = 1 << 0,             // Log for Data Processing Device activities.
-    COMPLETION_LOG = 1 << 1,         // Log for the completion policy of the device.
-    MONITORING_SERVICE_LOG = 1 << 2, // Log for the monitoring service flushing.
+    DEVICE_LOG = 1 << 0,                 // Log for Data Processing Device activities.
+    COMPLETION_LOG = 1 << 1,             // Log for the completion policy of the device.
+    MONITORING_SERVICE_LOG = 1 << 2,     // Log for the monitoring service flushing.
+    DATA_PROCESSOR_CONTEXT_LOG = 1 << 3, // Log for the DataProcessorContext callbacks
+    STREAM_CONTEXT_LOG = 1 << 4,         // Log for the StreamContext callbacks
   };
 
   std::vector<InputChannelInfo> inputChannelInfos;

Framework/Core/src/CommonServices.cxx

@@ -57,6 +57,7 @@
 #include <Configuration/ConfigurationInterface.h>
 #include <Configuration/ConfigurationFactory.h>
 #include <Monitoring/MonitoringFactory.h>
+#include "Framework/Signpost.h"
 
 #include <fairmq/Device.h>
 #include <fairmq/shmem/Monitor.h>
@@ -79,6 +80,9 @@ using Value = o2::monitoring::tags::Value;
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wpedantic"
 
+O2_DECLARE_DYNAMIC_LOG(data_processor_context);
+O2_DECLARE_DYNAMIC_LOG(stream_context);
+
 namespace o2::framework
 {
 
@@ -188,6 +192,8 @@ o2::framework::ServiceSpec CommonServices::streamContextSpec()
         }
       }
       if (didCreate == false && messageContext.didDispatch() == true) {
+        O2_SIGNPOST_ID_FROM_POINTER(cid, stream_context, service);
+        O2_SIGNPOST_EVENT_EMIT(stream_context, cid, "postProcessingCallbacks", "Data created out of band");
         LOGP(debug, "Data created out of band");
         return;
       }

Framework/Core/src/DataProcessingContext.cxx

@@ -10,145 +10,144 @@
 // or submit itself to any jurisdiction.
 
 #include "Framework/DataProcessingContext.h"
+#include "Framework/DataProcessorSpec.h"
+#include "Framework/Signpost.h"
 
+O2_DECLARE_DYNAMIC_LOG(data_processor_context);
 namespace o2::framework
 {
+
+namespace
+{
+template <typename T, typename... ARGS>
+void invokeAll(T& handles, char const* callbackName, o2::framework::DataProcessorSpec* spec, ARGS&... args)
+{
+  assert(callbackName);
+  O2_SIGNPOST_ID_FROM_POINTER(dpid, data_processor_context, spec);
+  // FIXME: for now spec is nullptr because we don't have a list of possible DataProcessorSpecs
+  // per device.
+  char const* dataProcessorName = spec ? spec->name.c_str() : "DataProcessorContext";
+  O2_SIGNPOST_START(data_processor_context, dpid, "callbacks", "Starting %{public}s::%{public}s", dataProcessorName, callbackName);
+  for (auto& handle : handles) {
+    O2_SIGNPOST_ID_FROM_POINTER(cid, data_processor_context, handle.service);
+    O2_SIGNPOST_START(data_processor_context, cid, "callbacks", "Starting %{public}s::%{public}s::%{public}s", dataProcessorName, handle.spec.name.c_str(), callbackName);
+    handle.callback(args..., handle.service);
+    O2_SIGNPOST_END(data_processor_context, cid, "callbacks", "Ending %{public}s::%{public}s::%{public}s", dataProcessorName, handle.spec.name.c_str(), callbackName);
+  }
+  O2_SIGNPOST_END(data_processor_context, dpid, "callbacks", "Ending %{public}s::%{public}s", dataProcessorName, callbackName);
+}
+} // namespace
+
 /// Invoke callbacks to be executed before every dangling check
 void DataProcessorContext::preProcessingCallbacks(ProcessingContext& ctx)
 {
-  for (auto& handle : preProcessingHandlers) {
-    LOGP(debug, "Invoking preDanglingCallback for service {}", handle.spec.name);
-    handle.callback(ctx, handle.service);
-  }
+  invokeAll(preProcessingHandlers, "preProcessingCallbacks", spec, ctx);
 }
 
