Implement memory size option for burnin

This simple patch adds memory size for the burnin instances, which helps
testing allocator algorithm response based on the available node memory
and instance memory size values.

Reviewed-by: ultrotter

diff --git a/tools/burnin b/tools/burnin
index 0878f0b..23a82e6 100755 (executable)
--- a/tools/burnin
+++ b/tools/burnin
@@ -112,6 +112,8 @@ class Burner(object):
                       default=4 * 1024, type="unit", metavar="<size>")
     parser.add_option("--swap-size", dest="swap_size", help="Swap size",
                       default=4 * 1024, type="unit", metavar="<size>")
+    parser.add_option("--mem-size", dest="mem_size", help="Memory size",
+                      default=128, type="unit", metavar="<size>")
     parser.add_option("-v", "--verbose",
                       action="store_true", dest="verbose", default=False,
                       help="print command execution messages to stdout")
@@ -216,7 +218,7 @@ class Burner(object):
         Log("- Add instance %s on nodes %s/%s" % (instance, pnode, snode))
 
       op = opcodes.OpCreateInstance(instance_name=instance,
-                                    mem_size=128,
+                                    mem_size=self.opts.mem_size,
                                     disk_size=self.opts.os_size,
                                     swap_size=self.opts.swap_size,
                                     disk_template=self.opts.disk_template,