Allow a thread to spin longer when yielding before switching to a

different thread.

git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_3_1_BRANCH@5768

diff --git a/coregrind/m_scheduler/scheduler.c b/coregrind/m_scheduler/scheduler.c
index 9bfc6ca58b16cded46f8008f8b9a425e141bf230..a562ed65e13a48d3189ffec943e881ec003bc8bd 100644 (file)
--- a/coregrind/m_scheduler/scheduler.c
+++ b/coregrind/m_scheduler/scheduler.c
@@ -736,8 +736,8 @@ VgSchedReturnCode VG_(scheduler) ( ThreadId tid )
             before swapping to another.  That means that short term
             spins waiting for hardware to poke memory won't cause a
             thread swap. */
-        if (VG_(dispatch_ctr) > 100) 
-            VG_(dispatch_ctr) = 100;
+        if (VG_(dispatch_ctr) > 2000) 
+            VG_(dispatch_ctr) = 2000;
         break;
 
       case VG_TRC_INNER_COUNTERZERO: