From: Julian Seward <jseward@acm.org>
Date: Wed, 15 Mar 2006 14:18:16 +0000 (+0000)
Subject: Allow a thread to spin longer when yielding before switching to a
X-Git-Tag: svn/VALGRIND_3_1_1~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad7b3ecd4895f8614079ef2df46e7720610a71df;p=thirdparty%2Fvalgrind.git

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 9bfc6ca58b..a562ed65e1 100644
--- 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: