tests/threads/sableContention.patch

   1 --- a/src/threads/lock.cpp      Thu Sep 11 14:52:50 2008 +0200
   2 +++ b/src/threads/lock.cpp      Thu Sep 11 15:13:24 2008 +0200
   3 @@ -717,6 +717,7 @@
   4                 for (;;)
   5                 {
   6                         threadobject *current;
   7 +                       int i = 0;
   8
   9                         // Wait until another thread sees the flc bit and notifies
  10                         // us of unlocking.
  11 @@ -726,8 +727,17 @@
  12                                 break;
  13                         /* Traverse FLC list looking if we're still there */
  14                         current = t_other->flc_list;
  15 -                       while (current && current != t)
  16 +                       while (current && current != t) {
  17 +                               i++;
  18                                 current = current->flc_next;
  19 +                       }
  20 +                       {
  21 +                               static int umax = 0;
  22 +                               if (i>umax) {
  23 +                                       printf("sable len %d\n", i);
  24 +                                       umax = i;
  25 +                               }
  26 +                       }
  27                         if (!current)
  28                                 /* not in list anymore, can stop waiting */
  29                                 break;