varwatch example: make var-changed report lines less verbose

diff --git a/testsuite/systemtap.examples/general/varwatch.stp b/testsuite/systemtap.examples/general/varwatch.stp
index 845ca166f92f070b68b4f37333bcb51eb77c741a..d7a7204a52df6b45931053cc6150805ca1b87ebf 100755 (executable)
--- a/testsuite/systemtap.examples/general/varwatch.stp
+++ b/testsuite/systemtap.examples/general/varwatch.stp
@@ -8,7 +8,8 @@ probe $1 {
      try {
          newvar = $2;
          if (var[t] != newvar) {
-            printf("%s %s changed in thread %d from %s to %s\n", pp(), @2, t, sprint(var[t]), sprint(newvar));
+            printf("%s[%d] %s %s:\n", execname(), t, pp(), @2);
+            println(newvar);
             var[t] = newvar;
          }
      } catch { varerr ++ }  # error during $2 resolution or perhaps var[] assignment