fvMatrixSolve: print solver messages only if the SolverPerformance debug switch is set

etc/controlDict: Set SolverPerformance debug switch default to 1

etc/controlDict

@@ -266,6 +266,7 @@ DebugSwitches
     SingleKineticRateDevolatilisation 0;
     SingleMixtureFraction   0;
     Smagorinsky         0;
+    SolverPerformance   1;
     SpalartAllmaras     0;
     SpalartAllmarasDDES 0;
     SpalartAllmarasIDDES    0;

src/OpenFOAM/matrices/LduMatrix/LduMatrix/SolverPerformance.C

@@ -65,8 +65,7 @@ bool Foam::SolverPerformance<Type>::checkConvergence
 {
     if (debug >= 2)
     {
-        //Info<< solverName_
-        Pout<< solverName_
+        Info<< solverName_
             << ":  Iteration " << noIterations_
             << " residual = " << finalResidual_
             << endl;

src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C

@@ -200,8 +200,10 @@ Foam::solverPerformance Foam::fvMatrix<Type>::solveSegregated
             solverControls
         )->solve(psiCmpt, sourceCmpt, cmpt);
 
-        //solverPerf.print(Info);
-        solverPerf.print(Info(this->mesh().comm()));
+        if (solverPerformance::debug)
+        {
+            solverPerf.print(Info(this->mesh().comm()));
+        }
 
         solverPerfVec = max(solverPerfVec, solverPerf);
         solverPerfVec.solverName() = solverPerf.solverName();
@@ -265,8 +267,10 @@ Foam::solverPerformance Foam::fvMatrix<Type>::solveCoupled
         coupledMatrixSolver->solve(psi)
     );
 
-    //solverPerf.print(Info);
-    solverPerf.print(Info(this->mesh().comm()));
+    if (SolverPerformance<Type>::debug)
+    {
+        solverPerf.print(Info(this->mesh().comm()));
+    }
 
     psi.correctBoundaryConditions();
 

src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C

@@ -118,7 +118,10 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::fvSolver::solve
         totalSource
     );
 
-    solverPerf.print(Info(fvMat_.mesh().comm()));
+    if (solverPerformance::debug)
+    {
+        solverPerf.print(Info(fvMat_.mesh().comm()));
+    }
 
     fvMat_.diag() = saveDiag;
 
@@ -165,7 +168,10 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::solveSegregated
         solverControls
     )->solve(psi.internalField(), totalSource);
 
-    solverPerf.print(Info(mesh().comm()));
+    if (solverPerformance::debug)
+    {
+        solverPerf.print(Info(mesh().comm()));
+    }
 
     diag() = saveDiag;