 void DataProcessorContext::finaliseOutputsCallbacks(ProcessingContext& ctx)
 {
-  for (auto& handle : finaliseOutputsHandles) {
-    LOGP(debug, "Invoking postProcessingCallback for service {}", handle.spec.name);
-    handle.callback(ctx, handle.service);
-  }
+  invokeAll(finaliseOutputsHandles, "finaliseOutputsCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed before every dangling check
 void DataProcessorContext::postProcessingCallbacks(ProcessingContext& ctx)
 {
-  for (auto& handle : postProcessingHandlers) {
-    LOGP(debug, "Invoking postProcessingCallback for service {}", handle.spec.name);
-    handle.callback(ctx, handle.service);
-  }
+  invokeAll(postProcessingHandlers, "postProcessingCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed before every dangling check
-void DataProcessorContext::preDanglingCallbacks(DanglingContext& danglingContext)
+void DataProcessorContext::preDanglingCallbacks(DanglingContext& ctx)
 {
-  for (auto& handle : preDanglingHandles) {
-    LOGP(debug, "Invoking preDanglingCallback for service {}", handle.spec.name);
-    handle.callback(danglingContext, handle.service);
-  }
+  invokeAll(preDanglingHandles, "preDanglingCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed after every dangling check
-void DataProcessorContext::postDanglingCallbacks(DanglingContext& danglingContext)
+void DataProcessorContext::postDanglingCallbacks(DanglingContext& ctx)
 {
-  for (auto& handle : postDanglingHandles) {
-    LOGP(debug, "Invoking postDanglingCallback for service {}", handle.spec.name);
-    handle.callback(danglingContext, handle.service);
-  }
+  invokeAll(postDanglingHandles, "postDanglingCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed before every EOS user callback invokation
-void DataProcessorContext::preEOSCallbacks(EndOfStreamContext& eosContext)
+void DataProcessorContext::preEOSCallbacks(EndOfStreamContext& ctx)
 {
-  for (auto& handle : preEOSHandles) {
-    LOGP(detail, "Invoking preEosCallback for service {}", handle.spec.name);
-    handle.callback(eosContext, handle.service);
-  }
+  invokeAll(preEOSHandles, "preEOSCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed after every EOS user callback invokation
-void DataProcessorContext::postEOSCallbacks(EndOfStreamContext& eosContext)
+void DataProcessorContext::postEOSCallbacks(EndOfStreamContext& ctx)
 {
-  for (auto& handle : postEOSHandles) {
-    LOGP(detail, "Invoking postEoSCallback for service {}", handle.spec.name);
-    handle.callback(eosContext, handle.service);
-  }
+  invokeAll(postEOSHandles, "postEOSCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed after every data Dispatching
-void DataProcessorContext::postDispatchingCallbacks(ProcessingContext& processContext)
+void DataProcessorContext::postDispatchingCallbacks(ProcessingContext& ctx)
 {
-  for (auto& handle : postDispatchingHandles) {
-    LOGP(debug, "Invoking postDispatchingCallback for service {}", handle.spec.name);
-    handle.callback(processContext, handle.service);
-  }
+  invokeAll(postDispatchingHandles, "postDispatchingCallbacks", spec, ctx);
 }
 
 /// Invoke callbacks to be executed after every data Dispatching
-void DataProcessorContext::postForwardingCallbacks(ProcessingContext& processContext)
+void DataProcessorContext::postForwardingCallbacks(ProcessingContext& ctx)
 {
-  for (auto& handle : postForwardingHandles) {
-    LOGP(debug, "Invoking postForwardingCallback for service {}", handle.spec.name);
-    handle.callback(processContext, handle.service);
-  }
+  invokeAll(postForwardingHandles, "postForwardingCallbacks", spec, ctx);
 }
 
 /// Callbacks to be called in fair::mq::Device::PreRun()
 void DataProcessorContext::preStartCallbacks(ServiceRegistryRef ref)
 {
-  for (auto& handle : preStartHandles) {
-    LOGP(detail, "Invoking preStartCallback for service {}", handle.spec.name);
-    handle.callback(ref, handle.service);
-  }
+  invokeAll(preStartHandles, "preStartCallbacks", spec, ref);
 }
 
 void DataProcessorContext::postStopCallbacks(ServiceRegistryRef ref)
 {
-  // FIXME: we need to call the callback only once for the global services
-  /// I guess...
-  for (auto& handle : postStopHandles) {
-    LOGP(detail, "Invoking postStopCallback for service {}", handle.spec.name);
-    handle.callback(ref, handle.service);
-  }
+  invokeAll(postStopHandles, "postStopCallbacks", spec, ref);
 }
 
