[petsc-dev] Log_summary truncation behavior for long function names

[Patrick Sanan]

If long function names (here some related to ViennaCL) are included in the
log summary output, the behavior seems wrong, in that the name of the
function is truncated, but not to the approriate width (16 characters) .

VecAXPBYCZ            10 1.0 4.1723e-05 1.0 5.00e+02 1.0 0.0e+00 0.0e+00
0.0e+00  0 12  0  0  0   0 12  0  0  0    12
VecMAXPY              11 1.0 4.6968e-05 1.0 1.30e+03 1.0 0.0e+00 0.0e+00
0.0e+00  0 32  0  0  0   0 32  0  0  0    28
VecNormalize          11 1.0 1.6165e-04 1.0 2.89e+02 1.0 0.0e+00 0.0e+00
0.0e+00  0  7  0  0  0   0  7  0  0  0     2
VecViennaCLCopyTo      21 1.0 9.5387e-03 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00 11  0  0  0  0  11  0  0  0  0     0
VecViennaCLCopyFrom      21 1.0 3.7766e-04 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatMult               21 1.0 1.4230e-02 1.0 5.88e+02 1.0 0.0e+00 0.0e+00
0.0e+00 16 14  0  0  0  16 14  0  0  0     0
MatAssemblyBegin       1 1.0 9.5367e-07 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatAssemblyEnd         1 1.0 7.1199e-02 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00 79  0  0  0  0  79  0  0  0  0     0
MatView                1 1.0 1.0228e-04 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00  0  0  0  0  0   0  0  0  0  0     0
MatViennaCLCopyTo       1 1.0 7.1182e-02 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00 79  0  0  0  0  79  0  0  0  0     0
KSPGMRESOrthog        10 1.0 1.5831e-04 1.0 2.14e+03 1.0 0.0e+00 0.0e+00
0.0e+00  0 52  0  0  0   0 52  0  0  0    14
KSPSetUp               2 1.0 1.3590e-04 1.0 0.00e+00 0.0 0.0e+00 0.0e+00
0.0e+00  0  0  0  0  0   0  0  0  0  0     0

I hacked my local copy to just truncate the names when outputting, as
below, but perhaps there is a more elegant way to fix this related to the
names of the Log events themselves (I don't know where in the code the
names are truncated to begin with).


--- a/src/sys/logging/plog.c
+++ b/src/sys/logging/plog.c
@@ -1473,7 +1473,7 @@ PetscErrorCode  PetscLogView_Default(PetscViewer
viewer)
       if (numMessages   != 0.0) avgMessLen     = messLen/numMessages;
else avgMessLen     = 0.0;
       if (messageLength != 0.0) fracLength     = messLen/messageLength;
else fracLength     = 0.0;
       if (numReductions != 0.0) fracReductions = red/numReductions;
else fracReductions = 0.0;
-      ierr = PetscFPrintf(comm, fd, "%2d: %15s: %6.4e %5.1f%%  %6.4e
%5.1f%%  %5.3e %5.1f%%  %5.3e      %5.1f%%  %5.3e %5.1f%% \n",
+      ierr = PetscFPrintf(comm, fd, "%2d: %15.15s: %6.4e %5.1f%%  %6.4e
%5.1f%%  %5.3e %5.1f%%  %5.3e      %5.1f%%  %5.3e %5.1f%% \n",
                           stage, name, stageTime/size, 100.0*fracTime,
flops, 100.0*fracFlops,
                           mess, 100.0*fracMessages, avgMessLen,
100.0*fracLength, red, 100.0*fracReductions);CHKERRQ(ierr);
     }
@@ -1619,7 +1619,7 @@ PetscErrorCode  PetscLogView_Default(PetscViewer
viewer)
         if (maxt          != 0.0) flopr            =
totf/maxt;                  else flopr            = 0.0;
         if (fracStageTime > 1.00)  ierr = PetscFPrintf(comm, fd,"Warning
-- total time of even greater than time of entire stage -- something is wro
         ierr = PetscFPrintf(comm, fd,
-          "%-16s %7d%4.1f %5.4e%4.1f %3.2e%4.1f %2.1e %2.1e
%2.1e%3.0f%3.0f%3.0f%3.0f%3.0f %3.0f%3.0f%3.0f%3.0f%3.0f %5.0f\n",
+          "%-16.16s %7d%4.1f %5.4e%4.1f %3.2e%4.1f %2.1e %2.1e
%2.1e%3.0f%3.0f%3.0f%3.0f%3.0f %3.0f%3.0f%3.0f%3.0f%3.0f %5.0f\n",
                             name, maxCt, ratCt, maxt, ratt, maxf, ratf,
totm, totml, totr,
                             100.0*fracTime, 100.0*fracFlops,
100.0*fracMess, 100.0*fracMessLen, 100.0*fracRed,
                             100.0*fracStageTime, 100.0*fracStageFlops,
100.0*fracStageMess, 100.0*fracStageMessLen, 100.0*fracStageRed,
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