document intent of that test

diff --git a/teshsuite/s4u/cloud-sharing/cloud-sharing.cpp b/teshsuite/s4u/cloud-sharing/cloud-sharing.cpp
index 03294d0..b9c1d9f 100644 (file)
--- a/teshsuite/s4u/cloud-sharing/cloud-sharing.cpp
+++ b/teshsuite/s4u/cloud-sharing/cloud-sharing.cpp
@@ -12,7 +12,7 @@
 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this msg example");
 
 const int FAIL_ON_ERROR = 0;
-const int flop_amount = 100000000;
+const int flop_amount   = 100000000; // 100Mf, so that computing this on a 1Gf core takes exactly 0.1s
 int failed_test = 0;
 
 double energy = 0;