a little bit more performance
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index cc22fd5..550bd25 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -1051,9 +1051,9 @@
 
       }
 
-      show_stats(afl);
+      //show_stats(afl);
 
-      if (afl->not_on_tty) {
+      if (unlikely(afl->not_on_tty)) {
 
         ACTF("Entering queue cycle %llu.", afl->queue_cycle);
         fflush(stdout);
@@ -1124,7 +1124,7 @@
 
   }
 
-  if (afl->queue_cur) show_stats(afl);
+  //if (afl->queue_cur) show_stats(afl);
 
   /*
    * ATTENTION - the following 10 lines were copied from a PR to Google's afl
@@ -1149,12 +1149,12 @@
   }
 
   write_bitmap(afl);
-  write_stats_file(afl, 0, 0, 0);
   maybe_update_plot_file(afl, 0, 0);
   save_auto(afl);
 
 stop_fuzzing:
 
+  write_stats_file(afl, 0, 0, 0);
   afl->force_ui_update = 1;  // ensure the screen is reprinted
   show_stats(afl);           // print the screen one last time
 
diff --git a/test/checkcommit.sh b/test/checkcommit.sh
index e36a31a..27d08d3 100755
--- a/test/checkcommit.sh
+++ b/test/checkcommit.sh
@@ -8,6 +8,7 @@
   echo "Switches to the defined commit ID, compiles with profiling and runs"
   echo "afl-fuzz on a defind target and input directory, saving timing,"
   echo "fuzzer_stats and profiling output to \"<commit-id>.out\""
+  echo "Honors CFLAGS and LDFLAGS"
   echo
   echo "Defaults:"
   echo "  indir: \"$INDIR\""
@@ -21,8 +22,9 @@
 
 git checkout "$C" || { echo "CHECKOUT FAIL $C" > $C.out ; exit 1 ; }
 export AFL_BENCH_JUST_ONE=1
-export CFLAGS="-O3 -funroll-loops -pg"
-export LDFLAGS=-pg
+test -z "$CFLAGS" && CFLAGS="-O3 -funroll-loops"
+export CFLAGS="$CFLAGS -pg"
+export LDFLAGS="$LDFLAGS -pg"
 make >/dev/null 2>&1 || echo ERROR: BUILD FAILURE 
 test -x ./afl-fuzz || { echo "BUILD FAIL $C" > $C.out ; make clean ; exit 1 ; }