fprintf(sf, "<<ghc: %llu bytes, ", GC_tot_alloc*sizeof(W_));
fprintf(sf, "%d GCs, %ld/%ld avg/max bytes residency (%ld samples), %luM in use, %.2f INIT (%.2f elapsed), %.2f MUT (%.2f elapsed), %.2f GC (%.2f elapsed) :ghc>>\n",
total_collections,
fprintf(sf, "<<ghc: %llu bytes, ", GC_tot_alloc*sizeof(W_));
fprintf(sf, "%d GCs, %ld/%ld avg/max bytes residency (%ld samples), %luM in use, %.2f INIT (%.2f elapsed), %.2f MUT (%.2f elapsed), %.2f GC (%.2f elapsed) :ghc>>\n",
total_collections,