Name debug stream according to the lane rules

Author: shahor02

Detectors/Align/Workflow/src/BarrelAlignmentSpec.cxx

@@ -107,6 +107,7 @@ class BarrelAlignmentSpec : public Task
   bool mIgnoreCCDBAlignment = false;
   bool mCosmic = false;
   bool mLoadTPCCalib = false;
+  int mLane = 0;
   int mPostProcessing = 0; // special mode of extracting alignment or constraints check
   GTrackID::mask_t mMPsrc{};
   DetID::mask_t mDetMask{};
@@ -132,12 +133,11 @@ void BarrelAlignmentSpec::init(InitContext& ic)
   mTimer.Reset();
   o2::base::GRPGeomHelper::instance().setRequest(mGRPGeomRequest);
 
-  int dbg = ic.options().get<int>("debug-output"), inst = ic.services().get<const o2::framework::DeviceSpec>().inputTimesliceId;
-  mController = std::make_unique<Controller>(mDetMask, mMPsrc, mCosmic, mUseMC, inst);
+  int dbg = ic.options().get<int>("debug-output");
+  mLane = ic.services().get<const o2::framework::DeviceSpec>().inputTimesliceId;
+  mController = std::make_unique<Controller>(mDetMask, mMPsrc, mCosmic, mUseMC, mLane);
   if (dbg) {
-    mDBGOut = std::make_unique<o2::utils::TreeStreamRedirector>(fmt::format("mpDebug_{}.root", inst).c_str(), "recreate");
     mController->setDebugOutputLevel(dbg);
-    mController->setDebugStream(mDBGOut.get());
   }
 
   mConfMacro = ic.options().get<std::string>("config-macro");
@@ -213,7 +213,12 @@ void BarrelAlignmentSpec::init(InitContext& ic)
 void BarrelAlignmentSpec::updateTimeDependentParams(ProcessingContext& pc)
 {
   o2::base::GRPGeomHelper::instance().checkUpdates(pc);
+  auto tinfo = pc.services().get<o2::framework::TimingInfo>();
   if (pc.services().get<o2::framework::TimingInfo>().globalRunNumberChanged) {
+    if (mController->getDebugOutputLevel()) {
+      mDBGOut = std::make_unique<o2::utils::TreeStreamRedirector>(fmt::format("mpDebug_{}_{:08d}_{:010d}.root", mLane, tinfo.runNumber, tinfo.tfCounter).c_str(), "recreate");
+      mController->setDebugStream(mDBGOut.get());
+    }
     if (!mIgnoreCCDBAlignment) {
       for (auto id = DetID::First; id <= DetID::Last; id++) {
         const auto* alg = o2::base::GRPGeomHelper::instance().getAlignment(id);