 /// Invoke callback to be executed on exit, in reverse order.
 void DataProcessorContext::preExitCallbacks(std::vector<ServiceExitHandle> handles, ServiceRegistryRef ref)
 {
+  O2_SIGNPOST_ID_FROM_POINTER(dpid, data_processor_context, &ref);
+  O2_SIGNPOST_START(data_processor_context, dpid, "callbacks", "Starting DataProcessorContext preExitCallbacks");
   // FIXME: we need to call the callback only once for the global services
   /// I guess...
   for (auto handle = handles.rbegin(); handle != handles.rend(); ++handle) {
-    LOGP(detail, "Invoking preExitCallback for service {}", handle->spec.name);
+    O2_SIGNPOST_ID_FROM_POINTER(cid, data_processor_context, handle->service);
+    O2_SIGNPOST_START(data_processor_context, cid, "callbacks", "Starting DataProcessorContext::preExitCallbacks for service %{public}s", handle->spec.name.c_str());
     handle->callback(ref, handle->service);
+    O2_SIGNPOST_END(data_processor_context, cid, "callbacks", "Ending DataProcessorContext::preExitCallbacks for service %{public}s", handle->spec.name.c_str());
   }
+  O2_SIGNPOST_END(data_processor_context, dpid, "callbacks", "Ending DataProcessorContext preExitCallbacks");
 }
 
 /// Invoke callback to be executed on exit, in reverse order.
 void DataProcessorContext::preLoopCallbacks(ServiceRegistryRef ref)
 {
-  // FIXME: we need to call the callback only once for the global services
-  /// I guess...
-  LOGP(debug, "Invoking preLoopCallbacks");
-  for (auto& handle : preLoopHandles) {
-    LOGP(debug, "Invoking preLoopCallback for service {}", handle.spec.name);
-    handle.callback(ref, handle.service);
-  }
+  invokeAll(preLoopHandles, "preLoopCallbacks", spec, ref);
 }
 
 void DataProcessorContext::domainInfoUpdatedCallback(ServiceRegistryRef ref, size_t oldestPossibleTimeslice, ChannelIndex channelIndex)
 {
+  O2_SIGNPOST_ID_FROM_POINTER(dpid, data_processor_context, this);
+  O2_SIGNPOST_START(data_processor_context, dpid, "callbacks", "Starting DataProcessorContext domainInfoUpdatedCallback");
   for (auto& handle : domainInfoHandles) {
-    LOGP(debug, "Invoking domainInfoHandles for service {}", handle.spec.name);
+    O2_SIGNPOST_ID_FROM_POINTER(cid, data_processor_context, handle.service);
+    O2_SIGNPOST_START(data_processor_context, cid, "callbacks", "Starting DataProcessorContext::domainInfoUpdatedCallback for service %{public}s", handle.spec.name.c_str());
     handle.callback(ref, oldestPossibleTimeslice, channelIndex);
+    O2_SIGNPOST_END(data_processor_context, cid, "callbacks", "Ending DataProcessorContext::domainInfoUpdatedCallback for service %{public}s", handle.spec.name.c_str());
   }
+  O2_SIGNPOST_END(data_processor_context, dpid, "callbacks", "Ending DataProcessorContext domainInfoUpdatedCallback");
 }
 
 void DataProcessorContext::preSendingMessagesCallbacks(ServiceRegistryRef ref, fair::mq::Parts& parts, ChannelIndex channelIndex)
 {
+  O2_SIGNPOST_ID_FROM_POINTER(dpid, data_processor_context, this);
+  O2_SIGNPOST_START(data_processor_context, dpid, "callbacks", "Starting DataProcessorContext preSendingMessagesCallbacks");
   for (auto& handle : preSendingMessagesHandles) {
-    LOGP(debug, "Invoking preSending for service {}", handle.spec.name);
+    O2_SIGNPOST_ID_FROM_POINTER(cid, data_processor_context, handle.service);
+    O2_SIGNPOST_START(data_processor_context, cid, "callbacks", "Starting DataProcessorContext::preSendingMessagesCallbacks for service %{public}s", handle.spec.name.c_str());
     handle.callback(ref, parts, channelIndex);
+    O2_SIGNPOST_END(data_processor_context, cid, "callbacks", "Ending DataProcessorContext::preSendingMessagesCallbacks for service %{public}s", handle.spec.name.c_str());
   }
+  O2_SIGNPOST_END(data_processor_context, dpid, "callbacks", "Ending DataProcessorContext preSendingMessagesCallbacks");
 }
 
