update compat
authorcompudj <compudj@04897980-b3bd-0310-b5e0-8ef037075253>
Thu, 9 Nov 2006 17:43:46 +0000 (17:43 +0000)
committercompudj <compudj@04897980-b3bd-0310-b5e0-8ef037075253>
Thu, 9 Nov 2006 17:43:46 +0000 (17:43 +0000)
git-svn-id: http://ltt.polymtl.ca/svn@2248 04897980-b3bd-0310-b5e0-8ef037075253

ltt/branches/poly/doc/developer/lttng-atomic-up.txt
ltt/branches/poly/doc/developer/lttng-lttv-compatibility.html

index bbbc61f6b5d91b1e1f2856a9fe8cf17f92fb53b0..e104cb16e7291c046aeca2ee412011c19c29d493 100644 (file)
@@ -73,4 +73,15 @@ Res : 767.51 cycles per loop
 
 (205.63-255.83)/255.83 * 100% = 19.62 %
 
+
+Difference between
+cmpxchg 2967855/20000 = 148.39 cycles or 49.46 ns
+cmpxchg-up 540577/20000 = 27.02 cycles or 9.00 ns
+irq save/restore 12636562/20000 = 631.82 cycles 210.60 ns
+
+
+
+
+
+
 Mathieu Desnoyers, November 2006
index 7251adece5638fa8e6b3b8f3c2f216c13f1690a1..9b5dd3b0ed8e31b8c63a944a855250029b7dddc2 100644 (file)
@@ -1611,7 +1611,7 @@ obsolete<br>
 </td>
 <td style="vertical-align: top;">
 Syscall facilities update for 2.6.18.<br>
-0.8.29 fixes a typo in asm-generic/atomic-up.j.<br>
+0.8.29 fixes a typo in asm-generic/atomic-up.h.<br>
 <br>
 </td>
 </tr>
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