 } // namespace o2::framework

Framework/Core/src/StreamContext.cxx

@@ -11,6 +11,10 @@
 
 #include "Framework/StreamContext.h"
 
+#include "Framework/Signpost.h"
+
+O2_DECLARE_DYNAMIC_LOG(stream_context);
+
 namespace o2::framework
 {
 
@@ -49,12 +53,17 @@ void StreamContext::finaliseOutputsCallbacks(ProcessingContext& pcx)
 /// Invoke callbacks to be executed after every process method invokation
 void StreamContext::postProcessingCallbacks(ProcessingContext& pcx)
 {
+  O2_SIGNPOST_ID_FROM_POINTER(dpid, stream_context, &pcx);
+  O2_SIGNPOST_START(stream_context, dpid, "callbacks", "Starting StreamContext postProcessingCallbacks");
   for (auto& handle : postProcessingHandles) {
-    LOG(debug) << "Invoking postProcessingCallbacks for " << handle.service;
+    O2_SIGNPOST_ID_FROM_POINTER(cid, stream_context, handle.service);
+    O2_SIGNPOST_START(stream_context, cid, "callbacks", "Starting StreamContext::postProcessingCallbacks for service %{public}s", handle.spec.name.c_str());
     assert(handle.service);
     assert(handle.callback);
     handle.callback(pcx, handle.service);
+    O2_SIGNPOST_END(stream_context, cid, "callbacks", "Ending StreamContext::postProcessingCallbacks for service %{public}s", handle.spec.name.c_str());
   }
+  O2_SIGNPOST_END(stream_context, dpid, "callbacks", "Ending StreamContext postProcessingCallbacks");
 }
 
 /// Invoke callbacks to be executed before every EOS user callback invokation

Framework/Core/src/WSDriverClient.cxx

@@ -24,6 +24,8 @@
 O2_DECLARE_DYNAMIC_LOG(device);
 O2_DECLARE_DYNAMIC_LOG(completion);
 O2_DECLARE_DYNAMIC_LOG(monitoring_service);
+O2_DECLARE_DYNAMIC_LOG(data_processor_context);
+O2_DECLARE_DYNAMIC_LOG(stream_context);
 
 namespace o2::framework
 {
@@ -184,12 +186,21 @@ void on_connect(uv_connect_t* connection, int status)
     } else {
       O2_LOG_DISABLE(completion);
     }
-
     if ((state.logStreams & DeviceState::LogStreams::MONITORING_SERVICE_LOG) != 0) {
       O2_LOG_ENABLE(monitoring_service);
     } else {
       O2_LOG_DISABLE(monitoring_service);
     }
+    if ((state.logStreams & DeviceState::LogStreams::DATA_PROCESSOR_CONTEXT_LOG) != 0) {
+      O2_LOG_ENABLE(data_processor_context);
+    } else {
+      O2_LOG_DISABLE(data_processor_context);
+    }
+    if ((state.logStreams & DeviceState::LogStreams::STREAM_CONTEXT_LOG) != 0) {
+      O2_LOG_ENABLE(stream_context);
+    } else {
+      O2_LOG_DISABLE(stream_context);
+    }
   });
 
   // Client will be filled in the line after. I can probably have a single

Framework/GUISupport/src/FrameworkGUIDeviceInspector.cxx

@@ -405,6 +405,8 @@ void displayDeviceInspector(DeviceSpec const& spec,
     logsChanged = ImGui::CheckboxFlags("Device", &control.logStreams, DeviceState::LogStreams::DEVICE_LOG);
     logsChanged = ImGui::CheckboxFlags("Completion", &control.logStreams, DeviceState::LogStreams::COMPLETION_LOG);
     logsChanged = ImGui::CheckboxFlags("Monitoring", &control.logStreams, DeviceState::LogStreams::MONITORING_SERVICE_LOG);
+    logsChanged = ImGui::CheckboxFlags("DataProcessorContext", &control.logStreams, DeviceState::LogStreams::DATA_PROCESSOR_CONTEXT_LOG);
+    logsChanged = ImGui::CheckboxFlags("StreamContext", &control.logStreams, DeviceState::LogStreams::STREAM_CONTEXT_LOG);
     if (logsChanged && control.controller) {
       std::string cmd = fmt::format("/log-streams {}", control.logStreams);
       control.controller->write(cmd.c_str(), cmd.size());